Heat Pump Water Heater in Attached Unconditioned Garage

slydawg · Apr 10, 2022

I may soon need to replace my gas water heater located in the garage. This garage is a few feet below grade but by no means is it a basement. In central Georgia, the garage is very hot in summer even with its 2 windows open. It gets cold in winter but not cold enough to freeze water.

Is this garage a good candidate for a heat pump water heater?

pecmsg · Apr 10, 2022

It will cool the garage off a few degrees. Just as long as it doesn’t get too hot.

slydawg · Sep 14, 2022

Did you mean just as long as the water heater doesn't get too hot or the garage doesn't get too hot?

pecmsg · Sep 14, 2022

It’s a reverse cycle. While making hot water it cools the garage. Caution! It may may not drop below freezing!

R600a · Sep 14, 2022

I would definitely checked the max ambient temperature that the water heater is rated to operate in and take note that you get close to freezing is going to shut down and the electric backup heat will turn on.

Heat Pump Water Heater in Attached Unconditioned Garage

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