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Careful_Square1742 t1_j76eyxb wrote on February 4, 2023 at 12:52 PM

Reply to comment by wrenchindaddy802 in Some data on heat pump performance today by happyhourscience

geo's awesome, if you have the right conditions (and bank account).

-17 at my house this morning and the heat pump system is purring. it goes into defrost for 5 minutes every 45 minutes or so, but the temp inside is within a degree or two of set point.