How Much To Install Tankless Electric Water Heater

Homewyse Calculator: Cost to Install Tankless Electric Water Heater

January in the next year, 2022

Itemdetails Qty Low High
Electric Water Heater CostNon-discounted retail pricing for: 5.3 gpm tankless gas water heater at 35F temperature rise. 0.92 energy factor. Digital controller. NOTE: requires 3 x 40A 240V electrical connection at unit. Lifetime limited warranty. 1 heater $719.28 $808.62
Tankless Electric Water Heater Installation Labor, BasicBasic labor to install tankless electric water heaterwith favorable site conditions. Mount and secure new heater. Connect water to existing supply lines. Leak and cycle test. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup. 1 heater $719.28 $808.62
Tankless Electric Water Heater Installation Job SuppliesCost of related materials and supplies typically required to install tankless electric water heaterincluding: connectors, fittings and mounting hardware. 1 heater $719.28 $808.62
Tankless Electric Water Heater Installation Equipment AllowanceJob related costs of specialty equipment used for job quality and efficiency, including: Pipe cutting and threading, tubing cutter, brazing kit and pipe wrenches. Daily rental. Consumables extra. 1 heater $719.28 $808.62
Option: Remove Water HeaterDetach and turn off connections. Drain unit. Remove from premises. Disposal costs/fees not included. 1 heater $719.28 $808.62
Electric Water Heater Debris DisposalCosts to load and haul away old materials, installation waste and associated debris. 1 heater 53.15625 60.46875
Unused Minimum LaborBalance of 2 hr(s) minimum labor charge that can be applied to other tasks.
Totals – Cost To Install Tankless Electric Water Heater
Average Cost per Heater

Custom Calculators with Homewyse Lists

Service Professionals: develop a reusable estimating software that is completely tailored to your company’s needs and procedures. Make use of one of the templates provided or create your own (both are free; account registration is required): The cost to Install a Tankless Electric Water Heater in zip code 47474 for a typical project with one unit ranges from $1,340 – $1,579 per heater. Job size, circumstances, and alternatives will all have an impact on final prices. To get an idea of how much your project will cost, do the following: Set the zip code for the project in step one.


The number of “things” necessary for the project should be entered here.

RecalculateClick on the “Update” button to restart the calculation.

Unit Costs: How Pros Price

Instead of publishing prices from unrelated tasks in the past, Homewyse produces up-to-date estimates based on currentUnit Costs, as opposed to other websites. Due to the use of location, information, and alternatives tailored to the specific requirements of each work, the Unit Costmethod provides great accuracy. Businesses in the construction, commerce, design, and maintenance industries rely on the Unit Costmethod for transparency, accuracy, and equitable profitability.

Learn how much it costs to Install a Tankless Water Heater.

Published on the 10th of January, 2022. Cati O’Keefe, Expert Home BuildingSustainability Contributor, has reviewed this article. HomeAdvisor has contributed to this article.

Tankless Water Heater Cost

Installation of a tankless water heater costs around $2,320, or between $1,196 and $3,447, depending on labor rates. Tankless model costs vary according on the manufacturer, model type, and flow rate. Comparing estimates from local contractors is the most efficient approach to plan a budget for a new tankless water heater. Inquire with your local professional to see whether your tankless system qualifies for a tax refund. If these devices are installed and linked appropriately, they have the potential to save you money in the long term.

They will have the knowledge and skills to accelerate the installation while also ensuring that it is done correctly.

Tankless Water Heater Cost Calculator

Let’s run some numbers to see what the costs are. What part of the world are you in? What part of the world are you in?

National Average $2,320
Typical Range $1,196 – $3,447
Low End – High End $350 – $5,200

The cost information in this report is based on real project costs provided by 2,696 HomeAdvisor users.

Tankless Water Heater Installation Cost

A professional might charge either an hourly rate or a flat price, depending on the services provided to the customer. Installing a tankless water heater will cost you between $45 and $150 per hour on average, depending on how long it takes. Final labor costs range from $100 and $450 on average.

Cost Factors

Labor and the sort of heating equipment you pick are the two most important cost elements to consider.

Consumers will also need to figure out how much material and labor will be required for the appropriate pieces. Typical accessories required include the following:

  • Termination vent kits range in price from $40 to $100
  • Gas connector kits range in price from $20 to $35
  • And a two-piece lead-free brass valve set ranges in price from $60 to 110. Fittings and mounting hardware range from $10 to $30
  • Insulation and pipe are priced at $10 per foot.

Other costs to consider include the removal and disposal of the existing heating system, electrical upgrades, additional insulation, and possible structural changes to make room for the new unit.

Get a Quote for Your Tankless System

The sort of equipment you choose will have a significant impact on the overall cost of your project. Single-point electric units cost around $150 apiece, and a high-end gas model for the entire house may cost more than $1,500.

Tankless Type Average Unit Cost
Natural Gas or Propane $1,000 – $1,500
Electric $500 – $1,500
Solar $1,400 – $6,000

First and foremost, you must determine what sort of unit you will require.

