Submitted by _ogg t3_10m9wni in philadelphia
otis41 t1_j63gfkb wrote
Heat pumps on mini splits aren't really designed to be a primary heat source in the winter, they're designed more for shoulder season heating (think high 40's and up). If you have another source of heating, it may work more efficiently.
DanHassler0 t1_j63mggm wrote
Any newish heat pump will work extremely well in the weather we get. Temperatures haven't gotten cold enough to where a heat pump doesn't make sense I don't think.
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