Solar Water Heater Sizes

The solar domestic water heaters efficiency and performance will heavily depend on panel or collector and storage tank sizing.

Solar water heater sizes.

In the midwest and atlantic states you will need one square foot of collector per gallon of tank capacity. Sizing your solar water heating system basically involves determining the total collector area and the storage volume you ll need to meet 90 100 of your household s hot water needs during the summer. Most professional solar installers agree that solar domestic water heaters should adequately supply about 90 to 100 of a site s total hot water use during the warmest and sunniest months of the year. They say that you should have half of the pool surface area in solar panels.

The conventional estimates for surface area of solar collectors are as follows. Its water tank rivals standard electric or natural gas systems but eliminates the need for costly energy consumption as it s equipped with a solar water heater collector. For an 80 gallon tank then you will need 53 square feet of collector. Duda diesel s popular solar water heater comes in a variety of sizes but the 200 liter 53 gallon system is the best for residential use.

For example a 16 32 pool would have 16 x32 512 square feet of surface area. Solar system contractors use worksheets and computer programs to help determine system requirements and collector sizing. Sun belt region or 12 14 square feet for each additional household member in the northern u s.