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Oct 21, 2014
Solar Water Heating: In the Shadow of PV
It would be hard not to notice the rush of activity in the worldwide photovoltaic marketplace in recent years, but you may not have...


Aug 15, 2011
Thermosiphon Water Heater
A thermosiphon system – also called a thermosyphon solar water heater – has a tank connected to a flat plate-collector. Thermosyphon...


Aug 13, 2011
Is Solar Water Heating Worth It?
For a homeowner, solar water heating often produces better returns than photovoltaics. Depending on a circumstances specific to you,...


Aug 12, 2011
How Much Does a Solar Hot Water System Cost?
The cost of solar water heaters, like solar PV systems, is reasonably high up-front, but is likely to be less than conventional water...

Aug 8, 2011
What Size Should My Solar Water Heater Be?
You should decide on the size of your hot water heating system with the advice of a solar professional. Here are the two primary...


Aug 8, 2011
Components of a Solar Hot Water Heating System
The following components commonly found in a solar water heating system. Your system may not require some of these components, depending...


Aug 7, 2011
Solar Heat Exchangers
These facilitate solar heat exchange between the transfer fluid to the home water supply. Solar heat exchangers are often made from...


Aug 7, 2011
Heat Transfer Fluids
Heat transfer fluids transmit the heat from solar collectors to the water for the home. The heat transfer fluid flows through the...


Aug 7, 2011
Evacuated Tube Collectors
An evacuated tube solar collector is composed of hollow glass tubes. All the air is removed from the tubes to create a vacuum that acts...

Aug 7, 2011
Flat Plate Solar Collector
A flat plate solar collector is an insulated box covered by glass or plastic with a metal absorber plate on the bottom. The...

Aug 7, 2011
Batch Solar Water Heaters
Batch solar water heaters, also called integral collector-storage (ICS) systems, are made up of a water tank or tubes inside an...


Aug 7, 2011
Evacuated Tube Collectors
An evacuated tube solar collector is composed of hollow glass tubes. The air between the tubes is pumped out, while the outside of the...

Jul 25, 2011
Flat Plate Solar Collectors
Flat Plate Solar Collector Design Photo Credit: Physics World A glazed flat plate solar collector is an insulated box covered by glass or...

Jul 7, 2011
Passive Solar Water Heating
Passive solar water heaters do not use additional energy from pumps, but rather rely on gravity, to circulate the water. While often more...


Jul 7, 2011
Active Solar Water Heating
There are two types of active solar hot water systems: Direct Circulation Systems A direct circulation system pumps water through the...


Jul 7, 2011
Solar Water Heating Systems
Solar water heating systems for homes have two main parts: solar collectors and storage tanks. First, heat from the solar collector warms...
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