The energy factor measures a water heater s overall efficiency by comparing the amount of energy coming in to the heater to the amount of energy it puts out.
What is the most energy efficient gas water heater.
The company sells water heater models in gas electric tankless solar and hybrid styles.
Making it one of the most energy efficient gas powered tankless water heaters.
Solar water heaters are great but they often work better as a secondary system heating the water or keeping it hot without eliminating the availability of water heated by gas or electric.
Even a small solar water heater can cut your annual energy costs dramatically depending on your climate and in some cases larger systems make gas or.
Energy star certified gas storage water heaters are an easy choice for energy savings performance and reliability.
Heat pump hybrid water heater.
This is another top quality gas water heater that you can get for the house right now.
Read our gas storage water heater fact sheet pdf 83 kb to learn more.
It is made to be impressive in terms of energy efficiency.
For example an electric heat pump water heater typically is more energy efficient than an electric conventional storage water heater.
A higher number indicates a more efficient model.
An ef generally ranges from as low as 0 5 to as high as 2 0 but the numbers vary between models.
This gas water heater is energy star rated and has a 12 year warranty.
Energy star certified water heaters are an easy choice for energy savings performance and reliability.
Also an electric heat pump water heater might have lower energy costs because of its higher efficiency than a gas fired conventional storage water heater even though local natural gas costs might be lower than.
We looked at the rheem gladiator water heater as a reference point for our guide.
7 rheem rtgh 84xln outdoor natural gas condensing tankless water heater.
They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate.
Its reputation for manufacturing durable reliable water heaters makes it a good choice for most homes.
It comes with an impressive energy factor of 0 82.
Water heaters are the second highest source of energy usage in the home.
The unit has a wide minimum to maximum gas burn rate ranging from 15 200 199 000 btu and hot water flow rate that ranges from 0 26 to 9 8 gpm and an extremely low minimum activation flow rate of 0 4 gpm.
These models use up to 60 percent less energy than a typical water heater.
Heat pump water heaters take heat from the air and use it to heat your water.