  • Noritz gas tankless unit with a BTU output of 199,000: A typical family with many bathrooms will be able to get by with this amount. It might take up to ten hours to complete the installation. Installation of suitable ventilation to avoid carbon monoxide poisoning, as well as the modification of the size of gas lines and fittings, will be more expensive in terms of labor. Model with an electric motor and a point-of-use interface: This is something that can be fitted under the sink. Installation takes an average of about two hours. It is necessary to have an electric timer, an outlet, and supply lines.

Whole House or Single Point

Tankless systems that are installed at a single point, or at a “point of use,” are those that are installed expressly by and for individual appliances and faucets that require them. They are quite simple to install and range in price from $100 to $300 per unit. They will be more efficient than utilizing a single one for the entire home because the water will only travel a small distance and will thus be wasted less frequently. The fact that they work independently of one another makes these single point systems particularly helpful in homes with several bathrooms and appliances.

Village Plumbing, LLC is based in Henderson, Nevada.

Natural Gas or Propane Water Heaters

Installation of natural gas and propane models often costs between $1,000 and $1,500. While all of these types of gas will feed your system in a similar manner, there are some significant variations in the costs of purchase and operation between the two. propane must be purchased separately from natural gas since it is dependent on a utility supply line to be available. If you reside within a specific distance of a natural gas pipeline, you may be obliged to connect to it to heat your home. This isn’t a problem for the vast majority of homeowners.

Propane, on the other hand, is a more environmentally friendly and energy-efficient fuel that has a larger BTU capacity than natural gas.

They are also available in a variety of outputs ranging from 140,000 BTUs to 380,000 BTUs and in both residential and commercial categories.

Electric Tankless Water Heater Prices

240V 80 Amp hard-wired electrical service is required for electric whole-house tankless water heaters, which means your home must have a minimum of 150 Amp of electrical service to run all of the equipment. Cati O’Keefe is an expert home builder and contributor to the Home BuildingSustainability website. Electric variants are less costly than gas counterparts, with installation costs ranging from $800 to $1,500 on average. Because there is no requirement for venting, the installation work required is less difficult as compared to gas types.

In comparison to a tank-based unit, the tankless electric unit is 20 percent to 30 percent more energy efficient and produces no greenhouse emissions.

These units, on the other hand, consume more energy than gas-powered models, and you may need to engage an electrician to rewire your home in order to use one. In most cases, electricians charge between $50 and $100 per hour.

  • Electric hybrid water heaters are initially more expensive than ordinary electric ones, but they heat water more quickly than conventional electric models. Despite the fact that they are not considered tankless, they have many of the characteristics of a tankless system: They do not require any ventilation and are extremely cost-effective. However, they are only available in versions with a maximum BTU output of 8,700. Electric Models for Point-of-Use: $100 to $300 per unit- These have a number of appealing characteristics, including as their price and ease of installation. Aside from that, they are quite easy to use beneath sinks and in compact spaces, including near washing machines. This is a fantastic alternative for folks who want compact units for campers, boats, and other modest restroom requirements. They are non-corrosive, insulating, visually appealing, and light-weight in design. They contribute to water conservation by easily heating and delivering it swiftly
Find a Pro to Get Your Heater Installed

Solar heaters range in price from $1,700 to $5,000 to install. Prices have been reported to go as high as $13,000. These approaches, on the other hand, produce some of the biggest returns. First and foremost, they are eligible for the 30 percent tax credit. For a $6,000 installation, that equates to $1,800 in return. Second, studies have shown that they may save water heating costs by 50 percent to 80 percent, depending on the model. Tankless heaters can be used in conjunction with solar power systems to maximize energy savings.

Solar water tanks can be used to store hot water collected by solar collectors, which can then be utilized by the tankless water heater in the residence.

Tax Credits

Another aspect that will have an impact on expenses is a discount that is being provided on solar-electric equipment. Solar water heaters are eligible for a 30 percent tax credit on the cost of installation from the federal government. More information on the solar tax credit may be found at Energy Star. Inquire with your installer about tax credits and manufacturer rebates, as well as other financial incentives.

Popular Tankless Heater Brands

Tankless Prices by Brand
A.O. Smith $600 – $4,000
Bradford White $500 – $2,000
EcoSmart $150 – $6,000
Rheem $200 – $2,000
Rinnai $500 – $4,300
Takagi $500 – $7,000

Choosing the Right Tankless Water Heater

“The advantage of using a tankless water heater is that you are avoiding any liability from leaks. We receive calls on a regular basis from customers whose conventional tank heaters have failed. Even the new ones fail since they are only capable of carrying 50, 40, or 100 gallons of water each. That leak might cause substantial harm if you’re on vacation and it happens to you. The advantage of using a tankless system is that you won’t have to worry about it.” Twin Home Experts is owned and operated by Jim Schuelke in Phoenix, Arizona.

So, how can customers choose which one is the best fit for their needs and preferences?

The flow rate is measured by counting the number of gallons that are produced every minute (gpm).

Check out the table below to determine which tankless water heater capacity is most appropriate for you: 1.

Average Water Usage for Common Household Features

  • Washing machine flow rates are 1.5-3.0 gpm
  • Shower flow rates are 1.0-2.0 gpm
  • Bathroom faucet flow rates are 0.5-1.5 gpm
  • Dishwasher flow rates are 1.0-2.5 gpm
  • Kitchen flow rates are 3.0-9.0 gpm.
Compare Quotes For You Tankless Heater Installation
  • Installation that is more time-consuming and expensive
  • Prices are higher
  • Units take up more space
  • They are better for larger places.

