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Best Practice Guide |
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Glossary |
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Best Practice Guide GlossaryBrowse the glossary alphabetically: BRITISH THERMAL UNIT (Btu) Return to list of termsThe standard measure of heat energy. It takes one Btu to raise the temperature of one pound of water by one degree Fahrenheit at sea level. For example, it takes about 2,000 Btus to make a pot of coffee. One Btu is equivalent to 252 calories, 778 foot Source: California Energy Commission |