Water Heater Energy Efficiency Standards

Doe has published a federal register final rule prescribing new energy conservation standards for consumer water heaters.

Water heater energy efficiency standards.

Energy star certified water heaters are an easy choice for energy savings performance and reliability. The higher the ef value is the more efficient the water heater. The following is a list of water heater options by fuel or energy source. The new uef rating method improves the industry s ability to.

For homes that use 41 gallons or less of hot water daily demand water heaters can be 24 34 more energy efficient than conventional storage tank water heaters. An older measure of water heater overall efficiency that is being phased out due to new test methods for water heaters. Exploring water heater options by fuel type. They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate.

Each product page provides. Doe has published a federal register notice request for information pertaining to energy conservation standards for residential water heaters. The easiest way to identify an efficient water heater is to look for the energy star symbol. The department of energy doe establishes energy efficiency standards for certain appliances and equipment and currently covers more than 60 different products.

85fr30853 may 21 2020. Define consistent standards for measuring energy efficiency performance. Authority to undertake this effort was granted by congress and doe follows a four phase process when reviewing existing and developing new standards. They can be 8 14 more energy efficient for homes that use a lot of hot water around 86 gallons per day.

Water heaters are the second highest source of energy usage in the home. A energy factor ef is an efficiency ratio of the energy supplied in heater water divided by the energy input to the water heater. Solar water heaters 75 000 btu h. Fuel type and its availability in your area may narrow your water heater choices.

Ef is determined by the department of energy s test method outlined in the 10 cfr parts 200 to 499 edition revised as of january 1 2014. Beginning june 12 2017 ef ratings will be replaced with the new industry standard for measuring energy efficiency in water heaters called uniform energy factor uef. Simplify the water heater selection. Tools to find energy efficient water heaters.

They perform the same as or better than standard products without compromising.