and it means you might see these heat pumps in businesses, schools or multifamily housing. The All-Weather model has an MSRP of $3,800 -- a lot more than your typical window AC, but for ...

A heat pump is a combined heating system and air conditioner. This single unit can ... mode is very efficient within a certain temperature window. Below that window, its efficiency drops.

Portable heat pumps can go into a window much like a window air conditioning unit and plug into the wall for power. Matusiak says window heat pumps may soon be eligible for more of these rebate ...

Because heat pumps are two-in-one heaters and air conditioners, she has abundant cooling for the first time, allowing her to ditch the clunky and less-efficient window AC units she used before.