Electric Heat Wattage Calculator

Cfl light bulb x4 15 watt electric water heater.

Electric heat wattage calculator.

Element electric fry pan. For instance a 2 foot long baseboard heater would emit around 500 watts. The power p in watts w is equal to the squared voltage v in volts v divided by the resistance r in ohms ω. P w pf i a v v.

Heating power can vary depending on the make and model of the baseboard heater so consult its documentation for exact heating specifications. In other words a 1 500 watt heater will be great for a 250 square foot room with central heat. A 4 foot baseboard heater would emit 1 000 watts. Ac single phase amps to watts calculation.

In order to calculate the heating required we must consider the size and volume of the house orientation size and number of windows type of insulation found in the walls and roof etc. Electric heater room size calculator. With 144 square feet the required wattage is 1440 watts which means you could heat the room with a single 1500 watt baseboard heater or two 750 watt heaters. The power p in watts w is equal to the power factor pf times the phase current i in amps a times the rms voltage v in volts v.

Ac three phase amps to watts. Watt is a unit of power within electrical systems wattage corresponds to the amount of power that an electric device uses per second. For the sake of our example let s assume that the room has normal specifications. Ohms is a unit of electrical resistance the greater.

The power p in watts w is equal to the voltage v in volts v times the current i in amps a. If you re replacing an old heater you must match the old heater s voltage. Room air conditioner 10 000 btu central air conditioner 24 000 btu box fan 20 ceiling fan. Typical baseboard heaters put out 250 watts per foot.

Volt is a measurement of voltage volts represent the electrical potential difference or pressure. Ampere or amp is a measurement of electrical current amps represent the rate at which electricity flows. The power p in watts w is equal to the squared current i in amps a times the resistance r in ohms ω. Our electric heater room size calculator will provide you with an estimate of the minimum size and quantity of radiators panel heaters or storage heaters your room will require to establish and maintain a temperature of 21 c within the uk based on a standard ceiling height of 2 3m.

P w i a v v. Space heaters are portable electric devices used for heating up a single room or an area of the house. Garage door opener. Multiply the area in feet by 10.

If that same room had no other source of heat you d need a 2 000 watt heater. The power p in watts w is equal to the current i in amps a times the voltage v in volts v. Household utility furnace fan gas or fuel only sump pump 1 3 hp well pump. Click calculate to find the energy consumption of a space heater using 1500 watts for 5 hours a day 0 10 per kwh.

In general the power required by electrical heating is calculated in watts.