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.
Gas vs electric hot water heater calculator.
Electric hot water heater cost and efficiency.
Electric water heater operation costs.
Average daily usage gallons per day gallons.
64 energy factor 0 92 electric 0 61 gas energy cost 0 06 per kwh 60 per therm.
The comparison assumes a storage tank water heater as the input type.
Direct systems heat water in tubes inside the collector then send the water to a storage tank for later use.
It includes the cost of purchase and installation the cost of operation and factors in things like the lifetime of the heater.
Michael bluejay aka mr.
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.
An electric hot water heater ranges in costs from about 300 to 700 while a gas heater ranges from 400 to 800.
Or have a tank system to get hot water elsewhere.
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.
Electricity has spent his career analyzing and understanding energy use including hot water heater energy savings and the differences between gas vs.
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.
Electric water heater operating costs.
Descaling a tankless water heater is important but it s also easy.
The higher the ef number.
This app will help you decide which water heater to buy.
Gas units typically heat water faster than electric ones.
Quantity of water heaters to be purchased unit s 1 unit see assumptions for various daily water use totals.
Water heater cost calculator.
For the most part the choice boils down to understanding gas vs.
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.
Use the calculator to see how many gpm you need.
It allows comparison between your existing water heater and any number of electric or gas tanked or tankless water heaters.
The flow rate for tankless water heaters is measured in gallons per minute of hot water the machine can produce.