Pros of Tankless Units

This is not a project that the ordinary do-it-yourself homeowner should attempt. Many homes will need to be modified in order to suit this system, which may need the installation of new wiring or gas lines, the installation of new plumbing and fittings, and the rebuilding of drywall. This task must be conducted by a qualified professional in some areas, which is required by law. This is due to building rules governing carbon monoxide emissions, heat resistance, ventilation, and state-specific codes, such as seismic straps in California, among other things.

See also:  How To Light Pilot Light On Camper Water Heater

Additionally, they may make certain that you have the proper equipment for your property.

Using a professional ensures that the job is completed quickly and accurately, preventing your house from becoming flooded while you wait for a plumbing permit. Get the Job Done Right the First Time. Locate a Professional in Your Area


The payback time for these products is rather lengthy. Despite the fact that they are expected to endure for 20 years, it will take around 20 years for your energy savings to match your initial outlay. So the value of these models is determined by their use to you and their potential utility in attracting future home purchasers to your neighborhood. By selecting the most appropriate model for your consumption requirements, you may increase the return on your investment.

Are tankless hot water heaters better?

The advantages of these models over conventional models are numerous. They save water by heating as they go, and they can help you save money on your energy bills. As a result, they are more durable and require less maintenance than conventional tanks since they do not store water, which may erode tank material and create leaks.

Do tankless hot water heaters work without electricity?

In the event of a power failure, these units will not function. Even gas versions require power to operate their spark igniter, which is a common problem with gas models.

What temperature should you set a tankless water heater?

The Consumer Product Safety Commission recommended that products be stored at 120 degrees Fahrenheit for the greatest amount of safety and efficiency. Do not set your unit to a temperature higher than 140 degrees Fahrenheit under any circumstance.

What is the best rated tankless water heater?

Rheem and EcoSmart are two brands that have received great ratings. In spite of this, the business is always changing and each home and family will have its own set of requirements. It’s advisable to speak with a professional to determine which option is best for you.

How much water does a 20-minute shower use?

A typical shower consumes 2.5 to 3.0 gallons per minute, resulting in a 20-minute shower consuming 50 to 60 gallons of water. In most cases, these water heaters are capable of producing 4 to 8 gallons of hot water per minute.

Tankless Water Heater Cost Guide 2021 – Installation, Replacement and Operating Cost

The price of a tankless water heater is composed of three components:

  • The price of a tankless water heater
  • The cost of installing a tankless water heater
  • And the operating costs.

Here’s a high-level summary. Following the overview, you’ll find detailed information on each cost kind. Tankless Water Heater Price Information Electric tankless water heaters are available for as little as $125. The price of a whole-house electric tankless water heater starts at around $1,000. Gas tankless water heaters start at around $125, while high-quality, long-lasting gas tankless versions start at approximately $500 and can cost more than $2,000. Installing a tankless water heater can cost you money.

It costs between $600 to $1,500 to install a natural gas water heater.

Operating Expenses / Energy Expenses This cost represents the cost of electricity used to power the water heater.

Gas water heaters have an annual operating cost ranging from $200 to $600, depending on their size and energy efficiency.

Tankless Water Heater Costs

The costs of gas and electric tankless water heaters are shown in this table by size.

Gas Heater Size / BTUs Gas Heater Cost Range
120K – 140K BTUs $500 – $1,200
160K BTUs $750 – $1,600
180K BTUs $900 – $1,900
190K – 199K BTUs $1,000 – $2,200
Electric Heater Size / kWs Electric Heater Size / kWs
Less than 6kW $100 – $225
6-8kW $175 – $250
10-12kW $215 – $390
15-18kW $365 – $550
21-24kW $400 – $635
27-30kW $425 – $715
32-36kW $435 – $800

The expenses of installation are described further below. Factors affecting costs include: Tankless Water Heaters are a type of water heater that does not require a tank to be filled with water. The cost of a tankless water heater, whether gas or electric, is determined by a variety of factors, some of which are evident and others which are less so. Gallons per minute (GPM) flow rate is defined as follows: When all other things are equal, the higher the cost of the unit will be the greater the amount of hot water it can provide.

When it comes to electric versions, GPM is expressed as a factor of kilowatts.

  • Electric point of use (POU) models range in size from around 0.6 GPM to approximately 2.0 GPM
  • Electric whole home versions range in size from approximately 3.0 GPM to more than 5.0 GPM. The flow rate of gas tankless water heaters ranges from around 5.5 GPM to more than 10 GMP.

Observations on the maximum flow rate and entering water temperature: As this chart illustrates, the coldest ground water temperatures vary dramatically depending on climate. It is only when the incoming water is suitably warm that a tankless water heater may attain its maximum flow rate of 1 gallon per minute (GPM). As the temperature of the entering water rises, so does the amount of heat that is required, resulting in a decrease in the GPM output rate. For example, a water heater capable of delivering 5.0 GPM in Florida may only be capable of delivering 2.5 GPM during the winter in Michigan.

