Questions tagged [air-quality]
The air-quality tag has no usage guidance.
71
questions
0
votes
1answer
61 views
Choosing air-conditioner's BTU power for humidity
Recently, I've been cut off of access to sun and fresh air to my apartment. It is completely sealed now, with no windows or sun to the walls or roof. Ever since, humidity has grown a lot, and mold is ...
0
votes
2answers
43 views
Ventilating a room with no forced air without opening windows?
I would like to ventilate my bedroom because air quality monitors show CO2 levels rising above 2000ppm every night.
I have two windows in the room, both with blackout blinds, but I prefer not to open ...
0
votes
2answers
109 views
How to permanently get rid of old cigarette smell from previous resident?
We have recently moved into a rental apartment (built early 1990s). The previous resident was a smoker, and there is a distinct smell of cigarette smoke. She lived there for 15 years. The apartment ...
0
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2answers
37 views
What is the difference between the filter on my furnace and an Air Exchanger?
I live in the Pacific Northwest (Seattle area) and the allergy season has started for me. It is so bad that I am thinking about getting an air exchanger for next year. The house I live in was built in ...
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votes
1answer
54 views
How can I get rid of the bacteremia in the floating in the air! [closed]
How can I get rid of all that chemical bacteremia floating in the air!
1
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1answer
30 views
How to remove moisture from kitchen air?
Our new home has a kitchen in a corner without a vent-out channel.
As far as I understand, standard kitchen hoods can't condensate and collect water from the air they process.
What can be an ...
5
votes
4answers
151 views
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 ...
0
votes
1answer
70 views
How should I ventilate an air-tight concrete room?
My house has an unused cistern that abuts the foundation. I've cut a doorway into it from my basement and would like to use it as living space. I would like to install a door to obscure and ...
21
votes
4answers
5k views
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 ...
1
vote
2answers
77 views
Do I need to sanitize my air vents after I remove a bird from them?
I am quite positive I have a bird in my air vents. I plan to remove it tonight but I'm not sure what I should do afterwards. Should I have a company sanitize the vents/system? I just don't want any ...
0
votes
1answer
84 views
I need a stronger fan for this CO2 scrubber
This image is a CO2 scrubber I'm trying to optimize. It's 3 inch PVC with a fan to draw or force air over soda lime to extract CO2 out of the air. It presently drops the CO2 level a small amount, and ...
0
votes
2answers
81 views
How do I keep indoor air quailty high without letting in the outdoor air? [duplicate]
The outdoor air is polluted. Is it possible to keep the indoor air quality high without letting outdoor air in? Maybe with plants?
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0answers
101 views
Why does my cork subfloor test positive for formaldehyde?
This week I have been having engineered wood flooring installed, with a 1/2 in. cork subfloor installed to help reduce sound transmission between upstairs and downstairs.
I bought a tester off of ...
0
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0answers
33 views
Can I run an air cleaner and air conditioner at the same time without a significant counter effect?
Can this be counter effective, or the opposite?
I assume this also comes down to what I am using the air cleaner for, it is for dust allergies, but also vs air pollution.
I also guess that I need ...
0
votes
1answer
51 views
After market air filter replacment
I have a Lennox heat pump which has an air handler with a Lennox X7935 Carbon Clean Healthy Climate MERV 16 Filter installed. These filters are like $105 per at least. When we purchased this whole ...
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vote
2answers
3k views
How often and long should my fresh air intake run?
My builder installed a fresh air timer on my furnace, a 24-hour pin timer with 15-minute increments. When it's on, it runs the fan and opens the fresh air damper. The resulting air that comes from the ...
2
votes
1answer
73 views
Should I filter polluted outside air as it comes through my window or clean it inside the room?
Situation:
apartment of 42m², ground level, recent from 2013
humidity is 40%
apartment near a big city, in the suburbs
near freeways
we have a very good air handler with 2 extraction systems: one in ...
0
votes
1answer
75 views
Filter Air coming through window
There is a window in my back side of the house. i wanted to keep open the window of the backside just to keep the house warm. but there is a public bathroom in the backside and i feel very bad smell ...
1
vote
1answer
4k views
Can i use air filter that is one inch smaller
Currently, i have a 16x25x1 filter in my furnace/ac duct (probably a better term out there).
I am at the local store and they seem to be all sold of all brands of 16x25x1. They do however have an ...
0
votes
1answer
3k views
Why do space heaters make the air smell like that?
My parents live in a country house and they've got a bunch of space heaters of various designs. Some of them are:
Heating coil and a fan (hot air blower)
Oil-filled battery
Flat electric battery (no ...
1
vote
1answer
121 views
Stale air in house with windows [closed]
Here's a rough diagram of the apartment:
There's absolutely no air flow in the apartment, probably because of the directions (up = south)
The worst area of the apartment is the left section, as it ...
0
votes
1answer
83 views
Best way to cool down the house in the summer
Should I close all windows during the day and then open again at night so I get cooler air going through the house?
2
votes
1answer
314 views
Do you really need a pipe out for potential harmful gas for pump
I recently replaced a Laundry pump, the laundry pump has 2 connections out, one is a pvc pipe out to the drain, the other opening is for piping out gas/air from sewer system. Currently, I have the ...
0
votes
1answer
482 views
how to know if my home is under negative pressure?
I see dust under the baseboard but not much. And also, sometime I can smell "crawlspace" like smell but I am not very sure.
How to technically test the air pressure in home? Even more, how to ...
7
votes
6answers
3k views
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 ...
1
vote
0answers
53 views
Risks of Unplugging Lennox HealthClimate Unit
I bought a home with a space age lookin' Lennox HVAC. Instead of using a basic paper air filter like you can get at a local department store, the unit has a big paper air filter and a photocatalysis ...
