I recently moved into a home with my first gas furnace. I am converting my attached 2 car garage into a workshop, and and now concerned about sawdust as I see open flames inside the furnace unit. Will this be an issue, or is it controlled as long as I use some sort of dust collection unit? Also concerned about doing any finishing work i.e. spraying or high voc product application in the garage as well with the furnace running.
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Bull,
Where do you live ?? I would like to know in case of my travels.... I do not want to come too close when you are working in the garage..... "My opinion" is to move your work shop to an area detached from the house...
Ken
1. Air Tight enclosure around the furnace.
2. Run an outside air supply to it for combustion air supply.
3. Setup an air return that can be 'switched' to pickup air from outside and close off the inside. And then when you are spraying switch it over. Also turn off the furnace while you are spraying to avoid air turbulence that spreads the overspray around, if your garage is insulated it won't cool off enough to affect anything.
4. Use an HLVP setup so as to minimize overspray.
5. Strictly speaking, if you are spraying volatile substances you should have a seperate room with no possible source of ignition. That means nothing in the room that can possibly cause a spark, no exposed lights that could be broken by mistake, no switches, a vent fan rated to be used in that enviroment. Grounded surfaces so no static etc, etc etc.
I know that (almost) no one would go to these lengths, but at least 1-3 will minimize your risks
Robert