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Questions tagged [vent]

For questions generally relating to the exhaust ventilation of air from inside the home, and/or methods to promote proper airflow thorough various spaces in a structure.

2
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2answers
32 views

Question on drywall patch in the ceiling

I have a ceiling vent where the drywall is cut a bit larger than the actual vent. I was looking for some advice on the repair. The duct is mounted to a stud along the top (a piece of the stud is ...
0
votes
1answer
30 views

Drywall before or after vent installed?

I have a large (14x20) wood louver with a frame that is going over a return vent. Should this be installed first and then have drywall put around it, or should I install the drywall first, then cut ...
1
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1answer
39 views

Can you shorten class B water heater vent pipe?

New gas hot water heater is 5" taller than old (of course the same size would be too easy).Flex water and gas lines -no problem; but the class B ( double wall ) exhaust vent is ? Can it be cut? How? I ...
2
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2answers
45 views

Basement Bathroom Venting Help

Our basement has been roughed in for a bathroom. My layout has a three floor PVC pipes coming out of the ground. The left most pipe has a tipped over bucket cemented onto the floor. There is a middle ...
0
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1answer
41 views

venting bathroom fan through soffit

So here's my experience of venting through the soffit. The humid air from the bathroom is expelled downward and rises up again to the soffit and in very cold weather in Canada it freezes there, then ...
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1answer
32 views

Stalling roof turbines to improve air flow?

My landlord claims that roof turbine ventilators move more air when they do not spin—e.g. by stalling it using a piece of wire tied through the vent and the brace. His reasoning, roughly, is that when ...
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0answers
14 views

Bathroom Vent Fan Leaks

I have red water leaking/dripping from the vent bathroom fan in the second floor bathrooms. This only happens after a good snowfall and during the snow melt as it warms. We get about 6 hours of ...
0
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2answers
59 views

Is there a dimmer light switch with secondary constant 120V output?

I have a vent fan and an overhead light in my bathroom. They are currently tied to one standard light switch. When that light switch is in the "on" position, the vent fan and light are both powered on....
1
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1answer
24 views

Flashing and/or sealing for vent through built-up roof (BUR)?

I'm reconfiguring plumbing and need to poke a new vent through the roof of my Chicago two-flat. It's a built-up roof of tar, felt, etc., with a slight grade. How to finish the roof portion so that ...
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0answers
25 views

Best way to connect to short dryer duct inside wall

What is the best way to connect my dryer securely to this outgoing dryer vent? Should I find a small connector piece, place the crimped end inside the vent, and secure the inside of the joint with ...
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0answers
31 views

Nice way to cover vent and drain after removing washer dryer

We have moved out washer and dryer upstair. But the basement bathroom still has all the vent and drain holes. What is the best way to cover or make things look nice (beside drywall over)? UPDATE 1 ...
5
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4answers
126 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 ...
1
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2answers
80 views

Sewer gas smell in replumbed old house

We bought a 1920 house about a year and a half ago and occasionally we can smell a sewer gas odor and I’ve been trying to figure out what the cause is. Whenever we smell it, it’s coming from either ...
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0answers
23 views

What is a compliant box for a range hood in terms of a correction request by an inspector?

I’m remodeling a kitchen and the electrician wants to charge extra to fix wiring issues with the range hood and junction box. However, the inspector told me that one of the corrections the electrician ...
1
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3answers
55 views

Does using an existing attic exhaust pipe to also serve air flow from a range hood cause smells/micro particles of oil/soot/etc to get into attic?

Our kitchen renovation contractor decided to change plans on us and vent the range hood out via the same pipe as was pre-existing to passively control the temperature in our attic, instead of vent out ...
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0answers
43 views

Ventilating closed-off chimney

I'm installing a flueless gas fire to an old chimney breast in a ground-floor living room and the fireplace in that chimney is being completely sealed off as a result. I'll be capping the chimney ...
0
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0answers
20 views

Range Hood vent and rules regarding distance from windows/doors

I want to exhaust my range hood directly through the wall. I have a brick veneer house. There are 2 windows and a door close by. What rules need to be followed?
1
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1answer
62 views

Is my plumbing drain/vent setup ok?

I'm new at plumbing, working on installing a master bath in our house. Pictured is the room with the shower pan in place, a vanity drawn where that will go and you can see the toilet flange sitting in ...
1
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1answer
27 views

How to remove a bathroom fan vent grille for cleaning

I have a bathroom fan vent that doesn't completely come off, it stays attached but pops down (see attached images). Should I clean these things using a ladder, or should I remove them and wash them ...
0
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1answer
30 views

gurgling sound in the power vent pipe

My Furnace is a high eff furnace with a power vent. There is a gurgling sound in the power vent pipe, when it is running. I noticed that the vent slopes up then has a 90 elbow then slopes down ...
0
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3answers
278 views

Can I replace a microwave with a range hood exhaust vent without doing carpentry?

