A two-stage heat pump has a compressor which is capable of operating at a high and low speed, improving its ability to maintain the temperature in a home with greater precision. This type of HVAC system also offers the a... More »

Two-stage thermostats run two-stage air-handling systems, which heat and cool in two phases. When the thermostat first turns the unit on, only the first-stage heating or cooling components run unless the second-stage com... More »

A two-stage thermostat is a programmable thermostat that monitors how long it takes a heating system to reach the set point and adjusts it to save energy. It prevents the furnace from firing up into its second stage func... More »

www.reference.com Home & Garden Heating & Cooling

A single-stage heat pump has a compressor that works at one speed while a two-stage unit works at a high and a low speed. The low-speed provides sufficient heat for the home most of the time but operates at a higher spee... More »

www.reference.com Home & Garden Heating & Cooling

A heat pump sizing chart uses the heating capacity of a heat pump combined with the average temperature of the area to determine the heating system required to maintain a comfortable temperature inside a home. A sizing c... More »

www.reference.com Home & Garden Heating & Cooling

Gibson central air conditioners consist of a cooling unit that utilizes a chemical called a refrigerant to absorb the heat from air in the home and pump in cooled air through a duct system. The system utilizes the home's... More »

www.reference.com Home & Garden Heating & Cooling

A heat pump has four basic components: an outdoor unit that contains the compressor, condensing coil, fan, motor and electrical components; an air handler; a heater pack; and the line set that connects the air handler to... More »

www.reference.com Home & Garden Heating & Cooling