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re: Ventless vs. vented gas fireplace

Posted on 1/29/26 at 2:19 pm to
Posted by Tadey
Baton Rouge
Member since Aug 2012
683 posts
Posted on 1/29/26 at 2:19 pm to
CO comes is a byproduct of incomplete combustion. If you burn the natural gas efficiently it’s not a problem.
Posted by Tigers13
New Orleans
Member since Feb 2005
1815 posts
Posted on 1/29/26 at 3:47 pm to
quote:


Mine smells awful as well. Gives everyone in the house a headache. Really frustrating because I’d love to use it.


Ours used too as well. We would run it everyone once in awhile and not for long b/c of the smell. It's about 10 years old now and doesn't smell at all and we use all the time (when it's cold). I think it's something on the logs when they're new that has to burn or weather off but that's just a guess.
Posted by RetiredSaintsLsuFan
NW Arkansas
Member since Jun 2020
2444 posts
Posted on 1/29/26 at 7:00 pm to
quote:

Mine smells awful as well. Gives everyone in the house a headache. Really frustrating because I’d love to use it.


Mine only smells when I first start using it when cold weather season hits.
Posted by Jack Daniel
Gold member
Member since Feb 2013
29288 posts
Posted on 1/29/26 at 10:15 pm to
That smell is probably dust burning off that has collected on the logs all summer
Posted by slacker130
Your mom
Member since Jul 2010
8965 posts
Posted on 1/30/26 at 9:33 am to
quote:

That smell is probably dust burning off that has collected on the logs all summer



I pulled all my logs out this fall and washed them in the sink. You wouldn't believe how nasty they were.
Posted by Major Dutch Schaefer
Location: Classified
Member since Nov 2011
38897 posts
Posted on 1/30/26 at 10:17 pm to
I have had both. I will continue to go with ventless. Don't want to deal with a hole in my roof. My neighbor has a vented and he has been dealing with a leak forever.
Posted by ChocoLab
Member since Aug 2017
148 posts
Posted on 1/31/26 at 4:45 pm to
Our ventless also had a strong gas smell too. We found that about 4-6 of the holes was not lighting due the rock wool covering them. We rearranged the wool and it made a difference.
Posted by Spankum
The Sip
Member since Jan 2007
62078 posts
Posted on 1/31/26 at 11:47 pm to
quote:

Mine smells awful as well. Gives everyone in the house a headache. Really frustrating because I’d love to use it.


It definetly shouldn’t do that. I would get it serviced immediately or disable it.
Posted by Tridentds
Sugar Land
Member since Aug 2011
23872 posts
Posted on 2/1/26 at 9:36 am to
quote:

My best friend swears his vented gas fireplace takes heat out of the house


He's probably dead on. Our houses aren't that weather-tight and cold air is being pulled in from the outside around doors, windows, every electrical outlet and switch box to feed a vented gas fireplace. You have negative pressure and cold air is definitely going to be coming in. Not much different that a traditional fireplace. Rooms with an outside wall can get really cold.

Solution is to bring in outside air to feed the fireplace. We have a wood burning fireplace and it has a brick sized outside feed with a metal swing door.. Just open it when we have a fire and we don't have any issues. Start a fire without opening it and walk into one of the exterior rooms and you get reminded very quickly to go open the feed vent.
Posted by CatfishJohn
Member since Jun 2020
20088 posts
Posted on 2/2/26 at 12:14 pm to
I lost power last week for several days in the winter storm in Tennessee and my ventless fire place kept the 3,800 sq ft house warm enough to live in it when it was sub-freezing outside, dropping to well below 0 wind chill at times.

Things are beasts at heating. In the main area by the fireplace, which includes the kitchen and dining room, it was keeping the space above 60 degrees. Absolute beast.
Posted by CatfishJohn
Member since Jun 2020
20088 posts
Posted on 2/2/26 at 12:15 pm to
quote:

Mine only smells when I first start using it when cold weather season hits.



Same. Dust/hair from dogs, etc. burning off.
Posted by RetiredSaintsLsuFan
NW Arkansas
Member since Jun 2020
2444 posts
Posted on 2/2/26 at 7:04 pm to
quote:

Mine only smells when I first start using it when cold weather season hits.


Same. Dust/hair from dogs, etc. burning off.


Just before I start to use my fireplace next year I plan on removing the logs and cleaning them.
Posted by Will Cover
Davidson, NC
Member since Mar 2007
40192 posts
Posted on 2/3/26 at 5:19 am to
This has been a very good thread, thanks everyone.



vs.



Any real difference if both are ventless, other than looks?
Posted by CatfishJohn
Member since Jun 2020
20088 posts
Posted on 2/3/26 at 9:41 am to
Mine looks more like the bottom and I'd imagine it would put off more heat. It's recessed in firebricks (or whatever you call them), etc. The top one looks more like a decorative fireplace moreso than a heat generator. But I'd ask an expert in your area. I'm sure there's a heat output metric.

I put a nice Restoration Hardware screen in front of mine and it makes it look much nicer. And you can't really tell it's a fake fire as much through the additional layer.

We're adding on to our house and I'm going to put a wood burning fireplace in the new addition, but just for nostalgia/fun. Our ventless will continue to be the heat workhorse.
This post was edited on 2/3/26 at 9:42 am
Posted by Citica8
Duckroost, LA
Member since Dec 2012
4030 posts
Posted on 2/3/26 at 4:48 pm to
We went with a vented fireplace in our living room, we also have one outside.

It has a fresh air intake duct that you open when you're burning to prevent pulling in outside air from all corners of the house. We don't light it very often maybe 2-3x a year, but when we do it's not because we are trying to heat the house, it's because we enjoy it.

We use the outdoor fireplace probably 10:1 compared to the inside fireplace.
Posted by Spankum
The Sip
Member since Jan 2007
62078 posts
Posted on 2/5/26 at 11:32 pm to
quote:

Just before I start to use my fireplace next year I plan on removing the logs and cleaning them.


I recommend cleaning them every year with compressed air. Remember, they have to be stacked back again the same way, so take a picture before you disassemble the pile.
Posted by BlackAdam
Member since Jan 2016
7165 posts
Posted on 2/6/26 at 9:19 pm to
Any ideas who does this work in Baton Rouge? I want to convert my gas start wood burning fireplace with a ventless gas log set, rebuild my firebox which is in poor shape, and remove the chimney stack above the roogline.
Posted by Spankum
The Sip
Member since Jan 2007
62078 posts
Posted on 2/6/26 at 11:48 pm to
quote:

Any ideas who does this work in Baton Rouge



You’re gonna have to get a number of different companies to complete all of that. Your local chimney sweeps seem to have a good bit of local knowledge..I would call one.

I see a business called Woodburners Inc. that is a Monessen gas log dealer, so they can probably sell, install, and service the logs. You’ll have to get a local bricklayer to do all of that masonry work,

I converted wood burning to ventless gas logs by just closing the flue and having logs installed. A couple of years ago I had a cap put on my chimney, because some birds were nesting in there.
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