Sun Power Solar installs and services domestic solar hot water systems. The most common system is the 4′ x 10′ flat plate collector panel that is mounted on the roof and connected to a 80 gallon storage tank. This tank also has an element that will turn on and heat the water in the tank when there is not efficient sunlight or heavier than normal usage (i.e., visitors, etc.). This system is sufficient for families of 4 or less. The next size system consist of 2 – 4′ x 8′ collector panels and a 120 gallon tank. This system is for families of 5-7 people.