  1. Another point to consider while setting the thermostat: The higher the temperature is set, the lower the flow rate will be.
  2. 2: Units of varying quality: The quality of the units varies greatly.
  3. When comparing models, make sure to look at the warranty details.
  4. Gas tankless water heater efficiency begins at around 82 percent, or.82 UEF, when using natural gas as fuel (uniform energy factor).
  5. Using a secondary heat exchanger to increase efficiency results in a cost increase due to the additional equipment required.
  6. outside (only for gas): Indoor units are more expensive than outdoor units because they must be fitted with connections to connect to a ventilation system.
  7. This has an impact on the cost of installation as well (details below).
  8. These pumps boost the unit cost by $300 to $500 and also increase the cost of installation.

Take a look at our article. Is Investing in a Recirculating Pump a Good Investment? 6th and last feature: WiFi capabilities, wireless remotes, and wall thermostats are examples of additional features that drive up the price of gas and electric versions, respectively.

Tankless Water Heater Installation Cost

The expenses of installation for each kind of water heater are included in this table. Cost considerations are explored in further detail below the table.

TypeInstallation Installation Cost Range
Electric 110V $150 – $300
Electric 110V plus outlet $250 – $500
Electric 220V $300 – $600
Electric 220 plus outlet $500 – $750
Gas indoor $600 – $1,000
Gas indoor plus vent $900 – $1,500

Installation Cost Factors

The cost of installing a tankless water heater ranges from $150 to $1,500 dollars. The factors are as follows. The following questions must be answered: 1: Whether an outlet must be placed and wired (electric only): Installing an electric tankless unit is simple as long as there is a 110-120V outlet accessible to connect the unit into for power. When an outlet must be built, the cost increases. 2: 110V versus 220V (Electricity): The same situation arises for 220-240V units as for 110V ones. Adding an outlet and wiring it back to the electrical box, maybe with the inclusion of one or more circuit breakers, increases the cost of the project.

  1. 4: Indoor vs.
  2. Installing in a crawlspace, attic, or other difficult-to-access and work-in area will raise the cost of installation.
  3. It may also have an influence on the amount of installers in your region.
  4. Seventh: Recirculation pump (gas): Installing and wiring a recirculating pump involves time and resources.
  5. There are a variety of recirculation systems available.
  6. We’ve created aGuide to Tankless Recirculating Pumpswhere you can learn about the benefits, drawbacks, and pricing of tankless recirculating pumps.

Tankless Water Heater Operating CostsFactors

As previously stated, the following are the expenses of energy:

  • Electric tankless water heaters may cost anywhere from $75 to more than $300 per year, while gas tankless water heaters can cost anywhere from $175 to $500 per year.

The following are the cost considerations: 1: Demand for hot water: The amount of hot water consumed by your home is the most significant element affecting operational costs. Simply said, smaller homes tend to consume less hot water than bigger households. Temperature rise: This is the second most significant thing to consider. It is estimated that the water heater will consume more energy the greater the amount of heat it raises the temperature of incoming water. As previously stated, the temperature of the groundwater (incoming water) and the temperature setting of the thermostat control the rate of temperature rise.

  1. Heating water using natural gas is often more cost effective than heating water with electricity generated by the combustion of natural gas or coal in a power plant in most locations.
  2. Prices vary depending on where you live.
  3. Capacity of an electric water heater: The bigger the kW rating of an electric unit, the more energy it will consume.
  4. Energy expenses rise as the size of the building increases.
  5. Recirculation: By using a recirculating pump to retain hot water near to the exit, you may enhance the amount of hot water that is used.
  6. The projected annual running costs for the unit are shown by the yellow label.
  7. Consider a gas-powered model, but be certain you’re looking at the correct label, since there should be a label for natural gas (NG) and another for liquid propane (LP) (LP).

Consider theNoritzNR662, a 140,000 BTU water heater by Noritz & Schröder. The annual cost of the Energy Guide for natural gas is $160. The guideline price for propane is $365, which is 228 percent more than the cost of natural gas.

Tankless Water Heater Cost: Gas & Electric Prices 2022

This page may contain affiliate links, so please keep that in mind. If you purchase a product or service after clicking on one of these links, we will get a commission at no additional cost to you. See our product review method in further detail, or read our FTC affiliate disclosure for more information. Tankless water heaters are more expensive up front than traditional storage water heaters, resulting in a larger price tag and more expensive installation costs. However, operational costs are significantly lower as a result of virtually nil standby losses, which will result in significant savings in the long term.

So, are tankless water heaters a good investment in the long run?

Discover all you need to know in our comprehensive guide below!

  • In a nutshell, the following are the cost reasons for tankless water heaters: The cost of a tankless water heater
  • Tankless water heater installation costs on average
  • Costs of operation and maintenance on a yearly basis
  • Whether tankless water heaters are a good investment or not. The best place to purchase a tankless hot water heater

In a Nutshell

Please remember that the majority of the data on this page are estimates! Installing a new tankless water heater with installation can cost anywhere from $250 to more than $5,000 USD, depending on the extent of the job and who you ask. Because this is obviously not very useful, let us break it down a bit more specifically:


It costs roughly $2,000 USD to install a big tankless gas water heater that is very efficient and has several extra features. The smallest point-of-use device costs about $100 USD, while the largest entire home system costs about $2,000 USD. The cost of an electric tankless water heater ranges from $100 USD for a point-of-use model to around $900 USD for a whole-house one, depending on the model. Tankless water heater installation costs around $1,900 – $2,000 USD on average (but the cost to install an electric heater can be as low as $150 USD).

