The benefits of solar hot water

Solar hot water systems deliver reasonable financial benefits when the Renewable Heat Incentive and RHPP are taken into account:

  • Reduced heating costs: By converting free sunlight into heat, you can reduce your heating and hot water bill by as much as £80 a year, with the RHPP scheme giving a grant of £300. With the Renewable Heat Incentive included, this saving will be even greater.
  • Reduced carbon footprint: Energy from the sun produces no carbon dioxide or other harmful greenhouse gases.
  • Hot water all 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.
  • Low maintenance: Most solar water heating systems come with a 5-10 year warranty and require little maintenance.

Calculate your savings!

Typical Savings

Solar water-heating can provide you with about half of your hot water needs. In a study by BRE, 6 houses fitted with solar water heating were monitored and the energy savings in heating and hot water varied from 26 – 70%. The average was 50%, which is an average saving of 1,200 kWh of energy per year.

Energy Saving Trust studies suggest savings based on the hot water and heating requirements of a 3 bed semi-detached home with a 3.4m2 collector are £80 a year for a home using electricity, and £55 per year for a gas heated home.

What to do next?

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FAQs

What guarantees should I expect with solar thermal panels?
These will vary between makes, but typically solar thermal collectors should be guaranteed for around 10 years. Other components and labour are usually guaranteed for 5 years.
Are solar thermal collectors or panels fragile?
Not typically - they are designed to withstand the elements so they should be quite robust. All MCS accredited products should last their predicted 20 year lifetime.
Do I need permission from Building Control to install solar thermal panels?
A buildings notice is usually not required for solar thermal panels as long as the units are below a certain height when installed. This will depend on your local authority, and whether your building is listed or in a conservation area, so you should contact your local office to confirm. You can find more information about Planning permission for solar panels here.
Can I heat my swimming pool with solar thermal panels?
Yes, Solar thermal water heating can be a very effective for pools.
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