"If you're just a regular person, I'd advise not to" do DIY, Bernath said. If you are experienced with other handiwork, ...

Bosch Home Comfort Group, a unit of German industrial conglomerate Robert Bosch GmbH, recently launched a residential air-to-air heat pump designed specifically for heating in cold climates.

Ducted air-source heat pumps are another common option ... and labor costs. Ductless mini-split systems are generally less ...