The Best Garage Air Conditioners of 2023

Portability offers a number of advantages for a garage AC unit. The unit can cool a number of different locations, depending on activities. This means you might set up cooling near a workbench one day and move it to the other side of your garage (or into the house) to work on organizing storage the next. All that’s needed is any size window or opening to insert the adjustable vent plate.

This model has been around since the year 2000 and is proven in terms of reliability and performance. While it’s not the most efficient, the design is intuitive, and it has excellent cooling power for a portable air conditioner. Garages that fit one or two cars will benefit most from the 14,000-BTU cooling capabilities.

The Whynter ARC-14S is available with air conditioning only or with a heat/AC combo option. Buyers can choose according to their indoor climate and needs throughout the year. It’s reasonably quiet (56 decibel) when cooling, and you can easily set a thermostat to control your comfort.

What our team says: Stephanie Cronk, Bob Vila executive editor and product tester, says about this air conditioner, “This was among the most powerful portable AC units we tested. We turned the unit on when our 600 square-foot room reached 80 degrees Fahrenheit…and the room was noticeably cooler within 10 minutes.”

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Get the Whynter garage air conditioner at Amazon, The Home Depot, or Best Buy.