I live in a 4 bed detached house with integral garage converted to Den. Our boiler is 20 years old and whilst it works well - I'm being advised to replace it as it is inefficient. Our engineer is leading us towards a combi boiler in the airing cupboard where the hot water cylinder currently is. We need a couple of extra rads and he's saying the pipework to the existing rads is too small to be extended and it may be best to replace all existing rads and pipework at the same time as the boiler. Is this really necessary/best practice - and is a combi boiler really best (there are just two of us living here the majority of the time. The new pipework would have to be on view as the floors downstairs are concrete...........
I agree don't replace just because you have been told to, if the boiler works and meets your needs then leave it alone. I can't see the pipe size being a problem when converting to a pressurised system, the only thing I would be considering is the age - will it withstand the pressure ?
It may be inefficient, but lets say you spend £3000 on a new installation, how much will you save each year with an energy efficient boiler ? Say £300 per year, so it'll take 10 years to pay for itself.
I'd leave the old boiler, until it is either not repairable, or is costing too much to repair.
Thanks for the advice - this started with me asking for a quote for a replacement electric shower!! It still leaves me with a problem about getting an extra radiator in the garage conversion/den........ we currently use an electric heater in there which my husband forgets to switch off and is expensive to run - again - the pipe size (rather than boiler capacity) has been quoted by both British gas and my independant engineer as being the reason i can't have another rad? Any suggestions?
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