The Pros and Cons of Installing Solar Boiler Systems

If you’re facing an expensive boiler repair, or are looking to install a new, eco-friendly and effective hot water system, then the solar boiler system may be just the one for you. However, it’s always a good idea to weigh up the advantages and disadvantages so you can make an informed decision as to what’s best for your property.

Unlike gas, oil or coal, solar energy is clean, sustainable and renewable, with no harmful emissions, making it much better for the environment. In addition, using this sort of system, you are likely to save money on your energy bills as you are less dependent on oil or gas for your heating needs. According to recent statistics, solar systems can provide an average household with up to 50% – 60% of their annual hot water needs.

As the UK Government is keen to promote the use of renewable heat, such as solar power, they have introduced various incentives to encourage homeowners and organisations to change to this sort of system, such as The Renewable Heat Incentive (RHI) and The Renewable Heat Premium Payment (RHPP). You may even be eligible for a grant or one off payment towards the cost of installing your new system.

Does The System Work In The Winter Months?

It is important to note that not all your hot water needs can be met by a solar boiler system. As solar power relies on energy from the sun, during the winter months, it can only provide approximately 30% of your needs. Therefore, you will also need an alternative, back-up system, such as an immersion heater. It is also important to realize that this kind of system does not generate electricity; the energy from the sun is only used to heat water.

At first sight it appears that these systems can be expensive to install compared to other more conventional heating systems. It is true that the initial costs can be higher, but long term these costs can be offset by the savings on your energy bills. Please be aware that you will need to check if your current boiler is compatible with a solar water heating system – it’s best to ask the opinion of a professional plumber before committing to a purchase.


Solar heating systems are suitable for most buildings, as long as you have enough roof space for the heating panels, and room inside for the storage cylinder to hold your free hot water. If you care about the environment, and want to save money in the long term, then solar systems offer many advantages over conventional water heating methods.

Aquatek employs friendly, qualified London plumbers and services hundreds of locations across the capital.

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