Solar Hot Water System Panel Size

A typical solar hot water panel is 2 square metres and will supply 150 litres.

Solar hot water system panel size.

Z is the btu ft2 rating of the solar collector. Sizing ratio 1 15 8 34 x y z. For an 80 gallon tank then you will need 53 square feet of collector. Use the solar panel sizing calculator to determine the right amount of paneling you will need to heat your pool year round.

More importantly if this panel is used in the solar hot water heaters design the system can produce about 70 of this site s daily hot water on an annual basis. In the midwest and atlantic states you will need one square foot of collector per gallon of tank capacity. Having said that many 4 person households who are very water efficient get by just fine with a 150 litre system with 1 panel. Use the formula below to do this calculation.

A properly sized solar panel system will raise water temperatures adequately. At the end of the day a good installer will look at your usage and advise you exactly what size to go for. So a typical 4 person family will need a system sized at 300 litres which has 2 panels. X is your set point temperature typically 135f y is the well mains water temperature.