Water Heater Electricity Consumption

To help consumers in their water heater purchase decisions the department of energy has developed new industry standards.

Water heater electricity consumption.

A 4 kw water heater running for 20 minutes daily will consume 1 33 kwh of electricity in a day and 40 kwh of electricity in a month. A water heater is one of the most common household appliances that are used to heats water in your home or office. A typical water heater will use around 4000 watts. A water heater uses 4000 to 9500 watts the average energy consumption of a water heater is 4000 watts using the below tools you can easily calculate water heater cost.

Electric water heaters are typically running for 3 hours a day to heat water newer more efficient models may run for only half the time during each day. The alternative is to use an electric water heater even though the water heater uses natural gas as its primary fuel some models do indeed use electricity to get the pilot light burning. There are 2 types of water heater widely used for household purpose one is on demand water heater tank less and other is conventional water heater with tank. Ever researched water heaters before a purchase then you ve probably compared high efficiency mid efficiency and standard efficiency information.

Set your water heater s temperature to 120f or lower. Lifetime energy cost is the sum of the discounted value of the annual energy costs based on assumed water heater life of 13 years. Future electricity price trends and a discount rate of 3 2 are based on federal guidelines. An average water heater will run about 3 hours a day and uses 4500 watts adding up to 13 5 kwh per day or 405 kwh per month.

120 volt elements consume 1125 watts while residential 240 volt heaters use 4 500. Use these tips to take the heat off your energy bill. As another often used appliance your water heater comes in second at 14 percent of your home s energy usage. Electricity consumption water heating systems are the second biggest user of electricity in the home accounting for an average of 18 percent of electricity costs explains the u s.

Generally speaking these units will consume less energy than a traditional hot water heater although how much electricity tankless water heaters use will still depend on the demand you create in your home. This piezoelectric starter makes a spark which ignites the natural gas to start heating the water you ll use to take your nice warm shower. Click calculate to find the energy consumption of a water heater using 4000 watts for 3 hours a day 0 10 per kwh. Tankless water heaters warm up water on demand rather than storing a reservoir that is kept hot at all times.

Water heater rated power.