Solar Thermal Heating

What is Solar Thermal Heating?

Solar Thermal Heating is an innovative way to capture solar energy directly from the sun in order to naturally heat water and supplement the hot water demands in your home.

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Solar Thermal Panels at our Renewables Training Centre

How does Solar Thermal Heating work?

Solar thermal works in a similar way to leaving a hosepipe out in the sun. It generates renewable heated water using a flat plate solar panel called a collector that is fitted to the side of your roof. Inside the collectors are coils of copper pipe which, when you add sunshine, heat up the water that is slowly moving inside them.

There is a transfer fluid that we push through the pipes and once this reaches the required temperature it is pumped into a heat exchanger within a large storage tank (we call this a thermal store). This ‘transfer fluid’ then literally transfers its heat into the hot water through the heat exchanger and the hot water that we all know and love stays in the thermal store ready for whenever you need it.

When the water within the thermal store falls below a set temperature the pump simply starts up and the process is repeated again.

Why should I invest in Solar Thermal?

Well the main selling point is that sunlight is free so although you have an initial outlay for installation you hot water bills could be reduced by up to 80% every year – forever!

Solar Thermal helps to provide hot water throughout the year so even on cold days when the sun is still shining, hot water can still be produced.

All Solar Thermal installations are covered under the RHI Scheme so you can earn an extra income simply by installing panels on your roof.

Benefits of Solar Thermal Heating

  • Lower installation cost than typical PV solar for same KW production
  • Works all year round
  • Extremely low maintenance
  • Fully automated
  • Excellent as a link in system to biomass