Condensing boilers have been around for some time now, at least in the UK. They are 80-90% more efficient than non-condensing boilers. Which means, they are incredibly efficient, they can quickly heat up water for showering, bathing, shaving, but also, for central heating. So, if your boiler has finally had it, and you’re thinking of either a boiler repair or a replacement for your particular boiler problem, wait until you have heard more.