"We're really satisfied with Suburban- you couldn't ask for a better company to deal with, I'll tell you that. We were really impressed with their cleanliness and their efficiency in getting the job d... » more
- Terry Culley of Silvis, Illinois


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BTU

British Thermal Unit. The energy used for heating and cooling is measured by the number of BTU's needed to keep a building at a comfortable temperature. Scientifically, it is the amount of heat energy necessary to raise the temperature of one pound of water one degree Fahrenheit.

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