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A natural gas burner rated at 40,000 BTUs per hour divided by 1,000 BTUs per cubic foot uses approximately 40 cubic feet of natural gas in one hour. Exact Gas Consumption Step 1 Multiply the burner efficiency by the energy content of the gas being used. Natural gas contains 1,075 BTUs per cubic foot; propane contains 2570 BTUs per cubic foot. Step 2

Learn MoreJan 24, 2012 · Reply to how do you calculate how much gas a boiler is burning per hour in the Central Heating Forum area at PlumbersForums.net. Similar threads. C. Boiler wattage for use with unvented cylinder. colin_ Mar 12, 2021; Central Heating Forum; 2. Replies 19 Views 641. Mar 18, 2021. colin_ C. H.

Learn MoreHow To Calculate Natural Gas Boiler Consumption--ZBG

Learn MoreHow To Calculate Natural Gas Boiler Consumption--ZBG

Learn MoreOct 22, 2019 · If the AFUE of your gas boiler is 90%, it means that 90% of the gas it consumes becomes heat for your home. The remaining 10% is sent through the boiler chimney as exhaust. As of 2012, all gas boilers manufactured in the U.S. must have an AFUE of at least 80%

Learn MoreHow To Calculate Natural Gas Boiler Consumption--ZBG

Learn MoreIts hard to give a precise figure to say how much gas your boiler should be using, however you can use the size of your boiler to work out an estimate. A 24 kW boiler will use 24 kW of energy per hour. If your boiler is on for a total of five hours per day, your daily usage should be around 120 kWh.

Learn MoreThe boiler gas consumption calculation need the following parameters: such as natural gas calorific value 8500kcal/m3, pressure 8-10Kpa, and theoretically, the gas consumption of boiler heat = boiler calorific value÷ (Calorific value of natural gas x Boiler thermal efficiency)= 2400 000 Kcal / (8500Kcal * 0.94) =297m3/h, here we take 4 tons of natural gas boilers for example, then the boiler gas consumption per hour need only about 297 cubic meters.

Learn MoreMay 14, 2013 · Hi the Truma Combi boiler does use a lot of gas for heating. I forget the consumption figures, but from memory, it is 160-480 grams per hour, so even at the lowest setting, and not using the gas for anything except heating and hot water, a 6kg cylinder would give you only 37 hours use about 13 hours on the high setting.

Learn MoreDec 19, 2019 · For example lets consider propane, butane and natural gas versus electricity. One gallon of propane produces about 91,000 BTUs and a single cubic foot of natural gas offers 1,075 BTUs. According to the same source one KWh of electricity offers 3,413 BTUs to heat your water with.

Learn MoreHow Much Gas Does a Boiler Use Per Hour? | Viessmann

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