It's an industry term for mechanical equipment that can heat AND cool. One piece of equipment replaces your AC AND heat source.
Heat pumps in particular are getting a push from "green" initiatives because they only use electricity for fuel which can potentially be supplied by "renewable" sources.
Heat pumps in particular are getting a push from "green" initiatives because they only use electricity for fuel which can potentially be supplied by "renewable" sources.
ie; it's a buzz word.