In article ,
clare at snyder.on.ca wrote:
Vent free heaters produce COPIOUS amounts of water vapour - a much
more serious issue in most cases thanoxygen depletement or CO
concentration.
--
Posted via a free Usenet account from http://www.teranews.com
That would depend on the Relative Humidity of the area you live in....
if your RH is very low, you may just want a bit of humidity enhancement
in your house....