In cooling mode, they work exactly like air conditioners. And come colder weather, they’re the most energy-efficient system for home heating. They’ve been common in warm parts of the U.S. for ...

This article offers insightful analysis of your cooling requirements and selection of the best air conditioning system for ...

With one distribution system and one blower motor, we could now condition the air year-round, providing heat and humidity in the cold winter months and cooling and dehumidification in the warm summer ...