Is Rheem A Good Tankless Water Heater?

by | Last updated on January 24, 2024

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Rheem's electric water heaters get average ratings; Rheem gas tankless models boast ratings well above average . No other brand we reviewed has a pro line available only through dealers and a standard line available online and at home improvement stores.

Is Rheem tankless water heater good?

Rheem's electric water heaters get average ratings; Rheem gas tankless models boast ratings well above average . No other brand we reviewed has a pro line available only through dealers and a standard line available online and at home improvement stores.

Which brand of tankless water heaters is best?

  • Best Overall, Natural Gas: Rinnai RL Series HE+ Tankless . ...
  • 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 life expectancy of a Rheem tankless water heater?

Rheem Water Heater Maintenance/Life Expectancy

If properly maintained, a tankless water heater can have a life expectancy of up to 20-years . Proper and frequent flushing is critical to prevent limescale build-up within the heat exchanger and other components.

Can a tankless water heater fill a tub?

A tankless water heater won't “run out” of hot water unless the flow surpasses the water heater's heating ability. ... To further clarify, you can fill an oversized bathtub when you have a tankless water heater , but not when another appliance or fixture is using hot water.

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

Because there's no tank, it doesn't work off of capacity; it works off demand. A tankless water heater heats up water as you need it, and it brings hot water to your appliances quickly—and never runs out .

What are the disadvantages of a tankless water heater?

  • Con: High Upfront Cost of the Unit and Installation.
  • Con: Take Longer to Deliver Hot Water.
  • Con: Cold Water Sandwich.
  • Con: Inconsistent Water Temperature When Multiple Outlets Are in Use.
  • Con: Difficult to Achieve a Lukewarm Temperature.
  • Con: No Access to Hot Water During a Power Outage.

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

Built with scale-reduction technology, both electric tankless and gas tankless whole-house water heaters perform with high efficiency and are built to serve a wide range of applications. A whole-house tankless water heater is built to provide continuous hot water whenever you need it .

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.

How many years does 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.

How long does hot water last in a tankless water heater?

Tankless water heaters are less exposed to water-based corrosion than regular water heaters, which are exposed to moisture 24/7. A traditional water heater lasts about 12 years; a tankless water heater lasts about 20 years .

Can a hot water heater last 20 years?

Tank water heaters will last on average 8 to 12 years, while tankless can last even longer , up to 20 years. There are also electric and gas hot water heaters that will vary in lifespan, but in general gas ones last 8-12 years, while an electric heater could last upwards of 10-15 years.

Which water heater is best for shower?

  • Tankless Water Heaters. Unlike the traditional, tank-style water heaters, these appliances will heat up the water as it flows through the system, and you are not limited by the tank capacity. ...
  • Natural Gas Heaters. ...
  • Indirect Water Heaters. ...
  • Heat Pump Water Heaters. ...
  • Solar Water Heaters.

How often should you flush your tankless water heater?

Just like a tank unit, tankless water heaters need to be flushed once per year . Homeowners with hard water should consider flushing and cleaning the unit even more frequently, perhaps every six to nine months because of the excess amounts of magnesium and calcium found in hard water supplies.

Why is tankless water heater bad?

High Gas Pressure Required

The high-powered burner used in a gas-based tankless unit can require up to 150,000 BTU to heat the water, which can be a problem in a home with a low pressure main gas line.

Do tankless water heaters need a vent?

Installing a tankless water heater outside frees up indoor space and requires no additional venting . ... Traditional gas tank water heater require venting through the roof. Tankless water heaters use fans to blow exhaust from the unit horizontally, allowing vents to terminate on the side of a house.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.