Want to Save Money on Your Heating Bills? Why a Power Flush Could Be the Answer.

  • Updated 22 October 2026
  • Tips from our experts
  • Free online estimate

Everyone wants the lowest possible heating bills. Loft and cavity wall insulation are well known ways to get there, but one of the most underrated is a power flush, which can take as much as 25% off your heating bills.

How sludge pushes up your bills.

Over its lifetime, a central heating system builds up black iron oxide sludge and limescale. They coat the inside of radiators and pipes and restrict the flow of hot water around the system, which leaves your boiler with more work to do to heat your home. More work means more fuel, and higher bills.

Power flushing uses a pressurised mix of water and chemicals to remove those deposits, reducing your boiler’s workload and restoring your system to its best efficiency.

What changes after a power flush?

Many of our customers first call us because they’re fed up with cold spots on their radiators, loud banging from the boiler, or dirty brown or black water when they bleed their radiators. Once their system has been power flushed, they usually find:

  • The system is more efficient, and heats up more quickly.
  • It runs more quietly, without the banging and cut-outs.
  • Radiators give consistent heat from top to bottom.
  • Heating bills are as much as 25% lower.

It’s quick, too. Most homes take as little as a day, so you can enjoy a warmer home the same day. Larger systems and commercial properties can take longer.

Keep your heating costs lower for longer.

Having a MagnaClean filter fitted with your power flush helps you hold on to those savings. The magnetic filter attracts and traps the iron oxide that forms from corrosion inside your system, before it can block vital parts again, and it extends our power flush guarantee from 3 years to 5.

Get a clear, accurate quote.

From a clear and accurate quotation to a power flush carried out to the highest standard, with respect for your property throughout, our fully qualified engineers make it easy. Build your free estimate online in about a minute, or contact our team for advice.

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