Solar Thermal Filling


It is absolutely crucial that you hire a professional to fill and service your solar thermal system. If the system is not dosed with a Glycol mixture, the panels and external pipework will freeze, causing pipework leaks and potentially catastrophic panel failure.

Some so called solar thermal engineers fail to fill with Glycol and instead fill the system directly from the mains water supply. This is totally incorrect, and when the water freezes in cold weather, the panels will be catastrophically damaged.

We fill solar thermal systems with the correct concentration of Glycol, and we use a market leading Rothenberger Ro Solar pumped filling machine to ensure full Glycol dosing and complete expelling of all air, to ensure your system neither freezes or fails to circulate.

We are the best company to fill your solar thermal system in Brighton, Hove and Sussex, so give us a call to book us in.


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Option Energy Solutions Ltd is an Introducer Appointed Representative and provides a pure client Introduction through Improveasy Ltd., a company registered in England and Wales (Co. Reg. number 7807352). Registered Office: Manchester Business Park, 3000 Aviator Way, Manchester M22 5TG. The firm is authorised and regulated by the Financial Conduct Authority (FRN 708623). The firm is authorised as a Lender (limited only to green deal finance plans). It also acts as a Broker, not a Lender, and offers credit facilities from a panel/one lender. The credit is subject to application and status.

Important notice regarding Coronavirus (Covid-19)

Please note that your wellbeing is our priority. We want to make sure we are acting responsibly and protecting the health of our customers and our community.

Rest assured, when you book for us to visit your property, we are taking additional precautions – including extensive hand-washing – before, during and after the appointment along with respecting the social distancing guidance when working in your property.

Please do make us aware if:

  • Anyone in the property has been diagnosed with Covid-19
  • Anyone in the property is self-isolating; or
  • If anyone in your home is at higher risk (e.g. 70 or older)

If you have any questions, please do not hesitate to ask us.