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Learn about Central Air Conditioning

Central Air Conditioning

A central air conditioner is a system for cooling your home in the heat of summer. It provides cooling only. If you also need heat in winter, a heat pump that does both is your best savings.

Energy Star air conditioners meet energy-efficient standards to keep your cooling bill lower. Look for the Energy Star label, and look for a SEER number (Seasonal Energy Efficiency Ratio) near or above 20. Some less efficient units are down around a SEER of 10, which means they would take twice as much energy to provide the same amount of cooling. Consider whether you need air conditioning, or whether fans and night-time fresh air ventilation will do the trick, saving capital and operating costs. Circulation fans use only a tiny fraction of the energy of an air conditioner. Look for an efficient heat pump air conditioner that can also cover some of your heating load in winter.

Energy star central air conditioners are certified to meet the standard for lower energy consumption than standard models.

The first home known to have air conditioning installed in 1914 for Charles Gates, a resident of Minneapolis, Minnesota. The first central air conditioning installed in a private home was for the family of David St. Pierre DuBose in 1933, who resided in Meadowmont, North Carolina. St. Pierre DuBose designed a network of ductwork and vents hidden behind Georgian-style molding.