0
votes
1answer
319 views
Wire in parallel thermostat and timer to an air extractor [duplicate]
as the title:
i have a room with with a heat generation that i need to keep under a certain temperature. Anyhow, i want to grant a minimum of air circulation even if the temperature is not reached (...
1
vote
1answer
134 views
Cleaning/scrubbing asbestos from the air and heating ducts?
I'm concerned that there may be airborne asbestos fibers.
We just discovered that there is an asbestos flue pipe that was compromised in the attic when the previous owner of the house converted to ...
2
votes
1answer
86 views
Air Quality Concern in Apartment
I just moved to a new, old apartment. At first I did not notice anything, however I am now smelling an old, greasy, cigarette sort of smell in the kitchen near the stove and stove vent. I understand ...
1
vote
2answers
29 views
Air purfier to save on air conditionig?
We have to renovate an apartment on a low floor in a busy area and an expert advised us to install an air purifier system.
He said that these tools are beyond the relief they are entitled to air ...
0
votes
3answers
289 views
What affects air quality indoors after home improvement?
We installed a new A/C in the corner room of our house a little while back, because we wanted to use it as a nursery. Installation went fine and the little one sleeps in there every night. A few ...
2
votes
2answers
440 views
Continued Excessive dust in home air
I'm having minor breathing issues and suspect the home air quality, which seems to be excessively full of particles/dust. The air quality is visually noticeable daily, regardless of basic cleaning/...
1
vote
2answers
2k views
What materials should be used to seal a square sump pit
I have a sump pit in my basement that I want to seal to reduce the radon levels which are around 6
The problem is that all of the sump pit covers I have found are round. It seems like they won't ...
2
votes
4answers
19k views
How does fresh air get inside a house with central heating other than through cracks of door or window on a cold winter day
I'm not sure how fresh air, or oxygen, gets inside my house other than through cracks of window or door on a cold winter day when the central heating system is on.
I have a pipe that is coming from ...
1
vote
3answers
512 views
Protect from 3D Printer fumes [closed]
I'm planning to buy 3D Printer that can only print with ABS (Zortrax). I have a small child (3 months old) at my flat so I'm afraid that fumes can have negative impact on her health.
What should I ...
4
votes
4answers
4k views
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?
1
vote
1answer
893 views
Home: Using Exhaust & Circulating Fans to Improve Air Quality While Staying Cool
In the hopes of ventilating nasty odors and airborne contaminants, I recently installed the Bionaire BW2300 in one of my kitchen windows. This is the only one I have installed in my home at the moment....
1
vote
2answers
278 views
Shock treating a home, or rooms with ozone
I have an older home, complete with a damp basement and some musty smells around the house. We're in the process of renovating but that will probably take a while for us to get around to ripping out ...
1
vote
1answer
2k views
I just had my driveway sealed, and the fumes are making my house uninhabitable. What can I do?
I've seen claims about buckets of water, vinegar, and cut onions helping with freshly painted rooms. But that's all. Is there anything I can do to make these fumes go away? Or am I doomed to stay with ...
2
votes
2answers
2k views
Combining Air Conditioner with Air Purifier
I have a small 5th floor flat, with high ceilings. The sash windows, which are tall, face south. There is a very busy road underneath the windows. Two rooms have these windows.
It's noticeable that I ...
1
vote
1answer
1k views
How to get fresh air to flat without letting noise in
My flat is at 4th floor just next to very noisy street (cars/trams); above my flat there's only roof (no other floors or attic). I have problems with fresh air inside because I try to keep my windows ...
0
votes
1answer
94 views
What is the correct Air Flow change per hour for my house?
I recently just got my house air sealed. Before air sealed the Building Air Standard (BAS) was 1.4 now it is 1.2.
Based off a 1300 sq ft house. What should the BAS be? Is there a calculator to ...
0
votes
2answers
475 views
What's the cheapest consumer method for testing my rental home flooring for CH2O (formaldehyde) off-gassing?
Trying to eliminate formaldehyde gas as a potential cause for some medical issues I've been experiencing.
I've been having acute idiopathic breathing difficulty and other strange symptoms for months ...
0
votes
1answer
6k views
When to Replace UV Bulb in AC System?
We had a new AC system put in last summer. The contractor included a UV bulb between the cooling area and the supply fan. It's supposed to kill bacteria and other nasties in the air.
(The bulb is ...
1
vote
2answers
279 views
Can we capture the hot, humid air from a gas-powered clothes dryer during winter?
During winter we run a gas-powered heater and evaporative humidifier to maintain indoor air quality.
Meanwhile, every day (big family!) we run a gas-powered clothes dryer which dumps hot, humid air ...
1
vote
1answer
48 views
will using a ventilation system with an heat exchanger give me the same quality air indoors as outdoors?
will using a ventilation system with an heat exchanger give me the same quality air indoors as outdoors?
is using a proper ventilation system equivalent to having all your windows open without any ...
14
votes
4answers
5k views
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 ...
1
vote
1answer
210 views
How do I connect a 24v air purifier to hvac?
I have a MicroPure MX4 that the previous homeowner left behind new in the box. This is a 24v unit and needs to be hardwired. My question is can I connect the two wires to the terminal where the ...
3
votes
2answers
263 views
Can houseplants actually improve air quality?
I just moved to a new apartment. If I close the windows, the air gets heavy and stale very quickly and I get a headache.
The place has laminate flooring (which looks pretty realistic, I thought it ...
1
vote
1answer
5k views
Air purifiers keep smelling like ozone
I know that every electric motor produces some ozone, it's unavoidable. Most of the time I don't notice it. We had a Honeywell HEPA room air purifier (basically a fan which pulls in room air through a ...
