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Questions tagged [carbon-monoxide]

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Help with hardwired CO Detectors

I have three CO sensors that are over 10 years old and two are beeping to let me know they have gone bad. They are hard-wired into a Concord 4 Series box. The previous owners had a robust alarm system ...
Justin's user avatar
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0 answers
92 views

Gas Range, Ductless Range Hood, No Window

Curious of all's opinion regarding the use of a "ductless" vent hood with a gas range stove/oven. This concerns me a lot- mostly due to the risk of CO poisoning. However, researching my ...
RockyPalmer18776's user avatar
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1 answer
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What could cause high CO levels from a gas range and issues with gas tankless hot water unit

I have a fairly new gas range and a Rheem tankless water heater. Both are under 6 years old. I have a CO sensor (Sensorcon) in my kitchen and would rarely see over 10 ppm. Tankless water heater worked ...
Erick T's user avatar
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4 answers
1k views

Carbon monooxide poisoning by using natural gas stove

Back in the day I used to cook food in a small, badly ventilated room with a natural gas stove, turning it on for a relatively small intervals during the day, let's say 1-3 hours per day in total. ...
J. A.'s user avatar
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2 votes
2 answers
3k views

Water heater ignite knob turned to off, did not shut off gas line to water heater. Is this going to cause gas to leak into the house?

My exhaust vent came out of place on the top of my water heater and was venting fumes into the house. In a panic, I shut off the water heater knob to “OFF”. I had to leave town for a family emergency, ...
user159280's user avatar
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2 answers
198 views

Do I really need Carbon monoxide detector

My house has a gas hob other than that I don't have any other appliances which burns off fossil fuel. I have other heavy appliances like washing machine ,Electric OTG Microwave oven, Fridge,Toaster ,...
CuriousMan's user avatar
2 votes
2 answers
478 views

How to prevent stagnant water in Drainage pit from causing diseases

My house has 6 dry wells for collecting waste water from bathroom and kitchen. I'm worried that it could become a breeding ground for Mosquitoes , Bacteria, virus and foul smell. Are there any ...
Amogam's user avatar
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1 vote
1 answer
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Can I slow the formation of cracks in a furnace by running lower temperatures?

Just had a tech out today. Gas pressure was up way higher than it should have been so he reduced it (he said it was a 7 something and it should've been 3.4?). CO detectors not going off but they are ...
abeighc's user avatar
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1 answer
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Aluminium utensils.cleaning colours carbon stains

I saw videos in youtube to clean Aluminium utensils with be boiled vinegar solution (boiled white vinegar+ detergent+salt+ lemon+ baking soda) or caustic soda solution or toilet cleaners harpic I ...
Androidquery's user avatar
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1 answer
74 views

FIVE hardwired smoke/CO2 detectors, 4 on one floor in close proximity, PLUS ADT smoke/CO2 detector separately

Moved into a "new to us" home a few months ago. Made a small renovation (halved the kitchen and created a spare room). Four usable rooms total and a furnace/hot water heater utility room ...
Mrs. C.'s user avatar
3 votes
1 answer
193 views

Smoke/CO Detector Location Within A Bedroom

This question concerns smoke/CO detector placement within a bedroom (the code is pretty clear regarding outside-of-bathroom & distance-from-kitchen-appliances). Given a 12x10ft bedroom, with the ...
sil80's user avatar
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4 votes
2 answers
809 views

Can a gas dryer leak CO thru a second dryer via a y vent connection?

We have a second stackable electric dyer on the first floor that is vented via a Y vent connection from our primary gas dryer in the basement. The electric dryer actually gets warm when the gas dryer ...
Mary Halloran's user avatar
1 vote
1 answer
59 views

Carrier HVAC: CO Alarm and Smells

I'm trying to figure out the right questions to ask. I've not had good luck with a HVAC service company when we first purchased the house. As I don't think I have any urgent risks given the 3x Nest ...
NJL's user avatar
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1 vote
1 answer
643 views

Cracked Heat Exchanger Carbon Monoxide

If there was a crack in a heat exchanger in a natural gas forced hot air furnace, would it trigger a Carbon Monoxide detector to go off? This is NOT happening in my house. The reason why I am asking ...
Bryan Anderson's user avatar
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1 answer
1k views

Is it safe to seal a gas fireplace?

I live in an apartment which has a gas fireplace. The pilot fire is sky blue in the fireplace, but I can still smell the gas somehow. The fireplace has a glass door but it is not hermetic when the ...
Firegun's user avatar
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3 votes
1 answer
793 views

Remove CO detector From wired alarm system

My house has a wired smoke alarm system, three smoke detectors and one CO detector. These are all old firex detectors, I am replacing them with three kiddie smoke alarms where one is combo CO + smoke ...
jheagle's user avatar
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2 votes
4 answers
11k views

Should my carbon monoxide detector be reporting zero PPM?

I've got a Carbon monoxide detector hanging in my kitchen for a few years now. Lately I've noticed it reads a PPM of 0 (zero). Is this right? Doesn't the air contains around 400 ppm? In other words, ...
Tim's user avatar
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1 answer
599 views

Can I run a propane generator under my house?

