Readers ask: How To Pick The Right Tankless Water Heater?

What is the equivalent of a 50 gallon tankless water heater?

To replace a 50-gallon water heater, you would, roughly speaking, need: 10 GPM gas tankless heater or at least a 27 kW electric tankless water heater if you live in the northern part of the USA. 7 GPM gas tankless heater or at least an 18 kW electric tankless water heater if you live in the southern part of the USA.

How many BTU do I need for tankless water heater?

If you currently have a gas tank water heater (natural gas or propane), you can install a gas tankless water heater. However, you will probably have to upsize the gas line coming from your meter to your heater, as tankless units typically require a dedicated line to service their high demands of up to 200,000 BTU.

How many tankless water heaters do I need?

For larger households that typically use more than 85 gallons per day, two tankless systems, or the largest available model, are likely needed. For smaller households that use under 40 gallons per day, one unit should suffice.

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Which one tankless water heater is the best?

Here, the best tankless water heaters for you to consider.

  • Best Overall, Natural Gas: Rinnai RL Series HE+ Tankless Hot Water Heater.
  • Best Overall, Electric: Rheem Performance 7.03 GPM Tankless Electric Water Heater.
  • Best Budget: EcoSmart ECO 18 Tankless Electric Water Heater.
  • Runner Up, Best Budget: Bosch Tronic 3000.

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.

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. Whatever way you choose, at least now you’ll finally be able to relax in a nice, hot whirlpool tub.

Can a tankless water heater work for the whole-house?

A whole-house tankless water heater is built to provide continuous hot water whenever you need it. Both tank and tankless whole-house water heaters have their advantages. Tank-type water heaters have a lower upfront cost and are often easier to install when replacing a similar type tank water heater.

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.

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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!

How long will a tankless 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.

What size water heater do I need for a family of 5?

For example, a family of 5 – 7 people may not require a 60 – 80 gallon water heater. In some cases, a family of this size may be able to get by with a 50 – 60 gallon water heater. In addition, a family with 2 members may require a water heater with a water tank that is larger than 30 gallons.

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