I do not question the serious health effects of train smoke for asthma. That's why I started this topic. Nor do I question Leroof's expertise. In fact, I sincerely thank Leroof for the detailed explanation as an expert. His post is both a public service and warning to us all. He saved me and perhaps other asthma sufferers the $50 co-pay of discussing the issue with an expert on the subject outside of my train world.
I'm surprised by the number of o gaugers that do not run smoke at all for health reasons and the residue it puts out on our layouts. I LOVED running smoke in my old train room -- but it was detached from the house. At some point back then, after running several engines and clouding up my train room, I asked this forum if smoke could be a health issue and most agreed we should not cloud up our whole rooms for health reasons; but otherwise, if it were bad for you, wouldn't there be lung related class action suits against the train companies that make them? Common sense must prevail. We are observing puffs from our engines. Unlike vaping, we are not trying to ingest it into our lungs to ignite our pleasure sensors. I've attached the ingredients found from one smoke fluid manufacturer that was posted on a different topic on the OGRR forum. Yes, its the same manufacturer mentioned above, that I now discover to my dismay, that says do not use it around people with asthma.
Up until now, engines that do not have smoke units have been disqualified by me as a purchase option. For example, other than the added detail, I chose a Premier E8 set from MTH over the Railking version because the latter doesn't have a smoke unit. Needless to say, I am shocked that, after 25 years of running smoke, my wife and I discover that the smoke is a problem for her now that the trains are in the house.
Based on 33 years in the remodeling business as a manager, I was able to finish my basement myself and made my train room contain the noise from digital sounds using rockwool insulation and acoustic sound-deadening ceiling tiles at an added expense. Adding ventilation to remove train smoke from the room so it does not escape into the house seemed like an intriguing challenge to pursue. That's why I am here.
Had I known then, 25 years ago, what I know now, perhaps a collection of Williams trains with just horns, bells and whistles would have been a better choice for me, saved me some money and kept my lungs healthy. Then again, would I have enjoyed the trains as much as I have without the digital sounds and smoke?