"mike.james" wrote:
=

Thanks for all the comments - as always the subject of condensing boile=
rs
seems to stir a reply :-)
=

I appreciate the "condensing boiler is always more efficient" argument =
but
my friend is running a small hotel and been quoted (rough figures)
=A3800 for a conventional boiler to do the job and =A31600 for a conden=
sing
boiler. So if the efficiency advantage isn't fairly large the payback t=
ime
is
going to be long. It seems that there really is a choice to be made her=
e.
=


This is silly. There is no way that condensing boiler are double the
price.
Typical increase for a condensing boiler is around a couple of hundred
more. =

[Vaillant have not caught up with this yet and are still trying to flog
condensing boiler against a 400 quid margin 8-(]

Whilst the 1600 would seem resonable for somthing like a Keston C40 or
C55. I have my doubts that you can get 40kW of conventional boiler for
800. Perhaps they are thinking of "bolting" [1] a couple of really cheap
conventional boilers together - but that's not comparing like for like. =

Actually 1600 would be fair for a couple of C25s bolted together and
that would give more control and reliability options.

[1] Not literally 8-). =

-- =

Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at www.diyfaq.org.uk
Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html
Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html