So based on the price you can say that you will need to spend 33 monthly for a family of two.
Water heater propane usage.
Typically a hot water heater that uses a tank will run for three to five hours per day.
How much gas does a hot water heater use.
64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm.
Then you will use approximately 5 gallons per month person.
Propane tankless water heaters provide an endless supply of hot water averaging over 200 gallons hour.
With this propane tankless water heater not only can you enjoy hot showers but you can also use the water to boil your chicken and broccoli for dinner.
Annual usage will also depend on the efficiency of your house.
A family consisting of 3 to 4 members will need to spend 55 dollars a family consisting of more than 5 members need to spend 77 to 88 each.
Quantity of water heaters to be purchased unit s 1 unit see assumptions for various daily water use totals.
The comparison assumes a storage tank water heater as the input type.
So a 4 000 watt heater used for three hours a day at 10 per kwh will cost 1 20 per day about 36 50 per month or 438 per year.
To calculate the annual operating cost of a propane water heater you need to divide 41 045 by the heater s energy factor and multiply the result by 365 and the fuel cost per british thermal unit.
Average daily usage gallons per day gallons.
Propane usage monthly cost on a tankless water heater a gallon of propane just costs 2 20 each.