A tankless water heater can be installed outside if it’s designed to withstand harsh weather patterns. There are specific models designed for indoor and outdoor usage, so you have to choose the correct type.

Is it safe to install a tankless water heater outside?

Yes – there are outdoor tankless water heater units that are made to withstand the elements BUT – it is recommended that electric tankless water heaters be provided with some form of shelter. Gas powered tankless water heaters that are placed outdoors do not require any form of protective shelter.

Is it better to have an indoor or outdoor tankless water heater?





In a Nutshell



Both indoor and outdoor water heaters are a better choice compared to the conventional heaters, owing to the fact that the former are extremely energy efficient. If you live in a secure area and can make a few modifications to accommodate the unit, you should buy an outdoor unit.

Can a tankless water heater be installed on outside wall?

Outdoor tankless water heater models work for outdoor installations like on the exterior wall of your house. They have a built-in vent on the front of outdoor heaters.

Where should tankless water heaters be placed outside?

Quote from the video:
Quote from Youtube video: Not under any kind of roof. Such as a patio cover and it should be placed at least four feet from windows it should be installed. Level and plumb and fastened to the wall securely.

Why are tankless water heaters installed outside?

A tankless water heater can be installed outside if it’s designed to withstand harsh weather patterns. There are specific models designed for indoor and outdoor usage, so you have to choose the correct type.

Do outdoor tankless water heaters need venting?





Tankless hot water heaters require special venting to blow hot exhaust gas outside, where it dissipates. Unlike traditional tank-style water heaters, gas tankless hot water heaters offer far more versatile venting options.

How do I protect my outside tankless water heater?

How to Prevent Your Tankless Water Heater from Freezing

  1. Install Your Water Heater in a Warm Place. …
  2. Drain Your Water Heater. …
  3. Maintain a Power Source. …
  4. Consider a Recirculation System. …
  5. Insulate, Insulate, Insulate. …
  6. Run a Trickle of Water.


Can a water heater be outside the house?

Not only is it possible to put a water heater outside, but specific models are specifically designed to make it easy for homeowners to do just that.

Can tankless water heaters be installed outside in cold climates?



Yes, gas tankless water heaters can work well, even in cold climates, as long as the unit has been sized correctly to meet the hot water needs of your particular household.

Can you install a tankless water heater anywhere?

Tankless water heaters can be installed anywhere inside your home. You can even have a tankless water heater in a bathroom! Some families with larger homes choose to install two, one for each floor, for example. Because of their small size, they fit in closets, cabinets, pantries or laundry rooms.

Does cold weather affect tankless water heater?

If the water is colder, the tankless water heater can’t provide as much hot water per minute because it takes longer to heat it. Just like it would take you longer to cook frozen food than refrigerated food.

Can an outdoor tankless water heater be installed in a garage?



As long as enough combustion air is provided, tankless water heaters can be installed in place of your old water heater or anywhere in your home. This includes utility rooms, garages, basements, attics, or mounted on outside walls. They can even be installed in locations where a storage water heater wouldn’t fit.

Do tankless water heaters require a floor drain?

A: Drain pans are not required for tankless water heaters at all. They are required for tank type water heaters located where a leak will cause damage to the building.

Where should a tankless electric water heater be installed?

Your tankless water heater can be installed just about anywhere! Due to the small size of your water heater, it can be mounted in many small spaces, including closets, under sinks, in pantries, or under stair storage areas.

Can a Navien tankless water heater be installed outside?

NPN-U (Universal) premium non-condensing tankless water heaters offer a compact tankless solution for both indoor and outdoor installations.

What is the downside of a tankless water heater?



The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters. Including installation, tankless water heaters cost 3 times more than tank-style water heaters on average.