Questions tagged [air-quality]

117 questions
26
votes
1 answer

Humidity Levels

What is a healthy and safe humidity level that I should try to keep my house at?
Sam Erde
  • 435
  • 2
  • 6
  • 8
23
votes
9 answers

How to get rid of CO₂ in a house with A/C in hot summer?

Recently, I've been measuring the CO₂ concentration during multiple nights and the levels in the bedroom where I sleep are very high and unhealthy (over 1600 ppm). I use an AirVisual monitor, which is high precision and catches the trends. I opened…
Physther
  • 333
  • 1
  • 2
  • 6
15
votes
4 answers

What would cause excess CO2 in cellar

Question Update: We now know that the problem is Carbon Dioxide; any suggestions on what could be consuming oxygen and producing Carbon Dioxide would be great! We rent an old farm house that has recently been renovated, the cellar has been tanked,…
Dog Ears
  • 251
  • 2
  • 6
14
votes
4 answers

Detecting cigar/cigarette smoke levels

I have a cigar lounge with a ventilation system, I would like to detect the "level" of cigar or cigarette smoke in the room. But I am not sure what sensor to go for, since these smokes contains a lot of different substances and I really want to…
Thomas Jensen
  • 576
  • 3
  • 9
10
votes
9 answers

Why is my air conditioner causing rapid high CO2 levels?

I am wondering if anyone knows why when I turn my recently installed high-efficiency air conditioner on, CO2 levels rocket up in my house? (In just 4 hours they go from around 500ppm to 1200ppm, and that's across all three floors of two-storey house…
Adam Lopez
  • 101
  • 1
  • 1
  • 3
9
votes
2 answers

What is the best way to remove cigarette smoke smell from a house?

We're buying a house from previous owners that were smokers. The house still smells of smoke even with no furniture or upholstery in it. We plan to replace all the carpet with wood flooring. We're hoping that will do the trick. But our realtor…
Ben
  • 163
  • 4
7
votes
2 answers

Does washing reduce asbestos?

So I was doing some work in the garage a few months ago and dislodged about a lemon size chunk of what at the time I thought was just some old concrete which fell on me and left some dust on a sweatshirt I was wearing. Fast forward a few months and…
alexpotato
  • 173
  • 1
  • 1
  • 5
7
votes
2 answers

Do dirty air filters trap more or less dust and dirt?

I read the following on the internet: Letting air flow past a dirty filter introduces a lot of dust and airborne particulates into your ductwork and your home’s air. I found the following comment from this question: ...I read a scientific article…
blue_ego
  • 386
  • 2
  • 5
  • 16
7
votes
6 answers

Letting fresh air through a window without letting noise in

I live in an apartment and it's pretty noisy outside, so I usually keep my windows closed. It does get pretty stuffy inside though, so I'm wondering if there's a way to get air through the window without letting a lot of noise in. I've seen some…
user1825464
  • 173
  • 1
  • 3
7
votes
7 answers

What are the downsides of a pressurized room?

The door to a bedroom is closed 24/7. Someone told me, "Be careful. It sounds like you are pressurizing the room." The room is fairly pressurized, I suppose; I can feel air rushing out from underneath the bottom of the door if I stand outside the…
Fil
  • 851
  • 4
  • 16
  • 25
5
votes
5 answers

How do I make my room stop smelling so bad?

My parents keep on complaining about the smell, but I don't smell anything at all. I've put in two odor-maskers, but they're not helping at all. I also try to ventilate, but it's almost always way too cold to open the windows here (yes, even in the…
InquilineKea
  • 437
  • 5
  • 9
  • 15
5
votes
4 answers

Do I need a face-mask when painting?

I am planing to spray-paint some cabinets. Do I need a full face-mask or not?
diyuser
  • 131
  • 1
  • 1
  • 5
5
votes
3 answers

Moving into a home that had dogs, and I'm allergic... what should be on my to-do list?

In about a month, I'm moving into a house that had 1-2 large dogs. I'll allergic to dogs, and I'm curious what steps I should take to prep the house before I move in. There is also a room (living room) that has a pretty strong dog smell (maybe…
Don
  • 51
  • 1
  • 2
4
votes
4 answers

Is it alright to run furnace and turn off gas?

Is running a furnace with the gas pipe shut can cause any harm to furnace?
user3741580
  • 43
  • 1
  • 1
  • 4
4
votes
2 answers

Remove the smell of cigarette smoke from upholstery

I purchased a upholstered chair from a garage sale for cheap, and cleaned all the dog fur and other debris from it, however there is now a lingering smell of smoke from the chair. It has been thoroughly vacuumed and cleaned with a foaming upholstery…
Resorath
  • 285
  • 1
  • 3
  • 9
1
2 3 4 5 6 7 8