How does solar thermal differ from solar PV?

Solar thermal heats water directly using the sun's thermal energy, while solar PV generates electricity from sunlight. Solar thermal is more efficient per panel for hot water production. Both can work together for maximum energy savings.

Does solar thermal work in winter?

Yes, though output is reduced during shorter, cloudier winter days. Your existing boiler or heat pump tops up any shortfall automatically. Over the year, solar thermal typically covers 50-70% of your hot water demand.

Is my roof suitable for solar thermal?

Most roofs facing south, south-east, or south-west with a pitch between 20-50 degrees are suitable. We assess shading, orientation, and structural suitability during our free site survey to confirm viability.

How long do solar thermal panels last?

Quality solar thermal panels have a lifespan of 25 years or more. They require very little maintenance – typically just an annual fluid pressure check and antifreeze top-up, which we include in our service plans.

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Solar thermal panel installations to reduce your hot water bills using free renewable energy from the sun.

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Professional Solar Thermal St Albans Solutions

Solar thermal panels capture energy from the sun to heat your domestic hot water, significantly reducing your reliance on gas or electricity. Aphex Heating provides MCS certified solar thermal installations across St Albans.

A well-designed solar thermal system can provide 50-70% of your annual hot water needs, with the highest output during spring and summer months. The system integrates with your existing boiler or heat pump to ensure hot water is always available.

Solar thermal works exceptionally well alongside heat pump installations, creating a highly efficient, low-carbon heating and hot water solution. Our engineers design each system to match your roof orientation, household size, and hot water demand.

MCS certified solar thermal installations

Flat plate and evacuated tube panels available

Integrates with existing boilers and heat pumps

Hot water cylinder upgrade included if required

Typical 50-70% reduction in hot water energy use

Minimal maintenance required over 25-year lifespan

Suitable for most roof orientations and pitches

Free site survey and energy assessment included