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| | British thermal unit - Encyclopedia, History, Geography and Biography (Site not responding. Last check: 2007-10-22) |
 | | In the United States, the BTU is often used to describe the heat value of fuels, and the BTU per hour (often confusingly abbreviated to BTU) measures the heating and cooling power of a system (such as a barbecue grill). |
 | | joules, and the therm is defined in the United States and European Union as 100,000 BTU –but the U.S. uses the BTU |
 | | British thermal unit, Conversions, Associated units, See also, External links, Units of energy, Imperial units and Customary units in the United States. |
| www.arikah.net /encyclopedia/BTU (439 words) |
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