A device that adds moisture to dry indoor air during wintertime and in hot, dry climates.

Heating Seasonal Performance Factor is the measurement of heat efficiency over the period of a heating season.

Heating Seasonal Performance Factor. Refers to the efficiency of the heating mode of heat pumps over an entire heating season: The higher the number, the more efficient the unit.

Anything that gives you remote or automatic control of things around your home, including but not limited to your HVAC, lighting or security system.

A High Efficiency Particulate Absorbing filter. A HEPA filter removes particles from the air by trapping them as air flows through.