Annual usage will also depend on the efficiency of your house.
Water heater propane usage.
Conversely the average 50 gallon electric storage tank water heater has an average first hour delivery rating of just 64 gallons while a 50 gallon heat pump water heater averages about 67 gallons.
Average daily usage gallons per day gallons.
How much gas does a hot water heater use.
Propane tankless water heaters provide an endless supply of hot water averaging over 200 gallons hour.
To watch the marey power gas 10l 2 7 gpm propane gas tankless water heater with digital panel review on youtube click here.
64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm.
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.
Then you will use approximately 5 gallons per month person.
Propane gas water heater the rule of thumb here is that you will use a baseline of 5 gallons per month just to keep the water heater running.
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.
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.
Propane usage monthly cost on a tankless water heater a gallon of propane just costs 2 20 each.
Quantity of water heaters to be purchased unit s 1 unit see assumptions for various daily water use totals.
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.