Water heaters are one of the top energy consuming appliances in residential applications which makes it important for plumbing and contracting pros to help customers find a water heater that is energy efficient.
Solar water heater energy star rated.
The energy star program was established by epa in 1992 under the authority of the clean air act section 103 g.
Federal income tax credits and other incentives for energy efficiency.
An energy star certified solar water heating system can cut your annual hot water costs in half and is generally designed for use with an electric or gas back up water heater.
Water heaters water heaters that earn the energy star come with gas solar or electric heat pump technology.
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.
The higher the number the more energy efficient.
The tax credit for builders of energy efficient homes and tax deductions for energy efficient commercial buildings have also been retroactively extended through december 31 2020.
They heat your water just like standard models but with much less energy saving you up to 3500 over a unit s lifetime.
An older measure of water heater overall efficiency that is being phased out due to new test methods for water heaters.
They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate.
Epa ensures that energy star provides the trusted information critical to an efficient private market information that american businesses and consumers rely on every day.
Solar water heaters also called solar domestic hot water systems can be a cost effective way to generate hot water for your home.
Tax credits for residential energy efficiency have now been extended retroactively through december 31 2020.
Current specification effective date.
Use the solar energy factor sef and solar fraction sf to determine a solar water heater s energy efficiency.
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.
By heating water only when you need it energy star certified tankless water heaters save a family of four 95 per year or 1 800 over the lifetime of the water heater on gas bills compared to a standard storage model.
They can be used in any climate and the fuel they use sunshine is free.
The environmental protection agency or epa developed the energy star program in order to make it simple for consumers to know which appliances are the most energy efficient.
The solar energy factor is defined as the energy delivered by the system divided by the electrical or gas energy put into the system.