Gas Vs Electric Water Heater Calculator

64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm.

Gas vs electric water heater calculator. Standard gas water heaters have an ef of about 50 to 60. The comparison assumes a storage tank water heater as the input type. Gas water heaters typically cost about 30 a month to run while electric water heaters run closer to 42 a month depending on utility rates. Most gas fired water heaters have an energy factor ef number set by the u s.

It includes the cost of purchase and installation the cost of operation and factors in things like the lifetime of the heater. Typically a 70ºf 39ºc water temperature rise is possible at a flow rate of 5 gallons per minute through gas fired demand water heaters and 2 gallons per minute through electric ones. Gas water heaters are less energy efficient than electric heaters but the cost of electricity itself makes the running costs of an electric heater higher. The bigger the ef number the more efficient the appliance.

Maintenance both gas and electric water heaters are fairly easy to maintain. Average daily usage gallons per day gallons. This app will help you decide which water heater to buy. The higher the ef number.

Faster flow rates or cooler inlet temperatures can sometimes reduce the water temperature at the most distant faucet. You ll find both gas and electric models. Electric water heater operating costs bluejay says that gas is almost always cheaper than electric assuming that you already have natural gas piped into your home. Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates.

After analyzing gas vs. This makes the total cost for a 40 gallon electric hot water heater between 1000 and 1 700 with the total costs of a 40 gallon gas hot water heater between 1 400 and 2 800. Quantity of water heaters to be purchased unit s 1 unit see assumptions for various daily water use totals. So i need to know what size tankless water heater is best for a family of 4.

Water heater cost calculator. Figuring out the annual operating cost of a water heater involves consideration of the heater s efficiency and the cost of the fuel needed to run it. Electric water heater operation costs. It allows comparison between your existing water heater and any number of electric or gas tanked or tankless water heaters.

On the other hand. Department of energy to help consumers compare the efficiency of similar appliances.