Tankless Water Heater Kwh Usage

Quantity of water heaters to be purchased unit s 1 unit see assumptions for various daily water use totals.

Tankless water heater kwh usage. You don t need to wait for a storage tank to. A gallon of propane just costs 2 20 each. Hours used per day. Click calculate to find the energy consumption of a water heater using 4000 watts for 3 hours a day 0 10 per kwh.

Either a gas burner or an electric element heats the water. A typical water heater will use around 4000 watts. 64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm. While tankless water heaters run more efficiently than storage tank water heaters replacing a tank water heater with a tankless can be expensive and the payback time can be longer than the warranty.

Average daily usage gallons per day gallons. Enter how many hours the device is being used on average per day if the power consumption is lower than 1 hour per day enter as a decimal. As a result tankless water heaters deliver a constant supply of hot water. Typically a hot water heater that uses a tank will run for three to five hours per day.

So based on the price you can say that you will need to spend 33 monthly for a family of two. Propane usage monthly cost on a tankless water heater. The comparison assumes a storage tank water heater as the input type. You can come up with a cost estimate by multiplying the number of watts your heater uses by the price you pay per kwh by the number of hours the heater is active per day then dividing by 1 000.