Often asked: How Much Is A Rinnai Tankless Water Heater?

How long does a Rinnai tankless water heater last?

The life expectancy (or useful lifespan) of a Rinnai tankless water heater is up to 20 years. Actual life is impacted by water quality, usage and proper maintenance. For comparison, a tankless water heater lasts about twice as long as a tank water heater, making them a better value in the long run.

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.

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

Tankless units are more expensive. An electric tankless unit will cost about $500 to $700, roughly the same as a traditional tank model, while the cost of a gas tankless heater runs about $1,000 to $1,200. Beyond the initial cost, the national average for the installation of a tankless unit is slightly over $1,700.

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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.

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.

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 often should you flush tankless water heater?

Keeping up with maintenance, including tankless water heater cleaning, should take place at least once a year. You may need to take care of other tasks, such as wiping down the exterior of the unit, more often, especially if the area where you install the water heater receives a lot of dust.

How often does a tankless water heater need to be serviced?

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.

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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.

Can I install tankless water heater myself?

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.

How big of a water heater do I need for a family of 4?

For 1 to 2 people: 30-40 gallons. For 2 to 3 people: 40-50 gallons. For 3 to 4 people: 50-60 gallons. For 5+ people: 60-80 gallons.

Why is tankless water heater installation so expensive?

Installation is expensive because the unit needs a bigger gas supply than a conventional water heater does, and it needs to run its own exhaust flue to the exterior. Installation costs can vary widely, depending on the location of the flue and the gas supply. The unit itself costs between $800 and $1,000.

What is the best tankless water heater brand?

Best tankless water heaters

  1. Best overall: Rinnai RUR160iN Water Heater. Courtesy of Amazon.
  2. Editor’s pick: Rinnai RU130iN. Courtesy of Amazon.
  3. Best for low prices: EcoSmart Eco 18 Electric Tankless Water Heater. Courtesy of Amazon.
  4. Best electric tankless water heater: Rheem RTEX-24.
  5. Best point-of-use heater: Bosch Tronic 3000.
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How do I know what size tankless water heater I need?

How to Select the Right Size Tankless Water Heater

  1. Determine the maximum number of devices you want to run and their total flow rate. Then, add up their flow rates (gallons per minute).
  2. Determine required temperature rise.
  3. Sizing Example: An average shower will be between 104–106° and uses 2.6 gallons of water.

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