Vent Free Gas Logs FAQ - Kansas City - Fluesbrothers Chimney Service

Vent Free Gas Logs FAQ

  1. I just got vent free gas logs installed and they smell horrible!
    First, congratulations on your purchase! Now we need to discuss burn-off. Burn-off occurs as the log set is curing. This is the process the logs must go through as they burn off any oils, residues, glues, etc. used in the manufacturing process.
  2. I was told my logs would need to burn-off but for how long?
    The burn-off process can take up to 20 hours of burning. We recommend you start by burning the set at the highest setting for 4-5 hours then turn them off and allow them to completely cool. Repeat this process 3-4 more times. It is important to know that your smoke detectors may go off during this process, this is normal.
  3. Is there anything I can do to reduce the smell?
    Yes, as a matter of fact even once the burn-off process as occurred you may still be sensitive the smell of vent-free gas logs. If this occurs, we recommend burning the logs with the damper fully open or opening a window or door during use.
  4. Why do my logs still smell, I have used them for over 60 hours?
    The scientific answer has to do with the combustion of methane gas. Methyl mercaptan is an additive added to gas so in the event you do have a gas leak, you get that rotten egg smell. They by-product of mercaptan is sulfur dioxide, this is what is commonly smelled during the vent free gas log burning process. Thus, why we recommend burning with the damper fully open if you are sensitive to this smell.
  5. Is there anything else I can do to help with the smell?
    I am glad you asked. Vent free gas logs will pull all the smells and fibers from your room into the fireplace causing those materials to be burned leading to an increase in the smell. Therefore, we recommend you do not burn candles, potpourri, incense, smoke, or use aerosols in the same room as your vent free log set. Additionally, pet dander, new carpet fibers, dirty vents, fresh paint, construction, or an improperly maintained log set will cause additional smells.
  6. Since they are gas logs I do not need to have the fireplace and chimney cleaned, right?
    This is perhaps the most common myth in the fireplace industry. All fireplaces and chimneys need annual inspections and/or cleanings no matter what type of fuel they utilize. In the case of vent-frees they need cleaned on a yearly basis for all the reason we have already discussed.

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