Gas Appliance Btu Usage

Step 2 determine the burner output in btus per hour from the appliance sticker or user documentation.

Gas appliance btu usage. Pool heater numbers are based on using 300 000 btu hr over 120 hours of annual operation. That is why we have decided to create this list of rough estimates of wattage consumption of most common household appliances that people want to keep running at all costs. The current charge for natural gas from wps is 0 4166 per therm. Natural gas is measured in therms or btus.

We hope these tables charts will help you to better estimate how big and powerful generator you will need as a backup source of power. A therm is a measurement of the amount of heat energy. 91 502 22 875 4. A therm is a measurement of the amount of heat energy in natural gas equal to 100 000 btus.

Tankless water heater 40 000 btu hour or 1 5 gallons per day gas clothes dryer 35 000 btu hr or less than one gallon per day it s important to remember that the statistics cited above will vary to some degree depending on how much or how often you use your appliances and how many people are in your household. For example if a burner uses 22 875 btu per hour it will last 4 hours on a gallon of propane which contains 91 502 btu. Natural gas is measured in therms or btus. Calculating propane gas consumption is based on the burner size.

1000 btu 1 cfh. Propane contains 2570 btus per cubic foot. Residential gas range btus residential gas stoves range in btu power from 400 to 18 000 btus. Top load and front load gas dryers are rated for 22 000 btus of heat per hour btuh for natural gas.

Gas fireplace numbers are based on burning gas logs as opposed to using a gas starter fireplace at 60 000 btu hr over 120 hours of annual operation. Scenario 1 full gas load full electrical load. Min pressure inches water column. Multiply the burner efficiency by the energy content of the gas being used.

For example a low flame on the stove may only use 400 btus even though the burner might have an 18 000 btu capacity. In general the lower the flame the lower the btu output and the higher the flame the higher the btu output. A btu or british thermal unit is the quantity of heat required to raise the temperature of one pound of water by one degree fahrenheit. Furnace numbers are based on an average gas furnace with a 92 percent efficiency rating.

Natural gas contains 1 075 btus per cubic foot.