Be nice to your boiler

Is your boiler struggling to cope with the recent cold snap? It might well be if it hasn't been serviced recently. Recent research by the utilities comparison site uSwitch.com suggests that four out of 10 households neglect regular annual servicing of their hot water and heating system. And this could cost you, says Ann Robinson, director of consumer policy at uSwitch. 'If your boiler packs up you are facing a £500 bill, plus the misery of trying to get somebody out quickly to sort it out - not much fun in winter.'

One solution could be to invest in a boiler servicing and repair policy - but shop carefully. Packages vary hugely in terms of price and cover, and some can be very expensive. Josephine Sackett, a retired teacher from Hackney, pays £290 a year to have her 18-year-old Vaillant boiler annually checked and serviced, through a British Gas service contract called HomeCare 200. This includes year-round call-out cover, parts and labour, and central heating repairs. 'On occasions, their service has been rather perfunctory, or inconsistent. Once I was told I needed a new boiler; another time they said it was fine. But when I have had problems, they have come immediately.'

Still, almost £300 a year could be put towards a more efficient boiler. Keith Mathers, group service director at Vaillant, says boilers become more unreliable with age and that Vaillant's own cover is generally not offered once a boiler gets past the 15-year point. 'Otherwise, we charge £168 a year for an annual service contract, which includes parts and labour, with no annual limit on call-outs.'

Which? recently picked through a huge range of boiler service contracts. British Gas, which sells two-thirds of all UK contracts and covers most of the UK, generally came out well, with a wide range of deals, starting from £132 a year, provided you pay the first £50 of each repair. But Which? found the best value cover was offered by Powergen, with cover starting from £108 a year provided you stump up, again, the first £50 of each repair. This cover, however, is not available nationwide.

Or you could simply opt to have your boiler serviced every year and hope for the best. When Cash called several independent installers in London, we found annual service quotes from Corgi-registered engineers ranged from £65 to more than £90.

If your boiler is well and truly past it - most last 15 years - then it certainly is worth replacing it with the now compulsory fuel-efficient condensing type. The Energy Saving Trust reckons this will save you at least £150 a year.

Be careful, though, how much you pay for one. Prices start at £750, and installation can cost as much as £1,300. Tim Wolfenden, head of home services at uSwitch, says: 'Large energy companies might offer what seems a good deal for the boiler but they often recoup their profit with the installation.'

Wolfenden recommends buying a boiler through a wholesaler, or local heating specialist, then hiring a Corgi-registered gas engineer to fit it. Be aware that, though modern boilers can be vastly more efficient, they're also potentially more expensive to fix: a heat exchanger can cost up to £350. So Wolfenden recommends keeping your boiler in peak condition as it ages: 'Annual services will prolong a boiler's life. Do invest in them, especially after the warranty runs out.

Adrian Holliday
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