Does a No Vent Fireplace set make sense in a vented setup?

Old 01-12-01, 01:40 PM
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I have a new vented fireplace but have not installed any gas logs yet. The gas line is all setup but I was wondering if I can install a Ventless log set? With the increasing cost of natural gas and the heat that goes up the chimney, I wonder if a ventless system would heat my family room more the do ventless systems work? Where does the CO go?

Old 01-21-01, 09:03 PM
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A ventless burner is a great idea! Close the damper in your vented fireplace and forget that it was ever installed. Essentially you have just made a ventless fireplace. Our local utility company here test for CO around gas fireplaces in all new construction. They typically find about 5-6 ppm on a ventless setup. This is an extremely low number. Ventless burners are very eficient and burn very clean. Check the specs on microwave ovens. I think they run about 5-6 ppm also.

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