Heat GB Potters Bar
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New Boiler Installations

Boilers that are over ten years old waste a lot of valuable energy in terms of cost and environmental impact. In fact many older boilers convert as little as 60% of the fuel they use into heat.

Current building regulations state that replacement or new gas-fired boilers must be a condensing boiler. Utilising the latest that technology has to offer, modern condensing boilers improve efficiency to over 90% which could save you a minimum of 30% on your heating bills. Depending on your heating and hot water demand there are different boilers to suit your individual requirements. Our engineers will discuss your requirements and advise as to the most suitable system for your home when they visit.

Heat GB are proud to be Worcester Accredited Installers. We are highly skilled in the installation, servicing, maintenance and fault diagnostics for the Worcester Bosch range. As Accredited Installers we are able to offer extended parts and labour warranties on Worcester boiler installations.


A power flush is simply a process that gives your central heating system a thorough internal clean and usually improves the central heating system's performance; which can lead to lower gas bills.

Over time some heating systems may experience poor circulation resulting in lukewarm radiators, poor hot water, increased noise and sludge build up. By ‘power flushing’ your heating system, the sludge and built up residue will be removed via inline magnetic filtration allowing your system to work more efficiently.

How does Power Flushing Work?
Because the water in a central heating system is always pumped in the same direction, iron filings, sludge, oil and grease build up within each radiator in your system. This has a detrimental effect on the efficiency of both your radiators and your boiler - in fact - your whole central heating system, reducing its life expectancy.

When a system is professionally power flushed, the system is flushed in different directions, agitating the sludge and debris, so the system can be drained of the deposits. When flushing a system, special chemicals are used to ensure the breakdown of the sludge inside the system, prior to the deposits being removed.

Power flushing your Central Heating system can also extend the lifespan of your boiler and improve the performance of your heating system to save on your heating bills. When replacing an old boiler to an existing system a ‘cold water’ flush is required under Part L of the building regulations as a minimum. Upgrading this to a Power Flush will ensure your existing system is as clean as it can be.

For further information or if you need an estimate please contact us

Worcester Greenstar Hertfordshire
Plumbing Services Potters Bar
Powerflushing Hertfordshire