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.

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. 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. Either a gas burner or an electric element heats the water. 64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm.

Hours used per day. A typical water heater will use around 4000 watts. Click calculate to find the energy consumption of a water heater using 4000 watts for 3 hours a day 0 10 per kwh. When a hot water tap is turned on cold water travels through a pipe into the unit.

Typically a hot water heater that uses a tank will run for three to five hours per day. Average daily usage gallons per day gallons. The comparison assumes a storage tank water heater as the input type. So based on the price you can say that you will need to spend 33 monthly for a family of two.

A gallon of propane just costs 2 20 each. Propane usage monthly cost on a tankless water heater. 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. Tankless water heaters heat water directly without the use of a storage tank.