Continue reading for a more in-depth look at the costs associated with this project.

Tankless Water Heater Cost Factors

What is the cost of a tankless water heater? Answering this question is not as simple as it may appear at first glance. Due to the fact that there are a range of tankless water heater cost considerations to take into account, this is the case. They are as follows:

  • Type of system (fuel type, point of entrance or point of usage, and so forth)
  • Size of the unit (the number of gallons of hot water that may be delivered per minute)
  • The Energy Factor (EF) is a measure of energy efficiency. Features that are unique
  • The length and breadth of the warranty on replacement components
  • Brand
See also:  What Size Generator To Run Hot Water Heater

Whole House vs. Single Point

Obviously, the distinction between a whole-house system and a single point of use (POU) system is significant. A tankless water heater that provides hot water for the entire house must be significantly larger than a one that merely provides hot water for a single faucet or shower. In comparison, POE electric tankless water heaters have between 10 and 35 kW of power, whilst a POU unit may have no more than 3 kW of power.

Gas Fired vs. Electric Heaters

Tankless gas units are often more expensive than their electric counterparts, according to industry standards.

Natural Gas vs. Propane

When it comes to the initial purchase price of a water heating system, the choice between natural gas and propane makes little difference.

Naturally occurring gas is less costly than other energy sources. propane is more energy efficient than natural gas at the same time.

Oil and Solar Water Heaters

We wanted to include tankless water heaters that are powered by oil and solar energy for the sake of completeness. They are both extremely rare and in the same price range as gas-fueled water heaters, which is a good thing.

Tankless Water Heater Prices

  • Small point-of-use systems start at a little more than $100 USD and go up from there. When equipped with 35,000 BTU (BTU is an abbreviation for “British Thermal Unit” and is used to measure a system’s heating power), they can deliver 1.5 to 2 gallons of water per minute
  • The largest residential whole house tankless gas water heaters can deliver up to 199,000 BTU and deliver up to 10 or 11 gallons per minute. Cost: Approximately $2,000 USD
  • Most tankless gas devices cost between $500 and $1,200 USD and have maximum flow rates ranging from 6 to approximately 11 gallons per minute. From 70,000 to 199,000 BTU, there are several options.

Rinnai is the manufacturer of our number one whole house gas tankless water heater.

  • Extremely high quality
  • Unlimited hot water for homes with up to 212 bathrooms (maximum flow rate of 6.5 gpm)
  • There are options for both natural gas and propane
  • Full remote control is available using a mobile application.

Marey GA10LP Power is intended for point of use.

  • Excellent price-performance ratio
  • Flow rates of up to 3.1 gpm are ideal for point-of-use applications. Installing it almost anywhere is simple because it is small and takes up little space. Allows you to customize the flow of gas and water to meet your specific requirements. Warranty of five years

Electric Tankless Water Heater Prices

  • Approximately $100 USD is the cost of the smallest POU electric tankless water heater. Their highest rated water flow is 3 kW, and their maximum power output is 3 kW. 5 to 1 gallon per minute is the flow rate. In this price range, some electric tankless water heaters are intended for 120 V power sources, although most require a 240 V power supply
  • The most powerful and most costly home electric tankless water heaters cost between $800 and $900 USD. With a maximum flow rate of 6 gpm and a power output of 36 kW, they can provide enough water for whole households
  • Most electric tankless systems are priced between $200 and $600 USD. Flow rates range from 2 to 6 gpm at their maximum. Power output ranges from 11 to 36 kW.

Stiebel Eltron is the manufacturer of one whole-house electric system.

  • Excellent performance
  • Large enough to feed two showers
  • Many different sizes available
  • Simple temperature control
  • Water heater is quite quiet
  • Many different sizes available Maximal energy efficiency is achieved by self-modulation (EF = 0.99).

Rheem RTEX-13 is intended for point of use.

  • A single bathroom or weekend cabin would be ideal for this unit, which is self-modulating to save energy. It is simple to adjust the output temperature by using the dial control. Design that saves on floor space
  • Warranty of five years

Want to go electric but haven’t settled on a specific model yet? We can help. Here’s where you can find the greatest electric tankless water heater! Alternatively, you can refer to this link for our size reference.

Commercial Tankless Water Heater Prices

Whether you need 240,000 BTU or 380,000 BTU or more, the cost of a business tankless water heater can go into the thousands of dollars, depending on your unique needs. As a result, it makes little sense to discuss projections at this time. We propose that you get in touch with a handful of vendors in your region and work your way up from that point.

