Btu Per Watt Electric Heater

If your state charges 20 cents kilowatt hour a 1 000 watt heater would cost you 20 cents per hour to run. Electric water heater heating cooling space heater furnace fan blower 1 2 hp furnace fan blower 1 3 hp window ac 10 000 btu window ac 12 000 btu central ac 10 000 btu central ac 24 000 btu heat pump laundry room iron washing machine clothes dryer electric clothes dryer gas kitchen refrigerator freezer microwave oven 625 watts. A standard electric room heater may have a rating of 1 500 watts.

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A standard 1 500 watt electric heater produces 5 115 1 500.

Btu per watt electric heater.

144 square feet multiplied by 9 watts equals 1296 watts. The next question then becomes how long the heater remains on over 24 hours. If you use the heater for five hours every day your daily cost of heating would be 5 x 20cents 100cents or 1. Multiply the wattage of your unit by 3 41 per watt to calculate btu.

A watt is a unit of power equal to one joule of energy per second. Adding 10 for a window equals 1425 6 watts. Knowing the amount of energy measured in btu s is necessary to keep your home comfortable in the both heating and cooling seasons. In terms of wattage almost all 120 volt space heaters are rated up to 1500 watts at the maximum setting and there is a 10 1 ratio of watts to square feet heated.

By definition a british thermal unit is the amount of heat needed to raise one pound of water 1 fahrenheit. Adding 20 for two exterior walls equals 1710 72 watts. You need a heater with at least a 21 780 btu output. A british thermal unit or btu is an international energy measurement.

Dividing by 250 the normal wattage per linear foot equals 6 84 feet of baseboard heater required. For example if your uninsulated garage is 484 square feet your formula is 484 200 x 9 000 or 21 780. Therefore a 1500 watt space heater 120 volts can heat an area of 150 square feet and a garage heater rated at 5 000 watts should be able to comfortably heat an. Find a heater with a btu output that matches your results.

Why is this important.