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Questions tagged [air-filter]

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0answers
26 views

Is this where my HVAC air filter goes?

I moved into a home that was poorly taken care of by the homeowner before. It dawned on me today that I've never replaced the HVAC filter (I guess I'm bad at taking care of the house too :) ) in the ...
0
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1answer
14 views

AMP-MFAH-M Replacement Media Filter for AHMAC - Merv 11

Said filters are large and more expensive. What is the advantage of this class of filter?
1
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0answers
56 views

Fujitsu Halcyon: Custom Air-Filter (C.F.M.)

I'm trying to make airfilters to fit over my Fujitsu Halcyon Wall Mounted heating & air-conditioning split system. I'm talking about the indoor unit specifically. The wire mesh screens that come ...
0
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2answers
31 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 ...
1
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1answer
23 views

How often to change Aprilaire AC Filter

I have a AprilAire #2210 Air Filtration system connected to my central AC unit in the attic (https://www.aprilaire.com/whole-house-products/air-purifiers/model-2210). I am trying to figure out how ...
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0answers
19 views

Put media filter in place of electronic air filter

I have a trion iaq 1400 electronic air filter in my house. I decided to take the filters out and replace them with a 5 inch media filter. My problem is that there is a small space between the filter ...
1
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2answers
306 views

How can I fix this furnace filter slot to prevent filters bending?

I noticed a problem with my furnace filter. In the vertical slot where it gets installed, there is a channel along the bottom but not along the top. As a result, the top corner of the filter ...
2
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1answer
63 views

Portable Air Filter Possibly Creating Black Dirt Everywhere

UPDATED: Hopefully this is a good place to put this. I figured someone might have an issue similar from project prep or HVAC issues. I have a Honeywell AirGenius 5 portable tower air filter. It has a ...
0
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1answer
206 views

filtered air intake for whole house fan

I'm installing a new whole-house-fan, and am expecting good results. We live at 8,000' and have ~40 degree (f) temperature swings between day and night with very little humidity. But we also have ...
1
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1answer
51 views

Is there a way to change the location of HVAC air filter location?

We bought the house recently. Heating system was recently installed by the previous home owner. I cannot believe they did not think of this but the place for filter is inside the furnace. The problem ...
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0answers
29 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 ...
2
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1answer
72 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 ...
1
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1answer
197 views

What to do with unused furnace filters? [closed]

I bought furnace filters in bulk. But my furnace is dead and had to be replaced. The old filters will no longer fit. The filter size is not all that common. I wonder if there are other use of the ...
1
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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 ...
0
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3answers
70 views

Compatible HVAC filter

I need to replace the filter in my HVAC system. What I found at the air handler in the attic is shown in the picture. It says Aprilaire Model 2200 media air cleaner. My questions are: Is it the ...
2
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1answer
267 views

Carrier AC Air Handler Model #FC4DNF060 Filter Access Panel

I have a Carrier AC Air Handler Model #FC4DNF060. The filter access panel is blocked as shown in the photo (at bottom of unit). Has anyone had a similar situation or advice on how I might be able to ...
2
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1answer
73 views

Air filter recommendations to filter dust mites

I recently found out I am allergic to dust mites. I have taken some steps to reduce my exposure to dust mites in my apartment, but now that it is summer and I live in a high-humidity area, my allergy ...
3
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1answer
34 views

Which respirator filter do I need?

We will be doing renovations shortly which will involve a lot of dust. Whilst we are to try and keep this to a minimum, we are in need of respirators. Looking around I can see there are filters ...
4
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2answers
656 views

Working furnace but smell like electrical fire

My furnace started to smell electrical fire once in awhile (not consistent). I guess it happens when we run the heat for a long time (many continuous days during cold weather). However, the furnace ...
1
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0answers
52 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 ...
1
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3answers
608 views

How can I find an appropriate replacement air filter for my furnace?

Background: I got a Bryant 915SA furnace with my new house and it's time to replace the air filter. Problems: The filter is not branded so I don't know what company made it. The filter is not a ...
0
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3answers
1k views

Is it okay to use two 20x20 air filters instead of one 36x20 for my home AC?

I am replacing the air filter for the first time. I came to find out the person before just used two filters that were size 20x20 and overlapped them. The size of the actual duct is 36x20. The 36x20 ...
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
77 views

How to make a cigarette air filter? [closed]

I live with smokers and want to make a air filter to catch the particle left in the air. I learned one good way to do this is with heavy wet cloth. But how can I turn this whole idea into a filter to ...
0
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1answer
365 views

Air compressor air filter and oil change

My Makita MAC2400 has been serving great almost a decade now. Recently I started wondering about the volume of air it has intaken over the year and that it all went through the air filter, which I ...
1
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2answers
396 views

Does my furnace's air filter do anything at all?

