Zach Smith 
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: June 2026. If a radiator is cold at the top but warm at the bottom, trapped air is almost always the cause, and bleeding it is the quick fix. Bleeding a … Read more
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: July 2026. The Worcester Greenstar 2000 is the best-selling boiler in Worcester’s range and a Which? Best Buy, and its headline claim is genuinely earned: it is the quietest combi Worcester … Read more
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: July 2026. Here is the thing nobody tells you about the Worcester Greenstar 1000: it is the only boiler in the Greenstar range with a stainless steel primary heat exchanger. The … Read more
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: July 2026. Alpha put a stainless steel heat exchanger in a budget boiler, then backed it with a 10-year warranty that doesn’t depend on who fits it. That second part is … Read more
iHeat reviews for UK homeowners: from £1,985, six brands including Viessmann, 0% over 24 months, next-day if you order by 3pm. Quote iHeat first, Heatable second.
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: August 2026. An annual boiler service is a yearly preventative check carried out by a qualified engineer to make sure your boiler is running safely and efficiently. Think of it as … Read more
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: August 2026. A boiler service in the UK in 2026 typically costs £80 to £120, with most homeowners paying around £100 for a standard annual gas boiler service. Prices vary by … Read more
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: August 2026. A frozen condensate pipe is one of the most common reasons a boiler suddenly stops working during a cold snap, and it is also one of the few boiler … Read more
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: August 2026. If your radiators are warming up but your taps and shower run cold, the most common cause in a combi boiler is a faulty diverter valve, the component that … Read more
This article contains affiliate links. We may earn a commission if you buy through our links, at no extra cost to you. Last reviewed: August 2026. A boiler that has started making a new, louder or unfamiliar noise is usually trying to tell you something. Most boilers make a steady background of normal operating sounds, … Read more