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Why choose MCS-certified
MCS is the UK's quality standard for renewable home installations. MCS certification is required for government grants and most green-finance products.
Solar thermal installation — common questions
What is the difference between solar PV and solar thermal?
Solar PV (photovoltaic) panels generate electricity from sunlight. Solar thermal panels use sunlight to heat water directly, feeding a hot water cylinder. Solar thermal is usually cheaper than solar PV but only provides hot water — not electricity. It's particularly effective for households with high hot water demand.
How much of my hot water can solar thermal provide?
In the UK, a well-designed solar thermal system typically provides 40–60% of a household's annual hot water. The percentage is higher in summer and lower in winter — you'll always need a backup heater (gas, heat pump, or immersion) for cloudy periods and peak demand.
Do solar thermal systems need planning permission?
Most solar thermal installations are permitted development (no planning permission needed). Exceptions include listed buildings and some conservation areas. Your installer will confirm whether any permissions are required for your specific property.