Quantity of water heaters to be purchased unit s 1 unit see assumptions for various daily water use totals.
Gas vs electric hot water heater calculator.
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.
Water heating whmmbtu gasfact number 1.
Use this calculator to compare natural gas versus other fuels and discover the environmental advantages of using natural gas in your home.
It allows comparison between your existing water heater and any number of electric or gas tanked or tankless water heaters.
Installation costs for an electric heater are 700 to 1 000 while the cost to install a gas heater ranges from 1 000 to 2 000 depending on whether you have an existing gas line and vent.
A tankless electric water heater has an average cost between 800 and 1 500 plus an additional 800 to 1 200 for installation.
Descaling a tankless water heater is important but it s also easy.
64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm.
Use the calculator to see how many gpm you need.
Faster flow rates or cooler inlet temperatures can sometimes reduce the water temperature at the most distant faucet.
This app will help you decide which water heater to buy.
Natural gas water heating.
I doubt you will need one bigger than 6 6 but check just to make sure.
Direct systems heat water in tubes inside the collector then send the water to a storage tank for later use.
We compared gas vs electric tankless water heaters the result.
Take a minute to calculate the amount of hot water your household needs on the busiest one hour period of time of any average day.
The comparison assumes a storage tank water heater as the input type.
A gas or electric water heater s energy factor ef is a measurement that compares the amount of hot water the heater produces per day to the amount of fuel it consumes.
An electric hot water heater ranges in costs from about 300 to 700 while a gas heater ranges from 400 to 800.
A storage tank and a back up source of hot water either a gas or electric tank water heater to ensure a supply of hot water on cloudy and cold days they work one of two ways.
The higher the ef number.
Compare to water heating.
Average daily usage gallons per day gallons.
It includes the cost of purchase and installation the cost of operation and factors in things like the lifetime of the heater.
Clothes dryer loads per week.
Or have a tank system to get hot water elsewhere.
