Recent content by renovationman

That's great Dan, it now makes sense. Thanks so much for your help.

Thanks for the VERY prompt replies guys. This is my first post on the forum and I honestly expected to wait a week or so to get a reply (if any). Much appreciated. Can I assume from this that the IDHEE calculator does not apply to combi's? Also what is the criterion for assessing hot water...

I am considering replacing our conventional (very old) gas boiler with a gas condensing combi. I therefore used the following IDHEE site to get an idea of the boiler size required. http://www.idhee.org.uk/calculator.html I live in quite a small detached house that is well insulated with...