Solar Thermal. Free Hot water from the Sun.
Solar water heating systems use Solar panels, called collectors, fitted to your roof. These collect heat from the sun and use it to warm water which is stored in a hot water cylinder. Solar water heating systems use free heat from the sun to warm domestic hot water. A conventional boiler or immersion heater is used to provide hot water when solar energy is unavailable.
A standard system will provide 50/70% of your homes hot water all year round. Providing hot water throughout the year, cutting your carbon footprint and saving you money!
The benefits of solar water heating
•Hot water throughout the year: the system works all year round, though you'll need to heat the water further with a boiler or immersion heater during the winter months.
•Cut your bills: sunlight is free, so once you've paid for the initial installation your hot water costs will be reduced.
•Cut your carbon footprint: solar hot water is a green, renewable heating system and can reduce your carbon dioxide emissions.
Is a solar water heating system suitable for my home?
To tell if solar water heating is right for you, there are a few key questions to consider:
• Do you have a sunny place to put solar panels? You'll need around 5 square metres of roof space which faces east to west through south and receives direct sunlight for the main part of the day. Alternatively, if you do not have a south facing roof and if you have space, you could install two panels, one facing east and one facing west - but this will make installation more costly. The panels don't always have to be mounted on a roof, they can be fixed to a frame on flat roofs.
• Do you have space for a larger, or an extra, hot water cylinder? If a dedicated solar cylinder is not already installed then you will need to replace the existing cylinder, or add a dedicated cylinder with a solar heating coil.
• Is your current boiler compatible with solar water heating? Most conventional boiler and hot water cylinder systems are compatible with solar water heating. However if your boiler is a combination boiler (combi) and you don't currently have a hot water tank then a solar hot water system may not be compatible unless you have space for a separate hot water cylinder.
• Do you need planning permission? In England most solar water heating systems don't need planning permission, but it is always best to consult your local planning office if you live in a Listed Building, or a building in Conservation Area or World Heritage Site. If you live in Wales, Scotland or Northern Ireland you will need to consult your local authority.
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