Higher than average concentration of ethane, propane or butane will increase the therm factor and the inclusion of non-flammable impurities, such as carbon dioxide or nitrogen will reduce it. The Wobbe Index of a fuel gas is also sometimes used …

Nov 28, 2017 · When you install this new version of THERM, a completely new set of directories is created, so that you can have other versions (THERM 7.4 and 7.6) installed at the same time. We now have an online forum where you can ask questions and respond to questions by others.

The meaning of THERM is a unit for quantity of heat that equals 100,000 British thermal units. How to use therm in a sentence.

Using THERM, you can model two-dimensional heat-transfer effects in building components such as windows, walls, foundations, roofs, and doors; appliances; and other products where thermal bridges are of concern.

One therm is the amount of energy or heat equivalent to 100,000 BTU, or British Thermal Units. One BTU is the amount of heat it would take to raise the temperature in one pound of water by one degree Fahrenheit.

For convenience, figures for the last 10 years in pence per therm, and figures for fuels sold to domestic consumers, are given below.

Define therm. therm synonyms, therm pronunciation, therm translation, English dictionary definition of therm. n. 1. a. A unit of heat equal to 100,000 British thermal units . b. A unit of heat equal to 1,000 large calories. 2. a. A unit of heat equal to the large...

Since meters measure volume and not energy content, a therm factor is used by gas companies to convert the volume of gas used to its heat equivalent, and thus calculate the actual energy use. The therm factor is usually in the units therms/CCF.

Dec 19, 2024 · What is a Therm? A therm is a unit of heat energy that measures the output of heating systems. Specifically, one therm equals one hundred thousand (100,000) British thermal units (Btu) .

a unit of heat equal to 100 000 British thermal units. One therm is equal to 1.055 056 × 10 8 joules

Feb 2, 2015 · A therm is a unit of measurement of energy (more specifically thermal energy). The therm is used to measure gas consumption: 1 Therm = 100,000 British thermal units (BTU) This is equal to 29.3 kWh of thermal energy. 1 therm of heat is obtained by burning 100 cubic feet (=1 CCF) of natural gas.

Jul 17, 2024 · A US therm is a unit of heat energy equal to 100,000 British thermal units (BTUs). It’s commonly used in the United States for billing purposes, particularly in natural gas sales. One US therm can raise the temperature of one pound of water by 1°F when burned.

One therm is roughly the energy output of burning 100 cubic feet of natural gas. Usage context: The Therm is used by energy suppliers to measure the energy of natural gas supplies.

Most of the contracts that British Gas signed are priced at around 20 pence per therm. (Definition of therm from the Cambridge Business English Dictionary © Cambridge University Press)

Apr 20, 2025 · therm (plural therms) A unit of heat equal to 100,000 British thermal units, often used in the context of natural gas.

At the last meeting of the Committee it was resolved, on the motion of Mr W. H. Preece, to adopt the name “Therm” for the Gramme-Water Degree Centigrade Unit of Heat. Thus one “Therm” is the quantity of heat required to raise one gramme of water at …

Feb 17, 2010 · The therm is the measure of a gas or liquid’s energy content which is given off in the form of heat when that gas or fluid is combusted. For pure substances like methane (basically natural gas is methane with a few other impurities), the energy content is known.

Nov 1, 2021 · One therm is equal to 100,000 BTUs (British Thermal Unit) — which in case you were wondering, is the quantity of heat that’s needed to raise the temperature of one pound of water by one degree Fahrenheit.

therm (thûrm), USA pronunciation n. [Physics.] Physics any of several units of heat, as one equivalent to 1000 large calories or 100,000 British thermal units. Also, therme.

The therm (symbol thm) is a non-SI unit of heat energy. It was defined in the United States in 1968 as the energy equivalent of burning 100 cubic feet of natural gas at standard temperature and pressure.

Apr 23, 2025 · Therm-A-Rest includes both a compression sack to squish the bag down tightly, as well as a separate mesh storage sack to maintain loft when not in use. Whether you’re heading deep into the backcountry or stuffing your trunk to the gills, the Boost 650 doesn’t take up much room.The tradeoff is that down insulation requires more upkeep ...

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