How to keep freezer in garage cooler during summer

geebeescJuly 15, 2012

Living in NC has really been a challenge during the summer months when trying to keep the heat from killing my freezer which has no choice but to stay in the garage. However, with the extreme heat, the sides of the freezer are too hot to touch. Fortunately, the inside thermometer still says it's below 0, but wonder how long that will last. The freezer also stands next to an outside wall which probably doesn't help either. We've put a small fan in the ceiling access to see if it'll draw out some of the heat--helps a little. Anyone have any brilliant ideas on how to cool down the garage which in turn keeps the freezer cooler?

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With high ambient temperatures your freezer is certainly working harder and longer to maintain temperature inside the unit. That will shorten its lifespan.

As for what to do about it? Have a basement or room in the house? If it is not already, you could insulate the garage but insulation only slows the transfer of heat. Ventilation will help but only when the outside temperature is below that of the garage. You'll also need a fairly large fan to make a significant difference.

    Bookmark   July 15, 2012 at 9:47PM
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In a chest type freezer the evaporator coils (cooling coils) are right under the interior lining of the food cavity then there is a thick insulation layer and the condenser coils are wrapped around the outside of the insulation immediately under the exterior sheet metal skin of the freezer. The condenser coils are tight against the exterior skin and the skin acts as a heat sink to help dissipate the excess heat energy to the outside air surrounding the freezer. The heat your feeling is normal operation.

    Bookmark   August 29, 2012 at 8:44AM
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Keep the coils clean.

    Bookmark   August 29, 2012 at 10:05AM
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Get a box fan and have it blow right on the sides of the freezer. It's all a matter of how fast you can transfer the heat. As long as the garage is cooler than the sides of the freezer it will help. 100 deg. is cooler than 120 deg.

    Bookmark   September 5, 2012 at 12:20PM
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I would move it to an inside wall - as far away from the door and any windows as possible. I don't think a fan would do much but blow hot air. Maybe one of those attic type fans in your garage ceiling could help pull the hot air out of the garage. Plant trees/shrubs around the exterior to help keep it cooler

    Bookmark   September 25, 2012 at 6:54PM
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