Domestic Water Heaters
Domestic Water Heaters accounts for about 18% of your home's energy use according to energy.gov. There are three main
SR: Solar thermal water heating (using heat from the sun to warm water) is the most cost- and energy-efficient renewable energy alternative for water heating. This is because renewable electric systems, like solar electric and onsite wind power, have substantial energy loss when converting electricity to heat. With solar thermal water heating, there are a multitude of options, and the best choice for you will depend on your local climate and architectural factors.https://www.energy.gov/articles/askenergysaver-home-water-heating
SR: It depends on a number of factors, including the amount of water used, frequency of use, and how electric and gas prices compare in your area. However, generally the heat pump water heatersthat are more efficient have comparable efficiency to instantaneous gas water heaters and are much more energy efficient than instantaneous electric water heaters.