Solar Thermal
A solar thermal system is designed to work as a solar pre-heat for a conventional gas system. The solar collector absorbs heat from sunlight and sends the heated water into a separate storage tank. Sensors determine if the water needs additional heating before entering the hot water system in the building. Solar pre-heating reduces the amount of natural gas needed to heat water by increasing the temperature of water entering the conventional storage tank and heating system. For example, solar pre-heated water may enter the storage tank at 90°F and thus need to be heated by 30° before leaving the hot water tank. A conventional system receives water at 60° and requires the amount of energy necessary to raise the temperature to 120°. In this example, the solar preheat reduces the amount of energy needed by one half.
Occidental Power has over 50 years combined experience designing, installing, servicing and maintaining most of the commercial and residential solar water heating systems in San Francisco. Included in this list is the solar water heating system at the University of San Francisco, which is the largest solar thermal installation in the city.
Other solar thermal services offered by Occidental include:
- Design and installation of new systems
- Removal and reinstallations of systems prior to, and after the installation of a new roof
- Panel repair
- Preventative maintenance inspections
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