call us on
01349 877 029
call us on
01349 877 029

Solar Thermal


Solar thermal can provide a clean, renewable source of hot water, even in Scotland.

How it works

A solar water heating system uses solar collectors, usually mounted on a roof, to capture energy from the sun. There are two types of collector: flat plate and vacuum tube.

With a direct system, the water flowing through the system also comes out of the taps. With an indirect system a heat transfer fluid is used instead.

An electronic controller compares the temperature of the solar collectors with the temperature of the water in the cylinder. If the collectors are hotter than the cylinder, the controller switches on the system, and circulates the heat transfer fluid through the cylinder’s heat exchanger. This heats the cylinder in just the same way as a central heating boiler. For information on solar for electricity, see the Solar PV page.

Benefits of solar thermal

  • Solar thermal panels can provide up to 70% of the energy needed for your home’s hot water requirements.
  • Solar water heating systems can provide most of the hot water you need during sunny summer months, but can also make a useful contribution in the winter.
  • Best suited for use for baths and showers
  • Good for swimming pools.
  • Can be used by industry, hospitality, and agriculture.
  • Can be combined with other renewables products to reduce your reliance on fossil fuels.

Find Us.

Black Isle Renewables Ltd,
Craig Road,
Dingwall, Ross-shire IV15 9LE
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Call us on
01349 877 029