Heat pumps work best when they’re part of a well-prepared home, to be installed when the building envelope is attended to; ...

Most people assume their heating bill spikes because they’re “using the heat wrong,” but the real issue is usually how the ...

Part 1 in this series covered defrost cycle problems in heat pumps. Now, let's discuss the second major winter issue: heat pumps stuck in one mode. The customer calls and says the system won't switch ...

A heat pump functions as a typical air conditioning system in the cooling mode — absorbing heat from indoors and rejecting it outdoors. In heating mode, the coils reverse their functions. The outdoor ...

Sales of super-efficient electric heat pumps are rising, now overtaking sales of gas furnaces in the U.S. But what are heat pumps? And why do some call them a key climate solution? Here are the ...