Our house seems very dusty. The tops of bookshelves, computer screens, etc seem to accumulate a thin film of dust just a few days after cleaning. Certain other co-inhabitants of my house have ...
0
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2answers
47 views

How do I design a home air filtration system?

I live in a city with bad air pollution and no central HVAC system. I have two air purifiers and an air quality monitor. Both air purifiers are effective in reducing the particulate matter count. But ...
0
votes
1answer
110 views

What type of air filters are these? Are they any good?

I'm pretty sure these air filters have been in the house for 30+ years. I'm not sure what type of filters they are. Are they disposable or can you clean them? Are they efficient at all?
0
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2answers
126 views

Replace or wash this furnace filter?

My mom's furnace has ductwork until right next to the furnace, where the return air instead goes into an obsolete electronic air cleaner that is basically as big as the furnace itself. The issue is ...
1
vote
3answers
495 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 ...
0
votes
1answer
89 views

Allergies and an economizer

I had an economizer added to my HVAC system last fall, which is fantastic for cooling my second floor down in the evenings during the shoulder seasons where the weather is cool in the late afternoon ...
2
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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 ...
0
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1answer
946 views

How can I determine what size and type of filter is required in my air handler?

I just moved into a new house with a Trane Air handler (model TWE065E13FB) in the crawlsapce. I went to replace the filter as this was suggested maintenance and I found that there isn't a filter in ...
0
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2answers
219 views

How can I determine what grade air filter is appropriate?

I'm trying to figure out what kind of air filter is appropriate for my house. My local home warehouse store stocks over a dozen options. The primary difference between them seems to be Microparticle ...
1
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1answer
208 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 ...
1
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1answer
1k views

Replace reusable air filter with disposable, when no size matches?

My friend's house has HVAC whose air filter is a rectangular metal frame filled with washable fiber mesh. It doesn't look like it could catch fine particles. We wanted to try an off-the-shelf ...
3
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2answers
255 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
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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 ...
4
votes
1answer
566 views

How can we measure the air quality index of our room?

My house is situated near a construction site and dust, particulates, etc gather in really quickly. My room is currently set up such that there are two different air filters running continuously ...
5
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3answers
5k views

How can I improve ventilation in my room with a window fan while filtering pollen from a nearby tree?

This is a campus building in Aalto University where you have a tree about 10 cm away from the window. The Espoo city does not allow the student organisation AYY to cut down the tree. There is a poor ...
2
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2answers
114 views

What methods exist for filtering air to alleviate allergies?

I've found out that I have an allergy, especially for the mold. I live in a very wet climate, so it's a problem. I was given advice to buy this AIRFREE E60 air purifier. But now I'm interested to ...
0
votes
1answer
305 views

How do I wrap the pre-filter around the HEPA filter in this air purifier?

I bought this air purifier and was installing the pre-filter that came with it. The instructions go "Carefully wrap the pre-filter around the HEPA filter so that the ends meet. Fasten the ends ...
6
votes
3answers
72k views

Which way does air flow into a furnace?

Which way does air typically flow in a furnace? Put another way, does the filter usually sit before the incoming cool air reaches the burners or after? I'm trying to figure out which way the air flow ...
4
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3answers
10k views

Why does the pilot light go out when the furnace is running?

Every time the furnace fires up, it blows out the pilot light. Sometimes it will run a full cycle and blow out when it shuts down, and sometimes it will blow out about a minute into the cycle. We ...
1
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5answers
4k views

Is there a filter-reminder thermostat that uses run-time instead of total time?

My HVAC filter is in my crawlspace and is a hassle to change. I don't want to change it more than needed. "Change it every month" is bogus advice because in some months (like May) we don't have to run ...
2
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1answer
344 views

Will an electronic air filter harm my furnace?

If I install a furnace-mounted, electronic air filter, like this one, will it harm my furnace due to reduced air flow? How will I know if it reduces air flow too much?
4
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4answers
10k views

Can I sense filter replacement need based on filter pressure drop?

I should first point out that the system I'm referring to will be a self build DIY project. Fan and Filters being the only items purchased complete, And I'm still in the design phase but I'm not a ...
4
votes
1answer
8k views

What would cause my furnace to only work with the filter removed?

My Carrier furnace works fine without the air filter in place on the return. With the filter in place it works for a while and then stops with a complaint about "limit, or flame rollout is open" (...
4
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2answers
6k views

Why is my furnace filter alarmingly clean?

I have central air and heat at my appartment I moved into about 6 months ago. Today I decided it was probably long past time to figure out how to change filters in the furnace so I poke around until I ...
1
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4answers
4k views

Are 5" thick filters for furnace/Central AC still available?

My furnace/AC was installed about three years ago. It uses 16" X 25" X 5" filters. The problem is when I try to find a replacement at my local home center: at Lowe's, Home Depot, (you name it), I ...