Fairbanks Daily News-Miner: Heating Units 101: What are Btu, calories, Joules and watts?
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The Btu should not be confused with the Board of Trade Unit (BTU), an obsolete UK synonym for kilowatt hour (1 kW⋅h or 3,412 Btu). The Btu is often used to express the conversion-efficiency of heat into electrical energy in power plants.
BTU's are a commonly used specification on heating and cooling systems. But what is BTU? We explain it in simple terms and provide calculators, conversion charts and more.
Whereas typical school designs today use 3 watts / sq. ft., FRHS uses only 1.6 watts / sq. ft. Projected over the life of the building, energy savings from the building's mechanical, plumbing, irrigation and lighting systems are estimated at more than $6 million at current utility rates.
The microturbine planned for City Hall's roof, donated by Southwest Windpower of Flagstaff, Ariz., will produce only 1,800 watts, less than 2 percent as much as the Local 103 wind turbine.
Knoxville-based TVA — the country's largest public utility, serving 8.7 million consumers in Tennessee and six surrounding states — also expects to decide by late summer if it will complete a second reactor at its Watts Bar plant in Spring City, Tenn. Watts Bar, the last new nuclear plant in the U.S., came online in 1996 after 22 years of construction. TVA still holds a construction ...