Carbon monoxide detector inside boiler room?
i did read the actual code last night as well. not much different. no mention of basements. you know you want that additional co2 detector and if i were asking the questions you are about my multi family (or the multi family i lived in and served on the board on) i would install the second one in the boiler room. just for the peace of mind and in case anything went wrong you can say “we had more than the law required”.
it seems to me that they are more worried about the issue arising whilst people are asleep, hence the bedrooms. Most of the time when you hear about someone dying from this, it was when they were asleep in their beds.

justinromeu26
in General Discussion 2 years and 6 months ago
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stickerhappy | 2 years and 6 months ago
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Does it makes sense to have a carbon monoxide detector inside the boiler room or just outside of the boiler room?
There is already one in the basement within 15 feet of the outside of the boiler room door.
This is a sizable gas steam boiler for a multifamily building so it has an enclosed boiler room.
If you put it inside the boiler room, will it go off because there is always some residual carbon monoxide being given off in a small room with a 350k btu gas boiler and a 50-gallon gas water heater even though they are all vented properly and there is fresh air intake?
The boiler room is also right below a bedroom which also has a CO and smoke detector but maybe it makes sense to be extra safe by installing one in the boiler room itself?
Any thoughts on this?
I’m interested in code but also just general safety.
Thanks

justinromeu26 | 2 years and 6 months ago
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properly functioning heating equipment should not be allowing any carbon monoxide to come into the house (it should all go up the flue). even when this equipment stops firing, stack effect will permit the continuous movement of a small amount of air through the equipment drawing fresh air into the boiler room (google “stack effect”).
in as much as i would rely on detectors, i would pay attention to my heating equipment. in commercial we would check this stuff 3 times a shift during the heating season. in my house, i pay attention to the sound my oil burner makes because as it gets dirty it sounds like it is struggling (if it were real bad and i were to open the flame inspection port, the flame might jump back at me a little; by then black soot is forming outside the inspection port). i doubt gas would get as dirty as oil but i suppose it could depending on the building and what else is going on in it (dust getting pulled through the equipment from wood work?).
this is what i think i would do if i were worried about this. first, these detectors do not last forever. like 5 or 6 years. i would buy the third one. i would put it in the boiler room. i would put a date on it as you install it (or better still a “use by” date on it in permanent black marker). make that one a plain old carbon monoxide detector. that leaves you with two other detectors. Next change the one in the bedroom with a sensitive one they install in nurseries (if the sensitive one goes off in the bedroom, you know you have a problem) and then for the third one (in the larger basement) change it in two or three years and date it. what i am saying is, if you change one of these every other year, you have a nice rotation where all three of these are swapped out every 6 years and you are pretty much assured that at least one of them will always be functioning as new or almost new.
wwwbrownstonehomeinspection.com

stickerhappy | 2 years and 6 months ago
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Thanks.
Any others have advice to share, what is the code on this?

justinromeu26 | 2 years and 6 months ago
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Multi family buildings wiith tenants are required to have one in each unit.

stickerhappy | 2 years and 6 months ago
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Yes I’m aware of that.
My question is specifically about them in/near boiler rooms and maybe basement areas.

justinromeu26 | 2 years and 6 months ago
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i checked some documents on city websites (not the actual code; it is local law 7 of 2004) which i have saved and nothing is stated about the basement.
but i can tell you this, one of the city docs says that co2 detectors must be placed “within 15 feet of a bedroom” and the “at least 15 feet from a bedroom”. if they cannot get this right, how can we?