If you live in a climate where temperatures drop below freezing you must always be sure to take precautions to avoid freeze damage such as draining the unit.
Can tankless water heaters be installed outside.
Electric and gas tank style water heaters are not designed to be installed outside without shelter.
Even with an outdoor model i would still install the water heater under an eave or out of the direct weather if possible.
This is the option to choose if you want to evaluate your options with the unit in your possession.
On the other hand gas tankless water heaters have exterior models that can be installed outside.
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.
Installation is simple even for gas heaters.
As the venting is much shorter for outdoor gas heaters there s no condensation.
Electric tankless water heaters can also be installed outside with some sheltering recommended to protect the unit from the weather.
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.
Hybrid tankless systems provide more flexibility for homeowners who are unsure of where the installation of the water heater should be.
An outdoor unit is installed outside the home and is designed to withstand the elements.
An indoor tankless water heater is installed inside your home.
Your tankless water heater can be installed just about anywhere.
Then there s the venting.