Learn About Your Heating and Cooling Systems

Finger pushing button on a thermostat

Understanding Your Home's Heating and Cooling Systems

  • Is your home heated with a furnace or a boiler?
  • Is it better to install a standard or tankless water heater?
  • Does it make more sense to install a ductless mini split heating and cooling system?
  • How does ENERGY STAR decide which products to award the ENERGY STAR label?


We've got answers to these questions and more!

Home furnace

Heating Systems: Furnaces & Boilers

A furnace heats air that is distributed throughout the house via a blower motor and the home's duct system. A boiler creates hot water. The hot water or steam flows through a series of pipes or radiators to heat the home.

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York AC unit

Central Air Conditioning

Central Air has come a long way. Today's units are up to 60% more efficient than units just 10 years older. Find out how to pick the right system for your home.

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Group of water heaters

Water Heaters

Standard or tankless water heaters - which to choose? Since water heaters account for about 15% of an average home's energy bill, take the time to find the right one.

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ENERGY STAR Efficiency

Save energy. Save money. Help the environment. Only the most energy-efficient products earn the ENERGY STAR designation.

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