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.

A typical water heater will use around 4000 watts. Propane usage monthly cost on a tankless water heater. So based on the price you can say that you will need to spend 33 monthly for a family of two. You don t need to wait for a storage tank to.

Click calculate to find the energy consumption of a water heater using 4000 watts for 3 hours a day 0 10 per kwh. Hours used per day. The comparison assumes a storage tank water heater as the input type. 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.

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. 64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm. A gallon of propane just costs 2 20 each.

As a result tankless water heaters deliver a constant supply of hot water. Average daily usage gallons per day gallons. When a hot water tap is turned on cold water travels through a pipe into the unit. Either a gas burner or an electric element heats the water.