Electric Heater Power Consumption Calculation

Hot water system components.

Electric heater power consumption calculation.

Click calculate to find the energy consumption of a space heater using 1500 watts for 5 hours a day 0 10 per kwh. Electric heating electricity cost calculator. A simple formula to estimate the energy required to heat a volume of water is. Choose the space heater you are interested in then simply enter the power rating of the heater in watts your cot per kwh an average cost is pre entered and roughly how many hours per day you will need to run the heater.

Before going on with the calculations we need to give you a brief about the following points. A typical water heater will use around 4000 watts. The energy e in kilowatt hours kwh per day is equal to the power p in watts w times number of usage hours per day t divided by 1000 watts per kilowatt. Electricity bill calculation energy consumption calculation.

The energy e in kilowatt hours kwh per day is equal to the power p in watts w times number of usage hours per day t divided by 1000 watts per kilowatt. We are open service tech support parts fast lead times from 6 local plants. E kwh day p w t h day 1000 w kw electricity cost calculation. This article is intended to help designers to choose the appropriate type and calculate the required power rating for thee chosen type of electrical water heater.

Dividing by 250 the normal wattage per linear foot equals 6 84 feet of baseboard heater required. Click calculate to find the energy consumption of a water heater using 4000 watts for 3 hours a day 0 10 per kwh. E c v deltat pr where e energy in kwh c specific heat of water 4 187 kj kgk or 1 163 wh kg c v volume of water to heat deltat th tc th temperature of hot water. Electric water heaters are typically running for 3 hours a day to heat water newer more efficient models may run for only half the time during each day.

Rounding up this means that 7 feet or 84 inches of heater is needed. Standard heaters are not available in this length so in this case a single 8 foot or two 4 foot heaters would be the likely choice. Formula to calculate electricity or gas consumption of water heating. Electric heaters whether they are fan heaters halogen heaters oil filled radiators or convector heaters are rated in watts w or kilowatts kw find out what your heater is rated at then use our energy calculator to see how much it will cost to run per hour day or week.