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Truma Gerätetechnik GmbH & Co. KG is a German manufacturer of leisure products for caravans and motorhomes. The company develops, manufactures and sells heating and air conditioning systems, hot water boilers, maneuvering systems and products for energy and gas supply.
OpenTherm was founded in 1996 because multiple manufacturers needed a simple-to-use communicating system between room controller and boiler. It had to run, like the existing controllers, over the existing two wires, not polarity sensitive, without the use of batteries.
Electrotherm (India) Limited (Ltd.) is an Indian technology conglomerate.Its operations span many different segments of the manufacturing and process industries, including steelmaking, foundry, heat treatment, the design and manufacturing of electric vehicles, and the energy industry.
The therm (symbol, thm) is a non-SI unit of heat energy equal to 100,000 British thermal units (BTU), [1] and approximately 105 megajoules, 29.3 kilowatt-hours, 25,200 kilocalories and 25.2 thermies. One therm is the energy content of approximately 100 cubic feet (2.83 cubic metres) of natural gas at standard temperature and pressure .
Natural gas is often measured by volume or heat content. Common units of measurement by volume are cubic metre or cubic feet at standard conditions or by heat content in kilowatt hours, British thermal units (BTU) or therm, which is equal to 100,000 BTU. A BTU is the energy required to raise one pound of water by one degree Fahrenheit.
In thermodynamics, the thermal efficiency is a dimensionless performance measure of a device that uses thermal energy, such as an internal combustion engine, steam turbine, steam engine, boiler, furnace, refrigerator, ACs etc.
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