Renewable Energy Solutions from Greenworks:

solar panels and ground source heat pump

, solar heating panels, domestic wind turbine, rainwater harvesting, underfloor heating uk, eco-friendly house
 

Evacuated tube solar collectors are amongst the most efficient, but most costly types of solar collectors.

These collectors are best suited for moderate temperature applications. The evacuated tube solar collectors have selective absorbers that collect sunlight energy in vacuum-sealed tubes. Their thermal losses are very low even in cold climates.

flat plate scheme

WHERE CAN THEY BE USED?

Evacuated tube collector systems are typically used for domestic purposes, however there are models available for commercial use. Ideally they need to be mounted to a south-facing wall or roof that receives direct sunlight for most of the day.

WHAT ARE THE BENEFITS?

  • Because of their 360° cylindrical design, evacuated tube solar collectors are able to capture light at many more angles than standard flat solar panels and will still work at full efficiency when the sun is lower in the sky.
  • They reduce CO2 emissions on an average domestic system by up to 400kg per year (depending on the fuel being replaced).
  • Easy to install and maintain.
  • They can be easily intergrated with other heating systems to meet additional hot water requirements.
  • Reduces hot water heating energy costs. Solar hot water can save money, reduce your carbon emissions, and can give you lower dependence on expensive imported energy.

INSTALLING SOLAR THERMAL SYSTEMS

There are a number of installation options available including surface-mounted options for pitch or flat roofs, A-frames, in-roof and complete roof installation, canopy or façade construction. Greenworks can advise you on the best solution for your project.


Solar thermal systems need to be:

  • Connected to a twin coil cylinder, which is often bigger than a standard hot water cylinder. One coil receives heat from the solar collector on the roof, while the second receives heat from the other main heat source.
  • when there is insufficient sunlight Greenworks offer a full range of hot water cylinders and can advise you on the correct size of cylinder for your project. Space should be allowed for these cylinders when planning your project. You will need 2-4m2 of South-East to South-West facing roof space. DIY jobs are not eligible for grant funding and the best practice is to use a professional installer.

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Did you know?
Thermal panels can heat 100% of water during the summer and save more than 50% of annual electricity costs for hot water throughout the year.