Solar Water Heater Energy Star Rated

They can be used in any climate and the fuel they use sunshine is free.

Solar water heater energy star rated. The higher the ef value is the more efficient the water heater. Solar water heaters also called solar domestic hot water systems can be a cost effective way to generate hot water for your home. Federal income tax credits and other incentives for energy efficiency. An older measure of water heater overall efficiency that is being phased out due to new test methods for water heaters.

The solar energy factor is defined as the energy delivered by the system divided by the electrical or gas energy put into the system. They use less energy than standard models saving homeowners money on their utility bills while helping protect the climate. They heat your water just like standard models but with much less energy saving you up to 3500 over a unit s lifetime. Energy star certified water heaters are an easy choice for energy savings performance and reliability.

The higher the number the more energy efficient. The energy star program was established by epa in 1992 under the authority of the clean air act section 103 g. Water heaters are the second highest source of energy usage in the home. 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.

Use the solar energy factor sef and solar fraction sf to determine a solar water heater s energy efficiency. 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. 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. 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.

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. Solar energy factors range from 1 0 to 11. Current specification effective date. 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 heating systems include storage tanks and solar collectors.