Price Comparison by Brand

BrandModel Price Range
Ecosmart $140-500 USD
Rinnai natural gas fired tankless heaters $700-2,100 USD
Rinnai propane gas fired tankless heaters $700-1,900 USD
Rheem electric $170-500 USD
Rheem gas fired tankless heaters $500-2,000 USD
Bosch ProTL 175N $1,200 USD
Bosch Tronic 3000 T $150 USD
Stiebel Eltron Tempra Plus $500-850 USD
Camplux CA528 $450 USD
Noritz NRC66DVNG $800-900 USD
Rinkmo 18KW 240V $350 USD

Average Tankless Water Heater Installation Cost

Electric water heaters are less difficult to install than gas water heaters. This is due to the fact that the latter requires release. In the event that you need to rewire your home or improve the electrical system in order to satisfy the amperage needs of your new electric water heater, this may be a different situation. In addition, it matters if you are only replacing an old heater, which means that most or even all of the plumbing connections and other components are already in place; if you plan to switch fuel sources; whether or not you need to make any modifications in order to meet plumbing or electrical codes; and whether or not you want to upgrade from a tank-based to an on-demand heater.

Aside from the fundamentals of labor, there are a number of other considerations:

  • The costs associated with equipment, components, and accessories (mounting hardware, pipes, valves, fittings, etc.)
  • And Cost of a permit – In most areas, permits are necessary for the installation of a new water heater. For further information, contact the municipality or city where you live. Warranty on labor for a specified period of time and within a specified scope

Example 1: Gas Tankless Water Heater Costs

(Tip for mobile users: Swipe to scroll.)

Scenario Labor Material Total Cost
Full installation (mounting, hot and cold water connections, gas line, venting) About 8 (10) hours Copper/flex piping, gas piping and kit, vent piping and kit, valves, fittings, mounting hardware, … $1,000 – $1,700 USD
Replacement of old tankless unit, already existing gas line + venting can be used 3 – 4 hours Gas kit, vent kit, valves, fittings, mounting hardware, … $200 – $700 USD
Other Cost Factors Pricing
Upgrade to larger gas pipe diameter ~$500 USD
New venting system $150 – $600 USD
Removal and disposal of old water heater $100 – $300 USD

Example 2: Electric Tankless Water Heater Costs

(Swipe to scroll on a mobile device.)

Scenario Labor Material Total Cost
Full system installation (cold and hot water connections, electrical connection) 2 – 5 hours Copper/flex piping, valves, fittings, mounting hardware, … $150 – $750 USD
Replacement of old water heater, already existing water lines can be used 1 – 3 hours Valves, fittings, mounting hardware, … $150 – $250 USD
Other Cost Factors Pricing
Outlet must be installed and wired back to electrical panel $100 – $200 USD
Home rewiring $,$$$

Cost to Remove or Replace a Tankless Water Heater

When it comes to tankless water heaters, removing or replacing an existing unit should not be prohibitively expensive in most situations. That being said, just like with standard system installation, the cost of replacing a tankless hot water heater is highly dependent on the specifics of the situation.

Hiring a Pro

Although it is hard to cover every conceivable case here, calling three or four firms in your region and asking for pricing estimates is generally the best course of action to take. Pro tip: Look for contractors who are licensed and insured, who have been in business for a number of years, and who provide a warranty on their work and materials. A service provider with an A+ rating on the Better Business Bureau website and other directories is also a solid sign of their reliability.

Yearly OperatingMaintenance Costs

Obviously, depending on the sort of tankless water heater you have, gas or electricity will be the primary source of your operational costs. In addition, the more hot water you use, the higher your utility expenses will be in the future. Which is more cost-effective: natural gas or electric power? As a general rule of thumb, a gas water heater will be around one-third less expensive to operate than an electric model, however this may vary depending on your local electricity costs. Another important consideration is temperature increase, which is dictated by the temperature of the input water as well as the temperature settings at the output.

There isn’t much you can do about the temperature of the inflow water other than relocate to a warmer region. It is possible, however, to change the thermostat on your water heater to the lowest output temperature that you are comfortable with.

PropaneNatural Gas Prizes

The cost of operating a gas tankless water heater ranges from less than $200 USD per year to more than $500 USD per year depending on the model. Only a tiny role is played by the efficiency of the system. Natural gas is the least priced choice because it is powered by a utility supply line. In contrast, propane is a more efficient fuel with a significantly greater BTU, but it must be purchased separately from the rest of the fuel. Prices for natural gas and propane vary depending on where you live.


Electric tankless water heaters have an annual operating cost that can range from less than $100 USD to more than $300 USD and even more. It is possible to overlook the effectiveness of a system.

Tankless Water Heater Maintenance Cost

When it comes to maintaining a tankless unit, all that is required is periodic descaling (also known as deliming) and flushing of the heating components to keep it operating at optimal performance. This is normally required once every 12 months, depending on the hardness of your water and how much water you consume. As a point of reference, if you have a water softener placed upstream of your instant hot water heater, you won’t have to bother about descaling. Furthermore, the methods needed are not extremely hard, so you may complete this task on your own to save a few dollars.

It takes 1 to 2 hours for a plumber to do routine maintenance.

Are Tankless Water Heaters Worth the Investment?

As previously stated in the introduction, a tankless water heater is a more expensive upfront expenditure when compared to a typical water heater. However, it reduces recurring expenses by a significant margin since it has virtually no standby losses – in contrast to storage tank systems, which heat water around the clock. According to the United States Department of Energy, on-demand water heaters can be up to 30 percent more energy efficient than traditional water heaters, depending on how much hot water you consume on a daily basis.

