Running a bath will use approximately 60 80 litres of water.
Electric hot water heater cost per year.
The average person uses about 20 30 gallons of hot water per day next you can adjust your current water heater s energy factor as well as the energy factor of your new water heater.
Going by the examples given above where the electric heater costs 438 in fuel vs.
Consider both the purchase price and the long term costs of water heating options.
A natural gas water heater saves you approximately 180 a year compared to electric.
Generally speaking a gas water heater will cost less per month than an electric model since natural gas prices tend to be lower than the cost of electricity.
The comparison assumes a storage tank water heater as the input type.
224 for gas you would save 214 per year using gas although the exact numbers you see would depend on all the other variables in play such as the.
Natural gas 0 36 per m 3 electricity 0 11 per kwh.
Based on fuel rates as of december 2018.
The calculation for an electric heater is similar except.
Hot water immersion heater elements are usually rated at 3 or 6 kilowatts kw.
64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm.
At the bottom of the calculator are more settings you can adjust for further accuracy such as the cold water intake temperature the water heater temperature and the cost of electricity.
Annual energy cost annual emissions kg year gas room heater 3 star natural gas 530 1 680 5 star natural gas 455 1 440 3 star lpg 1 305 1 935 5 star lpg 1 115 1 655 electric room reverse cycle 2 star 555 2 245 5 star 380 1 535 electric portable heater no ratings 1 605 6 525 electric fixed heater.
A 50 gallon 5 500 watt water heater with a 90 ef and an electricity rate of 16 per kilowatt hour will cost 781 to operate each year.
Most water heaters include a label listing the annual.
Average daily usage gallons per day gallons.
Electric immersion water heater running costs calculator.
Electricity tariffs are based on a general or peak rate of 31 9c kwh and an off peak rate of 20 9c kwh.
For a heater with an energy factor of 6 and a propane cost of 3 89 per gallon or 00004251 per btu that works out to 1 061 per year.
Annual energy costs are based on a melbourne household with the stated average daily hot water use.
Compare natural gas water heating costs to electricity for your area.
Hot water cylinders tanks come in many shapes sizes and capacities ranging from 40 to over 400 litres in larger homes.