For British Thermal Unit (BTU) we have terms and definitions in 14 topics. The topics are Air Quality, Boiler, Electric Power, Energy, Gasoline, Insulation, Natural Gas, Oil, Physical Geography, RV, Sanitation, Solar Energy, Uk Power and Wood.

British Thermal Unit (Btu) (Air Quality)

A unit of heat used to describe the capacity of boilers and furnaces. One BTU equals the amount of heat required to raise the temperature of one pound of water one degree Farenheit at sea level

British Thermal Unit (Btu) (Boiler)

The mean British Thermal Unit is 1/180 of the heat required to raise the temperature of 1 lb of water from 32 °F to 212 °F at a constant atmospheric pressure. A Btu is essentially 252 calories.

British Thermal Unit (Btu) (Electric Power)

The amount of heat energy required to raise the temperature of one pound of water from 60 degrees F to 61 degrees F at one atmosphere pressure.

British Thermal Unit (Btu) (Energy)

The 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-pounds, 1055 joules, and 0.293 watt-hours. Note: In the abbreviation, only the B is capitalized.

British Thermal Unit (Btu) (Gasoline)

The amount of heat required to increase the temperature of a pound of water 1o Fahrenheit. A Btu is used as a common measure of heating value for different fuels. Prices of different fuels and their units of measure (dollars per barrel of crude, dollars per ton of coal, cents per gallon of gasoline, cents per thousand cubic feet of natural gas) can be easily compared when expressed as dollars and cents per million BTUs.

British Thermal Unit (Btu) (Insulation)

The heat required to raise the temperature of a pound of water 1°F.

British Thermal Unit (Btu) (Natural Gas)

The quantity of heat necessary to raise the temperature of one pound of water one degree Fahrenheit from 58.5 to 59.5 degrees Fahrenheit under standard pressure of 30 inches of mercury at or near its point of maximum density. One Btu equals 252 calories, (gram), 778 foot-pounds, 1,055 joules or 0.293 watt hours.

British Thermal Unit (Btu) (Oil)

The quantity of heat required to raise the temperature of one pound of water by one degree Fahrenheit at or near 39.2° Fahrenheit.

British Thermal Unit (Btu) (Physical Geography)

Measurement unit for heat. It is the amount of energy required to raise the temperature of one pound of water one degree from 62 to 63° Fahrenheit. One Btu is equal to 252 calories and to 1055 joules.

British Thermal Unit (Btu) (RV)

A measurement of heat that is the quantity required to raise the temperature of one pound of water 1 degree F. RV air-conditioners and furnaces are BTU-rated.

British Thermal Unit (Btu) (Sanitation)

The quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit; equal to 252 calories.

British Thermal Unit (Btu) (Solar Energy)

The amount of heat energy required to raise the temperature of one pound of water from 60 degrees F to 61 degrees F at one atmosphere pressure.

British Thermal Unit (Btu) (Uk Power)

The amount of energy necessary to raise the temperature of one pound of water one degree Fahrenheit

British Thermal Unit (Btu) (Wood)

Measure of the amount of heat required to raise 1 pound of water 1 degree Fahrenheit. Amount of latent heat available to be released when a substance undergoes combustion.

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