Question: How To Install A Rheem 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.

How hard is it to install a tankless water heater?

Tankless water heaters cost more than traditional tank water heaters; typically about twice the price for the unit alone, depending on what flow rate is needed. They’re also more difficult to install, as they have special venting requirements and often need larger gas lines because of the higher BTU rating.

Does a plumber or electrician install a tankless water heater?

You might also need to hire an electrician, depending on the type of tankless water heater you’re installing, whether you already have the necessary hookups in place, and the plumber’s skills. Either way, you should get estimates from several contractors before you select one or two to do the installation work for you.

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What is the downside of a tankless water heater?


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.

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.

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 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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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.

How much should it cost to install a tankless hot water heater?

Tankless water heaters are more expensive than storage water heaters, and the units alone can cost anywhere from $1,000 to $3,000. The final price will likely be in the $2000 – $4500 range including installation.

Do you need an electrician to install a water heater?

Well, they’re specifically trained in all aspects of a water heater (including electrical wiring, piping, heating elements, anode rods, gas lines, etc.). But, if your water heater issue points to a larger problem within your home’s electrical system, you should call an electrician.

How do I know what size tankless water heater I need?

How to Select the Right Size Tankless Water Heater

  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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