Water Heater Ratings Energy Star

This will give you the annual operating cost for a heat pump water heater.

Water heater ratings energy star.

Energy star certifiedwater heaters. Although these performance metrics are different certification as energy star by either method requires equivalent efficiency. Energy star certified water heaters are an easy choice for energy savings performance and reliability. Water temperature must be controlled up to 180 f.

Efficiency and performance for energy star certified water heaters may be evaluated using two different methods. They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate. Water heaters are the second highest source of energy usage in the home. If a water heater meets these requirements then it is eligible to be included in the energy star program.

Water heaters that earn the energy star come with gas solar or electric heat pump technology. A water heater can be certified as energy star by meeting energy factor ef standby loss and or thermal efficiency criteria or by meeting uniform energy factor uef criteria. They heat your water just like standard models but with much less energy saving you up to 3500 over a unit s lifetime. The tank must hold a maximum of 1 gallon of water per 4 000 btu per hour of input.