FAQ: How To Go Tankless Water Heater?

Can a homeowner install a tankless water heater?

Installation. While it is possible to install your own tankless water heater, it’s not a job for inexperienced do-it-yourselfers. There are a number of different sizes and styles of tankless water heaters, including propane, natural gas and electric, along with single-room or whole-house sized models.

What is the downside 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.

What are the requirements for a tankless water heater?

Tankless water heaters provide hot water on-demand. Gas units require a gas line, adequate combustion air, a vent to remove combustion gas and an electrical outlet to power the unit. While they last longer than tank-style water heaters, they are more costly to install and often require upgrading your gas line.

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How much does it cost to convert to tankless water heater?

The national average cost for installing a tankless water heater is $2,500 to $4,500. The average homeowner pays $2,811​ for an installed 150,000 BTU tankless whole-house gas water heater. This project’s low cost is $1,058 for a single-point installed 240v electric tankless water heater.

Do you need an electrician to install a tankless water heater?

Installation of a tankless water heater is NOT considered a “do-it-yourself” project. However, the installation of a Stiebel Eltron electric tankless water heater is relatively simple and can be done by any licenced plumber and electrician.

How long does a tankless hot water heater last?

Most tankless water heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10–15 years.

Is it worth switching to a tankless water heater?

The big advantage of tankless water heaters is that they use less energy since they only heat up water when you need it. You can save hundreds on your energy bill each year. Because they don’t waste power, you can also enjoy the fact that your home will be more sustainable and eco-friendly.

Can you run out of hot water with a tankless water heater?

With a tankless system, there isn’t a supply of hot water that can be depleted. Instead, the water heater heats up water as there is a demand for it. It will keep doing this as long as there is demand – and that means you won’t run out of hot water!

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What size 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.

What size breaker do I need for a tankless water heater?

Typical tankless requires 40-50 amp breaker for each wire. Each wire supplies 1 element. This example requires 3 breakers rated 40-50 amp = 120+ total amps.

Why are tankless water heaters so expensive to install?

Tankless water heaters can be expensive to install compared to storage tank water heaters, and this is because they often use pipes that are a different diameter and have special ventilation requirements.

How long does it take for a tankless water heater to pay for itself?

Tankless water heaters can eventually pay for themselves with energy bill savings, but the payback period may be long: 22-27 years for a gas tankless heater, 12-20 years for an electric. Tankless water heaters tend to last longer than storage heaters: 20 to 25 years in many cases.

Where should a tankless water heater 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.

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