4 ms·
"Cold climate" air source pumps have been available for years. Even my cheap MrCool Universal has 100% output down to -5F and it is not even really a "cold clim
by heatpumpfan 4y ago
"Cold climate" air source pumps have been available for years. Even my cheap MrCool Universal has 100% output down to -5F and it is not even really a "cold climate" heat pump.