On Mar 18, 8:29*pm, "Stormin Mormon"
wrote:
Winter time in northern states of USA, humidity is rather low. We northern
folks often use a humidifier to add water to the air. so, a vent free heater
adding humidity is good.

--
Christopher A. Young
Learn more about Jesus
*www.lds.org
.

"You" wrote in message

...

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....

Yea adding more pollutants you dont need, smart, unless your house
leaks like a sieve vent free are not a healthy choise. I believe many
areas in Canada they are banned.