Despite being a little slower to take off in the UK than its electricity-generating counterpart, solar thermal panels are an effective way to slash hot water bills. Using only free energy from the sun, this microgeneration technology can provide up to 60% of your annual domestic hot water needs. What’s more, they don’t produce any carbon emissions in the process, they’re fully automated, and they have typical working lifespans of over 25 years.

How do solar thermal panels work?

Energy from the sun warms the solar collectors fixed onto your roof. The liquid inside these collectors (a mixture of water and glycol) is heated to a suitable temperature, before it’s passed through a heat exchanger coil inside your solar hot water cylinder.

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