Are they worth the money?

Average Cost Savings

“Water heating is the second most energy-intensive end-use in the home (.).” It accounts for 16.8 percent of home energy usage and can cost a household anywhere from $200 to $600 per year,” according to the Energy Information Administration. (Image courtesy of the Internet Archive) When moving from a gas tank-based to a gas tankless water heater, a typical family of four consuming 64 gallons of hot water per day may save around $115 USD each year. In the case of high hot water consumption (about 85 gallons per day), energy savings of 8 – 14 percent are achievable.

With electric heaters, the average cost reductions are a little smaller, but the upfront expenditures are also a little less. Overall, tankless water heaters have a relatively lengthy payback period of around 20 years, which is approximately the same amount of time that the average system lasts.

Tankless Water Heaters – Pros and Cons

What are the advantages and disadvantages of putting up a tankless water heater in your home?

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The following are some of the advantages of tankless water heaters:

  1. When compared to standard water heaters, they are more energy efficient than those. This is due to the fact that they do not hold any hot water, therefore eliminating standby losses. The heating takes place instantly, allowing you to save up to 30% on energy costs. Heating water on demand also ensures that you will never run out of hot water. Tankless water heaters provide an infinite supply of hot water since they are tiny and therefore easier to install in confined spaces. Having a new water heater will also free up room in your basement or wherever you decide to install it. They are simple to prepare for the next winter season. As previously said, a tankless water heater may last up to 20 years, but a standard water heater with a tank can only last 15 years.


The following are some of the disadvantages of tankless water heaters:

  1. Both the purchase and the installation are more expensive in the beginning. As a result, the payback period is lengthy
  2. Tankless water heaters are susceptible to sluggish flow
  3. Electric tankless systems are restricted in terms of the amount of hot water they can produce at any given moment. However, even the largest units designed for residential usage are unable to heat more than 6 gallons per minute under optimum conditions.

Where to Buy a Tankless Hot Water Heater

Where is the most convenient location to purchase a new tankless water heater? Of course, we always prefer to shop online, for example at Amazon or Home Depot, in order to get the greatest deal possible. However, most manufacturers also sell their hot water heaters through local dealers and/or licensed contractors, which is a common practice in the industry. Home improvement stores and big-box retailers are another feasible choice. If you have any queries concerning the price of a tankless water heater, please don’t hesitate to ask them in the comments section below!

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Tankless Water Heater Cost: Installation & Unit Prices

The price of a tankless water heater ranges from $250 to $6,500 dollars. Get quotations from as many as three professionals! Enter your zip code below to get matched with top-rated professionals in your area. In the event that you’ve ever had to take a chilly shower throughout a frigid winter, you’ll understand how terrible it might be to go into the shower. Many households have switched to tankless water heaters in order to avoid this unpleasant experience. Although tankless water heaters are expensive up front, with a national average cost of $2,200, the energy savings and convenience they provide may make them a worthwhile investment in the long run.

How Much Does It Cost to Install a Tankless Water Heater by Size?

The entire cost of your new tankless water heater is influenced by the size of your tankless water heater. To give you a ballpark estimate, plan to spend roughly $150 on a low-performance electric tankless water heater with a single point of failure. Single-use water heaters, such as those used for sinks or appliances, will only supply hot water for that specific purpose. Meanwhile, for whole-house systems that heat all of the water in your whole home, you can expect to pay around $1,500 for a gas-fired tankless water heating system.

How Much Does It Cost to Install a Tankless Water Heater Near You?

Installation of a tankless water heater might be quite expensive depending on where you reside in the United States. The following table shows the average cost for ten popular cities in the United States:

  • Among the most expensive cities to live in are Austin ($2,360), Boston ($2700), Chicago ($2,100), Denver ($2,600), Miami ($1,040), Nashville ($2,400), New York ($2,200), San Francisco ($2,600), Salt Lake City ($3,600), and Seattle ($2,180).

Other elements that may influence your overall expenditures include whether you reside in a rural or urban region, as well as the natural rise and decrease of average going rates over a certain time period.

What Tankless Water Heater Can I Get on My Budget?

Not all tankless heaters are suitable for every household’s financial situation. Here is a list of what you can receive for your money:


With this price, you may buy a single-point tankless system, also known as point-of-use heaters, which heats just the water that is being used. This system is designed to function in tiny places, and it is frequently used to provide hot water for specific appliances or sinks. They are typically priced between $100 to $300, and they are simple to install.


If you want to invest in a system for the entire house but still want to save money, electric ones are your best bet. They are also the least expensive. You may have an effective, whole-house system that is vent-free, high-performance, and energy-efficient for a price ranging between $800 and $1,500.


Both natural gas and propane water heaters are priced between $1,000 and $1,500, but you must also consider the expense of operating these heaters on a year-round basis. Natural gas costs around $200 per year, whereas propane costs approximately $350 per year.


Solar panel water heater installation is the most expensive form of tankless water heater, with costs ranging from $1,700 to $5,000 for a typical installation. The good news is that, according to Energy Star, the Consolidated Appropriations Act of 2021 will provide you with a 30 percent tax credit for owning a renewable energy system. Even with this credit in mind, it’s a good idea to set aside some money for the up-front expenditures before making a purchase.


