Heating problems, explained
Cold radiators, noisy boilers, high heating bills: what’s going on and how to fix it, in plain English, from an East Kent powerflush engineer.
Bled your radiator and it’s still cold?
If a radiator is still cold after bleeding, the problem isn’t air.
Read the guideRadiator cold at the bottom? Here’s why, and the fix
A radiator that’s warm at the top and cold at the bottom almost always has sludge in it.
Read the guideRadiator cold at the top? What it means
A radiator that’s cold at the top and warm at the bottom has air or gas trapped in it.
Read the guideBoiler kettling or banging pipes?
A rumbling, kettle-like noise from your boiler is called kettling.
Read the guidePaying for heat you don’t feel? How to lower your heating bills
The cheapest heat is the heat you don’t waste.
Read the guideHow much does a powerflush cost?
A powerflush with us typically costs £500–£1,000.
Read the guideIs a magnetic filter worth it?
A magnetic filter is fitted on the pipe returning to your boiler and catches the black, magnetic debris (magnetite) circulating in your heating before it can settle in radiators or reach the boiler.
Read the guideMore answers on our FAQ page, or see how a powerflush works.
Hot radiators. A protected boiler.
Tell us about your system in a minute and Pete will come back with a price.