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. So a typical 4 person family will need a system sized at 300 litres which has 2 panels. Sizing ratio 1 15 8 34 x y z. A properly sized solar panel system will raise water temperatures adequately.

This particular solar water panel on average will produce 27 100 btu a day with mildly cloudy solar conditions. At the end of the day a good installer will look at your usage and advise you exactly what size to go for. 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.

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. Use the solar panel sizing calculator to determine the right amount of paneling you will need to heat your pool year round. X is your set point temperature typically 135f y is the well mains water temperature.