 The following is an exerpt from a November, 1998 article in Consumer Reports Magazine outlining the results of their independent testing
of vent free gas fireplaces.
"....our tests confirm that these heaters contribute significantly to indoor air pollution. If you're planning to buy a gas fireplace, a vented model
should be your first choice. That's especially wise if any household member has asthma or another respiratory ailment that may be exacerbated by
particulate matter, or if your home is very airtight--and so will disperse the fireplace's emissions less readily. A vented gas fireplace needn't cost
more to buy and install than an unvented model, since some units require only a fairly small vent pipe that runs horizontally to any outside wall."
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Read about
how much CO2 a vent-free
fireplace exhausts into the breathing space
Read about
a recent study of the effects of
long-term exposure to CO gases
Read about
respiratory irritation from
vent-free exhaust in the breathing space
Read a posting about vent-free gas appliances
from an indoor air quality scientist
Read letters in defense of vent-free products
Read our opinion about vent-free gas
appliances
Read about
a 2016 ASHRAE standard that
could eliminate the entire vent-free product category in the US
Have a vent-free experience you'd like to report? Here's a link
to the Consumer Product Safety Commission
website.
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