Domestic Residential Solar Water Heating Systems heat the water you use in your home. The same hot water you use to take a shower or a bath. The same hot water you use to wash your cloths and dishes.
Hot water represents 15% - 25% of your homes energy usage. This means that hot water can represent up to 50% of your gas bill or up to 25% of your electric bill. A Solar Hot Water system can lower those costs by as much as 80% for 30 years or more.
There are solar hot water systems out in the real world that are still working after more than 100 years. A little maintenance once every 7-10 years and most solar hot water system can last more than 50 years.

Swimming Pool Solar Water Heating Systems heat the water in your Swimming Pool. These systems can extend your swimming season by as much as four extra months and they can also cut the costs of heating your swimming pool by as much as 100%.