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Solar Heating in Brighton

Long-term Cost Savings

Cut your Bills

Hot water throughout the year

Low-maintenance costs

Solar Heating Systems Sussex

Watch the video below courtesy of The Energy Saving Trust to give you an overview of how solar heating systems can be of benefit to you.

How do solar water heating systems work?

Solar water heating systems use solar panels, called collectors, fitted to your roof. These collect heat from the sun and use it to heat up water which is stored in a hot water cylinder. A boiler or immersion heater can be used as a back up to heat the water further to reach the temperature you want.

There are two types of solar water heating panels: evacuated tubes andflat plate collectors, which can be fixed on the roof tiles or integrated into the roof.

Costs, savings and earnings

The cost of installing a typical solar water heating system is around £4,800 (including VAT at 5%). Savings are moderate - the system could provide most of your hot water in the summer, but much less during colder weather.


Maintenance costs for solar water heating systems are generally very low. Most solar water heating systems come with a five-year or ten-year warranty and require little maintenance.

Perhaps the most important thing you can check for yourself from time to time is whether there are any leaks. If there are any leaks of anti-freeze (even if you can’t see any liquid) this will have a strong smell. If you notice this you should contact us. In general you should keep an eye on your system to check that it is doing what it has been designed to do. If you are not getting hot water or the solar pipework is cold (when the pump is running) on warm, sunny days then again you should contact us.

You should have your system checked more thoroughly by Aquarius Solar every 3-7 years. It is likely that after this period of time the anti-freeze that is used to protect your system in the winter months will need to topped up or be replaced as it breaks down over time reducing the performance of your system. Anti-freeze lasts better if the solar water system is used throughout the year and not left unused during the warmest weeks of the year. This cost of replacing the anti-freezer is usually around £100.

The other thing that we check is the pump.  In a well maintained system, pumps can last for ten years plus and usually cost around £90 to replace.


Solar water heating systems can achieve savings on your energy bills.  Based on the results of our recent field trial, typical savings from a well-installed and properly used system are £60 per year when replacing gas heating and £85 per year when replacing electric immersion heating; however, savings will vary from user to user. Typical carbon savings are around 230kgCO2/year when replacing gas and 500kgCO2/year when replacing electric immersion heating.


You may be able to receive payments for the heat you generate from a solar water heating system through the government’s Renewable Heat Incentive. This scheme should be launched in Summer 2013. 

Is solar water heating right for your home?

You'll need around five square metres of roof space which faces east to west through south and receives direct sunlight for the main part of the day. The panels don't have to be mounted on a roof: they can be fixed to a frame on a flat roof or hanging from a wall.

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 usually 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. But if your boiler is a combination boiler (combi) and you don't currently have a hot water tank, a solar hot water system may not be compatible.

Information provided courtesy of The Energy Saving Trust and Aquarius Solar Heating