thermal hot water
Solar water heating systems use heat from the sun to work
alongside your conventional water heater. The technology is
well developed with a large choice of equipment to suit many
• can provide almost all of your hot water during the summer
months and about 50% year round
• reduces your impact on the environment - the average
domestic system reduces carbon dioxide emissions by around
400kg per year, depending on the fuel replaced.
Different types of system
What best suits your needs depends on a range of factors,
including the area of south facing roof, the existing water
heating system (e.g. some combi boilers aren't suitable) and
Solar water heating and your home
Solar water heating can be used in the home or for larger
applications, such as swimming pools. For domestic hot water there are three main components:
solar panels, a heat transfer system, and a hot water
cylinder. Solar panels - or collectors - are fitted to your
roof. They collect heat from the sun's radiation. The heat
transfer system uses the collected heat to heat water. A hot
water cylinder stores the hot water that is heated during
the day and supplies it for use later.
Is my property suitable?
Preferably you will need 2-4m2 of southeast to southwest
facing roof receiving direct sunlight for the main part of
the day. You'll also need space to locate an additional
water cylinder if required.
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