Larger Upfront Investment The average cost to install a tankless water heater costs between $2,000 and $3,000. This is a stark contrast to the $800 to $1,500 average cost to install a traditional unit. The installation requirements for an on-demand water heating system are different than those of storage water heaters.

Is it worth it to upgrade to tankless water heater?

A tankless water heater could help keep your energy bill low in a vacation home. You could also save money if you travel often, or just don’t consume a lot of hot water. If you use less than 40 gallons of water per day, installing a tankless heater can be 24%- 34% more energy efficient.

How much does it cost to upgrade to tankless?





Prices range from about $170 for small gas-fired units to more than $2,000 for high-output heaters that can supply two showers at the same time; $1,000 is about average. Tankless electric heaters run between $90 and $900. First-time installation costs run more than a simple tank replacement.

What is the downside of a tankless water heater?

The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters. Including installation, tankless water heaters cost 3 times more than tank-style water heaters on average.

What are the disadvantages of a tankless water heater?

The primary disadvantage of on demand or instant hot water heaters is the upfront cost. The smaller units that you often see won’t produce enough hot water to serve most households. They’ll only serve one faucet at a time—a problem if you want to shower while the dishwasher is running.

Can I replace my tank water heater with a tankless?

Yes. The initial cost of converting your tank water heater to a tankless is expensive. Tankless water heaters are 3x more expensive than your average tank water heater. However, the energy savings and supply of endless hot water can outweigh the cost for many.

How much does it cost to replace a tank water heater with a tankless?





Converting or replacing a tank water heater with a tankless system costs $800 to $3,500 on average. Tankless prices depend on the brand, fuel source, and flow rate. Tankless systems last 10 to 20 years (5 to 10 years longer than storage tank units). Tankless units have a 5 to 15-year warranty.

Can I add a tankless water heater to existing system?

Typically they need to be installed right after the tank-based water heater, on the hot water feed line. Sometimes it can be mounted on the wall nearby instead. A professional can install the heater for you and ensure that it will work properly in conjunction with your existing water heater system.

Are tankless water heaters worth it 2021?

Energy Efficient
The U.S. Department of Energy reports a tankless water heater is 24% to 34% more energy-efficient than storage tank water heaters—as long as you use around 41 gallons per day. However, even if you double that amount, they are still 8% to 14% more efficient.

How big of a tankless water heater do I need for a family of 5?

In short, a family of 5 would need a 10 GPM gas tankless heater or 27 kW electric tankless heater if you live in the northern part of the USA, where the input water has a lower temperature. The tankless heater has to work extra hard to bring the water temperature up to 110˚F or 120˚F.

Why is tankless water heater installation so expensive?



Tankless water heaters have a higher initial price compared to tank heaters, costing homeowners between $1,200–$3,500. The higher cost is a result of a more labor-intensive set-up, as new gas and water lines are required for installation. For electrical tankless heaters, new electric wiring will need to be installed.

Can a tankless water heater fill a tub?

Please remember that tankless water heaters also come in different sizes, and you need to get a unit that will deliver a strong flow to the tub. A small tankless water heater can take a long time to fill a large tub. Second, bite the bullet and just install a larger water heater in place of your present water heater.

Do you need a tankless water heater for each bathroom?

Tankless water heaters can be installed anywhere inside your home. You can even have a tankless water heater in a bathroom! Some families with larger homes choose to install two, one for each floor, for example. Because of their small size, they fit in closets, cabinets, pantries or laundry rooms.

Do tankless water heaters have to be vented?



No. Unlike gas tankless water heaters and gas traditional tank style water heaters, electric tankless water heaters do not require any venting.

Can you take a shower with a tankless water heater?

With a tankless water heater, you can take a shower, use the dishwasher, and do laundry all at the same time without losing hot water. On top of saving, you from the dreaded cold shower, it can also save you money and energy.

Where should tankless water heaters be installed?

The ideal location for your water heater is inside the home. Most installations are small and unobtrusive so they will easily fit in a pantry, under the stairs, or under your sink. If you must place the water heater outside, make sure it’s safe from direct sunlight, rain, and insects.

Can you run two showers at once with tankless water heater?

Whole-House Tankless Water Heater
Whole-house units have higher GPM flow rate capacity and can handle the demand for more than one fixture at a time. For example, a unit may sufficient capacity to handle two shower fixtures at one time, or a dishwasher, kitchen sink, and lavatory hot water faucet at one time.