While the majority of tankless water heaters cost less than $6,500, there are some circumstances where the installation procedure necessitates additional time and effort. Price increases might be significant if your property requires a basement renovation or other substantial rebuilding in order to accommodate the heater. Especially if you’re intending on installing a high-quality solar heater, you’ll want to account for any unexpected charges, since additional installation fees can push your budget into the $6,000 to $13,000 area.

How Much Does It Cost to Install a Tankless System Yourself?

While it is possible to install a tankless water heater yourself, you must have prior knowledge in order to save money and do so in a safe and efficient manner. It is strongly recommended that you should not attempt to accomplish this job on your own. This might result in significant harm or property damage to you or your loved ones. An inexperienced handyperson may cause an explosion or discharge carbon monoxide into the air if a tankless water heater is installed or repaired. Not to mention that if a system is not installed by a professional, many warranties will be worthless, and your house will be at a higher risk of not being up to code if you ever decide to sell your property.

How Much Does It Cost to Install a Tankless Water Heater by Type?

Are you curious about how much money you can save (or spend!) by switching to a tankless water heater?

One of the most accurate ways to estimate your costs is to consider the type of heater you pick. There are four different types of tankless heaters to take into consideration:

1. Electric Tankless Water Heaters

Installing an electric model is the most economical alternative, with costs typically ranging between $800 and $1,500. Keep in mind that, unlike other more expensive solutions, you will not be required to spend additional funds on ventilation systems or upkeep.

2. Natural Gas Tankless Water Heaters

The flow rate of natural gas heaters is higher than that of electric heaters. Additionally, these tankless water heaters are a little more expensive, with installation costs ranging between $1,000 and $1,500, as well as an extra cost of roughly $200 per year to operate the gas itself.

3. Propane Tankless Water Heaters

Although propane water heaters are the same price as natural gas water heaters for installation ($1,000 to $1,500), the cost of the fuel itself may add up, with propane costing approximately$350 per year to operate.

4. Solar Tankless Water Heaters

Solar heaters are the most expensive choice, with prices ranging from $1,800 to $6,000, though some may cost more than $13,000. Keep in mind that solar water heaters provide a larger return because they qualify for a 30% tax credit as well as a 50 percent to 80 percent reduction in your water heating bills due to the 30 percent tax credit.

What Factors Influence the Cost of a Tankless Water Heater?

Adobe Stock / Wavebreak3 / Wavebreak3 The cost of a typical tankless water heater is influenced by a variety of factors, including:

  • Kind: The type of tankless water heater you choose has an impact on the cost, with electric being the most economical option, followed by gas and finally solar, in that order. These expenses range from $800 to $6,000, depending on the situation. The cost of a single point or whole-house point system can range from as low as $100 to as much as $6,000, depending on the size of the system you pick. Number of heaters: If you are purchasing a single-point tankless water heater, you may find yourself having to purchase numerous heaters to fit different rooms. These heaters are typically priced between $100 to $300 per unit. Quality: You get what you pay for
  • If you want to use the heater on a regular basis, it is worthwhile to invest a little extra money on a higher-quality model. Expect to pay $1,000–$3,000 more for a high-quality tankless water heater than you would for a lower-quality tankless water heater. On-site issues: If you have a bathroom that is too tiny for a plumber and a helper to work side by side, your installation expenses may increase. Expertise of the installer: An experienced HVAC expert or plumber and his or her assistant will do the task fast, but they will charge more than a handyman service.

Labor Costs

Tankless water heaters are installed by plumbers and HVAC specialists in your neighborhood. The cost of labor will range from $40 to $175 per hour for your project. Local supply and demand, as well as any discounts or offers offered by a contractor or plumber, all have an impact on how much you will pay for services. Removal and installation of a typical tankless water heater, with no hidden issues, takes around three hours. As a result, total labor rates to remove an old water heater and install a new tankless system might range from $120 to $525.

Hidden Costs to Consider

When calculating the price of a tankless water heater, remember to include any hidden costs associated with the equipment, installation, and use. Example: If you require accessories to connect the tankless water heater to your plumbing system, the cost of the equipment may increase. If your home’s water pressure is inadequate, one regular and unexpected expense is the cost of adapting it. If your house pressure is low, a plumber may be required to repair a pressure regulator, clean clogged pipes, or install a bigger pressure tank (if you are on a well) in order to restore proper pressure.

This also helps to avoid disappointment if you anticipate that the tankless heater would save you a significant amount of money on fuel expenditures, which it will not.

FAQs About the Cost of a Tankless Water Heater

To figure out how much your tankless water heater will cost, take into consideration the cost of the heater itself as well as the price of installation using an installation calculator.

What should I consider when installing a tankless water heater?

After much deliberation, you’ve decided on a tankless water heater that meets your needs. Consider the amount of labor that will be required to remove an old, conventional water heater and replace it with a new tankless water heater before investing in the installation procedure.

What other projects should I do at the same time?

It is possible that you may wish to rebuild your bathroom or replace your showerhead at the same time as installing a new tankless water heater in order to take advantage of your new tankless water heater.

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