Jun 6th, 2014
The average residential solar hot water system includes the following components:
1. Solar Hot Water Collector (Evacuated Tube or Flat Plate)
2. Pump Station
4. Hot Water Storage Tank
5. Backup Energy Source
1. Energy in sunlight is absorbed by the solar collector, heating up the liquid inside.
2. The heated liquid is transferred back to the hot water tank by the circulation pump.
3. Throughout the day solar energy gradually raises the temperature in the hot water tank.
4. If the solar energy is not sufficient to provide hot enough water, a backup energy source (electricity, gas, oil etc) is used to further heat the water.
The following video provides an overview of the design of Apricus evacuated tube collectors, basic solar water system operation as well as guidelines for solar collector location, direction and installation angle.
To get a more complete understanding of how solar water heating works, please review the contents in Solar Basics.