I recently bought a propane generator to use during the periodic blackouts we get in California now. I have a large crawlspace underneath my home and it would be fairly easy for me to place it down ...
Brh's user avatar
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1 answer
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Will ovens emit carbon monoxide when off at high altitude if not properly adjusted?

This CBS news story seems to say that a turned-off oven emits carbon monoxide when not properly adjusted for altitude, such as 1 mile high in Denver, CO. My BS detector is going off. https://denver....
Pascal's user avatar
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1 vote
1 answer
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How to Identify an Unknown or Poisonous Gas

Situation My office has a meeting room that is located on the ground floor with inward facing windows towards the bottom of very small and stuffy open air interior. This area is surrounded by six ...
James Scott's user avatar
0 votes
2 answers
2k views

How can I best connect this metal gas flue pipe to the old asbestos cement chimney pipe?

The asbestos cement pipe here can't be changed, but how can I make a robust fix for this junction to the a heater flue pipe? The gas utility is suggesting flue tape, but that's crazy. Tape won't ...
Bryce's user avatar
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-1 votes
1 answer
121 views

Is a 44" chimney too short to create a sufficient draft? [closed]

I put a wood-burning stove in a motorhome but realized that the chimney might not have enough height for an adequate draft. I've got a single double wall stove pipe going straight through the roof ...
Joe B's user avatar
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-1 votes
2 answers
12k views

Should I wrap exhaust duct joints of a hot water heater?

I replaced my hot water heater. I used a single flexible 3" metal duct tube to go from the new unit to a an old wye connector metal duct that is near the ceiling in the utility closet. I ...
Cool Pontiac's user avatar
0 votes
3 answers
194 views

Does home security system only link to wire-powered smoke detector but not the battery-powered ones?

Currently my home has battery-powered smoke/CO detectors, I wonder if in the future I am setting up a home monitoring security system with commercial company for the whole house (to detect things like ...
KubiK888's user avatar
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1 vote
3 answers
194 views

Protections from CO/CO2 Poisoning in Rooms?

I'm aware that there is little risk of CO/CO2 poisoning in typical house rooms in the US, even after long periods (A few hours, maybe a day) in a particular room. How is this accomplished, and what ...
Sarah Szabo's user avatar
2 votes
1 answer
2k views

installation of portable ac unit in garage with a gas water heater

The propane gas water heater vents the combustion exhaust vi a flute. The portable ac vents the hot air. If i only run the portable ac unit occasionally do I risk carbon monoxide poisoning from the ...
rhill45's user avatar
  • 231
3 votes
2 answers
4k views

Should carbon monoxide detectors be installed in rooms containing gas appliances?

This might be 2 questions so I can separate it into two if needed. I want to put a CO detector in two places of my home (kitchen and garage). However, the instructions that came with the CO detector ...
Classified's user avatar
2 votes
1 answer
3k views

Does this look like a crack in my heat exchanger?

I had someone come in to inspect my furnace and was told my heat exchanger has a crack and the whole system should be replaced ASAP due to carbon monoxide risks. It's 16 years old but I haven't had ...
Zoomzoom's user avatar
  • 275
1 vote
3 answers
8k views

Where to install a carbon monoxide detector when the boiler is in a closet?

I have a boiler in my kitchen closet. The installation instructions for my carbon monoxide detector say the detector should be: at a horizontal distance of between 1m and 3m from the potential ...
Pitarou's user avatar
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7 votes
2 answers
49k views

Who do you call when there is actually carbon monoxide in your home?

The CO detector goes off. Probably bad batteries, but let's get everyone outside just to be safe. Then you put brand new batteries in, and it still goes off. You have a carbon monoxide leak. Again, ...
smeeb's user avatar
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1 vote
2 answers
928 views

How can I troubleshoot faulty carbon monoxide and fire alarms that give false positives?

This is kind of an odd one. Recently, my alarms have been going off. It started a couple weeks ago where my neighbor said the carbon monoxide alarm was going off for 10-15 minutes then stopped. Last ...
user avatar
3 votes
3 answers
4k views

Carbon Monoxide Alarm in garage

I arrived home today from running some errands to find that the carbon monoxide alarm in my garage was going off. The display was reading 55 ppm CO (which I gather is a non-lethal but nevertheless ...
Hank's user avatar
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9 votes
5 answers
51k views

At what height should CO detectors be installed?

I've got a Carbon Monoxide (CO) detector (BRK CO250B, instruction sheet PDF) that I am looking to install in our house. All of the bedrooms are on the top level of our quad-level house, and I'm ...
Ben Miller's user avatar
8 votes
4 answers
26k views

How do I make my gas oven produce less carbon monoxide?

I had someone perform a combustion safety test on my oven today and he discovered that it's producing an elevated level of carbon monoxide compared to average: 80 PPM. He said the best ovens he's seen ...
iLikeDirt's user avatar
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8 votes
2 answers
27k views

Where should carbon monoxide detectors be located?

How many carbon monoxide detectors are needed in a house and where is it best to place it? Is it better to place it close to the ground or close to the ceiling?
ucsky's user avatar
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