air conditioning

air conditioning box fan cooling fan - 6210407424
By Unknown
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About 20 percent cooling, and 80 percent extensive, I'd wager.

ac air conditioning kitchen restaurant window-ac - 6461616384
By Unknown
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Apparently window air conditioning units don't need windows anymore. Maybe they're actually sucking cool air from the restaurant into the hot kitchen. Or maybe they're just dumb. Whichever is more likely.