Submitted by samskiter t3_zsiyxn in askscience
Bunslow t1_j1ajws0 wrote
Reply to comment by SufferingIdiots in Why do we use phase change refrigerants? by samskiter
hmm, so if it's -10C or -20C outside, and inside i want it at the usual 21 or 22C, then my cop might drop as low as 2? for residential purposes
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