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How Things Work from A - Z

A - E F - S U - Z

Air Conditioning SystemTo cool your home, air conditioners use a chemical known as a refrigerant to transfer heat to the outside air. To perform this function, an air conditioning system has three main mechanical components:Learn More >

Air Source Heat PumpsIn size and appearance, a heat pump looks like a central air conditioner. But unlike a central air conditioning system, which only cools a home, a heat pump provides heating and cooling. Learn More >

BoilersBoilers in a home generate hot water or steam for hydronic heating systems such as radiators, finned-tube baseboard heaters, radiant floor heating, radiant panels (towel warmers), kick space heaters and indirect water heaters.Learn More >

Ductless Mini-split SystemsUnlike conventional air conditioning systems that use a system of ducts to deliver conditioned air throughout your home, ductless systems use a wall or ceiling-mounted blower to deliver cool air to a room.Learn More >

DuctworkDuctwork is composed of two parts: supply and return. Supply ducts deliver air to each zone in a home. Learn More >

Energy Recovery VentilatorsEnergy recovery ventilators (ERVs) and heat recovery ventilators (HRVs) are mechanical ventilation systems that use fans and other technology to maintain a constant flow of fresh outdoor air into the house, while exhausting stale indoor air.Learn More >