Questions tagged [air-quality]

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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 ...
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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 ...
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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 ...
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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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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!
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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 ...
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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 ...
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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
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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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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
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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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
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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
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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 ...
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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 ...
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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 ...
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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/...
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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
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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 ...
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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 ...
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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?
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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....
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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 ...
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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 ...
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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 ...
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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
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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 ...
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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
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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 ...
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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 ...
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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 ...
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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
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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 ...
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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 ...
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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 ...