On 24 Jan, 07:56, Edward W. Thompson
wrote:
On Wed, 23 Jan 2008 23:53:58 -0000, "The Simpsons"

wrote:
Friend of mine has bought a flueless gas fire from B&Q. His corgi fitter
however says he would be reluctant to install *it, even if all the critera
for room size, ventilation and use etc is satisfied.
Are there any corgi *people here? If so what's your opinion of these fires.
Thanks Fred

Natural gas is principally methane (CH4). *The products of combustion
are

CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(l) (g=gas, I=vapour)

carbon dioxide and water. *This is what you will be exhausting into
your living space. *If your living space is well ventilated then I
suppose it could be claimed there is no problem although the
introduction of clean air will require more gas to be burned to heat
that air.

My view is this type of heater is best to be avoided. *Corgi
fitters have no specific expertise in this matter. *It is simply a
matter of chemistry!

We discussed this a couple of years back. What put me off was:

http://www.hse.gov.uk/research/rrpdf/rr023.pdf