Fresh air vents are the coming thing.
But most older homes may not have this feature.
Many of the higher efficiency pvc pipe type furnace now also install a
intake pipe that feed fresh air into the combustion process.


"Art" wrote in message
ink.net...
Actually our town now requires fresh air vents in the house where a gas
appliance such as a dryer is used so he may have a valid point.


"m Ransley" wrote in message
...
Yea FIREBRICK why not mandate working Flues. BS,BS.BS. your answer