3 ms·
We live in Denver and saw -10, -15 this winter. Our heat pump is 100% efficient down to -10, and still reasonably efficient at -25. Our whole house is on it. No
by bitexploder 3y ago
We live in Denver and saw -10, -15 this winter. Our heat pump is 100% efficient down to -10, and still reasonably efficient at -25. Our whole house is on it. No gas.