Straight-talking advice on boiler costs, common problems, and getting the most out of your heating system — from a Gas Safe engineer, not a call centre.
One radiator freezing cold while the rest of the house is toasty? It's not random — where it's cold tells you exactly what's wrong. We break down the 5-minute check that reveals whether it's trapped air, sludge, or something worth calling an engineer for, plus the safe DIY fix most people can do themselves in minutes.