Jun 21, 2019 · Q = m*s*dT, where Q = heat, m = mass, s = specific heat, and dT is the change in temperature (T2 - T1). You can use this formula to calculate the specific heat. In the case of gases, just replace the mass by moles of the gas. Furnaces are rated on their BTUs of energy consumption, not their BTUs of energy output. A more efficient furnace will output more BTUs of heat than a less efficient furnace with the same BTU rating. For example, if a furnace is rated at 100,000 BTUs and is 80% efficient, then the heat output will be 80,000 BTUs (100,000 × .8).
For natural gas heating about 117 pounds of CO2 are produced for one million BTU (293 KWh) of energy produced by combustion. When purchasing gasoline, diesel or oil for combustion, the price is still approximately the same for one unit of energy (about 5-14 US cents/kWh) depending on the geographical location because of a variation in gasoline ... Nov 16, 2020 · Natural Gas vs. Propane. Natural gas is cheaper than propane, but propane burns hotter, cleaner, and is way more available than natural gas. Propane actually produces twice as much heat as an equal amount of natural gas. So, for RVers, boondockers or folks living off the grid, propane is the fuel of choice. For homeowners with natural gas lines ...
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