Replacing or buying a new central air conditioning system ... warmer or much colder depending on the system.) Heat pumps are available in ducted or ductless versions. (Some so-called ductless ...

There’s been steady growth in the popularity of heat pumps overall, but their attractiveness varies across different market ...

The first heat pumps to pass the U.S. Department of Energy's Cold Climate Heat Pump Challenge might be in customers' homes by the end of the year.