![]() ![]() ![]() The ability of a heating or cooling system to heat or cool a given amount of space. The higher the number, the more air is being forced through the system. A measurement of airflow that indicates how many cubic feet of air pass by a stationary point in one minute. ![]() This burner provides good combustion of heating oil. BTUH is British Thermal Units per Hour.Ī burner assembly within your oil furnace. (One BTU is approximately equal to the heat given off by a wooden kitchen match.)Ī British Thermal Unit (BTU) is the unit of heat required to raise 1 pound of water by 1 degree Fahrenheit. Or for cooling, it's a measure of heat extracted from your home. Used for both heating and cooling, BTU is a measure of the heat given off when fuel is combusted. The portion of your air conditioner or heating system that forces air through your home's ductwork.īritish Thermal Unit. Type of compressor that uses a more efficient process for compressing refrigerant for better cooling efficiency For example, an AFUE of 90 means that 90% of the fuel is being used to warm your home, while the other 10% escapes as exhaust with the combustion gases. ![]() Indicated as a percentage, your furnace's AFUE tells you how much energy is being converted to heat. A b c d e f G h i J K l m N o p q r s t u v w X Y zĪnnual Fuel Utilization Efficiency. ![]()
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