retrofit
retrofit means adding new measures or technologies to your existing building

This is most usually done during a renovation. If you are looking to make alterations to your building, then adding low energy measures is surprisingly simple. Consider adding insulation, making your building airtight, adding new energy-efficient windows and installing ventilation with heat recovery - do this and the energy performance of your building will be dramatically improved.

greentomatoenergy has lots experience in very low energy retrofits. We can advise you on the best methods, design the technologies, provide the best installers and show you and how best to integrate them and fit it all for you.

To read about a retrofit we are currently undertaking, click here

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It isn’t sunny enough for solar panels to work in the UK.

Truth: The UK receives between 1200... read more

It isn’t sunny enough for solar panels to work in the UK.

Truth: The UK receives between 1200 and 700 kWh of solar energy per metre squared. This might not mean much to you, but every meter squared of your house receives enough energy to meet a quarter of your electricity demand. PV panels are then able to convert between 12% and 18% of that into electricity for your home. The town of Freiberg in southern Germany is home to the largest solar PV plant in Europe and across the entire town solar PV provides 35% of electricity demand. Despite having a total installed capacity of 3,200 kW, Freiberg receives less solar radiation per square metre than southern UK.