Gas Water Heater Efficiency Ratings

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

Gas water heater efficiency ratings.

In contrast gas water heaters with tanks up to 55 gallons only need a uef above 0 64 or 0 68 depending on how. Buying a water heater. It also has a maximum btu of 199 000 and can produce 9 8 gallons per minute. Products must meet minimum requirements for energy efficiency hot water delivery warranty period and safety.

The unit has an ef of 0 93 for natural gas or propane up to 94 percent thermal efficiency and an energy star rating. With the changing efficiency rules sometimes it can be hard to get a professional classic gas water heater. Learn how a product earns the label. For this model it comes with multiple features that should get you having a nice supply of hot water.

The more btus the faster the unit will heat water. To earn an energy star certification for example electric water heaters with tanks up to 55 gallons must have a uef greater than 2. It still gives you a classic design but a bit of modern touches. 0 60 gas lp or natural.

Average input ratings for a gas water heater range from around 30 000 to 180 000 btus depending on size. Electric water heaters range in power. The t h3 dv n is designed to cater to heavy duty demands with a remarkable flow rate10 gallons per minute gpm which is superior to most average water electric water heaters 2 4 gpm as well as outdoor gas heaters 8 gpm. That means that 58 60 of the energy that is being used to heat your water is effectively converted into heat.

Tanks with a storage capacity greater than 55 gallons must have a 77 ef rating or higher. The rinnai ru98ip is an outdoor gas powered tankless water heater. You will definitely have a good time working with the models from the rheem brand. Energy efficiency rating ef.

Gas lp or natural. 0 55 gas lp or natural. Gas lp or natural. This is perfect for mid to large sized households.

Oil no 2 home heating oil. Type of water heater. Due to inconsistent unreliable interpretations of high efficiency ef ratings across national brands all water heating manufactururers are now required to comply with the new doe testing procedures and rating standards. High efficiency gas fired water heater.

Epa criteria for gas tank water heaters ef rating must be at least 67 for units with a 55 gallon tank or less. The unit must have a fhr of 67 gallons per hour or more. The specification covers high efficiency gas storage whole home gas tankless solar and high efficiency electric storage water heaters. Efficiency standards for gas and electric water heaters are different but both use the uniform energy factor uef ratings system where higher scoring units produce more hot water while using less energy.

Water heater key product criteria. Conventional gas fired water heater. Most new water heaters have an efficiency factor ef of 58 60. Conventional oil fired water heater.

Pilotless gas fired water heater.