My fairly small kitchen has a standard (30") four-burner slide-in gas range, and above it a microwave with a built-in vent. All over 10 years old. The vent exhausts to the exterior via a duct that ...
0
votes
1answer
65 views

Flexible duct behind dryer looks a little sketchy

So we just noticed that the air flow in our house is always bad when we run the dryer. Looking behind the unit, we found a foily looking mess of a flexible duct behind the dryer. It looks almost like ...
0
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1answer
174 views

Restrictions on 90 Degree Elbow for a Bathroom Exhaust Fan?

The manual for a certain (100CFM/4") bathroom exhaust fan has a restriction on using 90-degree elbows close to the unit. Why is this? Is it okay to use 90-degree elbows further down the exhaust path? ...
1
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2answers
198 views

What Type of Ducting Should Be Used for a Bathroom Exhaust Fan?

I'm planning on installing a Bathroom exhaust fan (Just a note, the port is 4") and am curious as to what kind of duct should be used. I've heard that the duct should be insulated to prevent water ...
3
votes
1answer
216 views

How much clearance do I need above a floor vent?

I am building a custom shelving unit that will sit over an inconveniently located floor vent/diffuser. My thought is to raise the bottom shelf up on stubby legs so that it does not block the vent. The ...
0
votes
1answer
40 views

Making your own B Vent Attic Insulation Shield?

I'm installing a 45k BTU gas heater in my garage. It will be a vertical vent installation with 3" b vent pipe and I'm going to insulation the attic with about 18" of cellulose insulation. No one ...
1
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1answer
37 views

Wall grille that fits one step stair

Between my dining room and living room upstair area, there is one step down and there is a wall grille that is 5.5" tall. What drives me nut is there is no 14x5.5 grille anywhere. There is either ...
1
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2answers
82 views

How to install vent cap over cement pipe?

The picture attached is a cement vent pipe I found on the roof for water heater venting. Looks like the cap has been broken off, but I have no idea what was the original looks like. The diameter of ...
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2answers
35 views

Condensation though vent

We bought an underground house (bunker). After installing bathroom ceiling vent fan we have condensation dripping from fan. Due to using existing duct work that runs up through 9 inches of concrete ...
1
vote
1answer
88 views

Can I reduce dryer vent through basement wall?

Can I reduce my 4" solid dryer vent pipe to a 3" at the outlet, my foundation has only 3 1/2 " opening between floor and concrete to cut through. This picture shows where the vent to outside will go. ...
0
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2answers
50 views

Covering intake register for a whole house fan in winter

The register for the whole house fan blows cold air in winter from the attic. I would like to cover it up to avoid this. I have seen HomeDepot/Lowes sell magnetic covers. However reviews indicate ...
1
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2answers
116 views

How can I clean out a dryer vent which exits under my backyard deck?

Since I cannot reach the end of my dryer vent cover to push all the lint out with the long brush kit, what is the next best way to go about cleaning it? Would using a shop vac hose work and suck it ...
1
vote
1answer
133 views

What is this microwave filter thing?

During the process of remodeling my kitchen, I removed the Over-the-range Microwave but when I put back in, I saw this piece I frankly cannot fit it anywhere, not in the bottom or on top at the vent ...
6
votes
2answers
1k views

Bathroom Vent Fan Upgrade

I am upgrading an undersized bathroom fan that is 50 CFM and has (possibly) a 3" to 4" exhaust pipe. The new fan, which is 150 CFM requires a 6" exhaust pipe. Do I need to rip out the existing vent ...
0
votes
1answer
32 views

Direct vent boiler exhaust exiting close to brick chimney

The exhaust vent for our Burnham Spirit direct vent boiler currently exits very near the junction box where I recently installed an IR-triggered motion-sensitive floodlight. The hot air is causing ...
0
votes
1answer
29 views

Extend sidewall hot water tank vent outside?

I have a power vented hot water tank just on the other side of the wall (and in the basement) from the exterior pipe you see in the picture. The problem is that the steam vents onto my wife's flower ...
0
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0answers
26 views

Additional vent for Heating Boilers

I have a very old house and I am renovating my basement and i recently bought a new 140k BTU boiler for heating. I have a separate boiler for hot water. Both boilers are being vented through a Chimney ...
0
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0answers
169 views

Can I put in a vented bathroom fan in my condo

I just purchased a condo in Myrtle Beach, SC - it is the first time I have owned a condo versus a house. While exploring, I found that the bathroom fans don't vent outside, they just circulate the air ...
1
vote
1answer
729 views

Adding Soffit Vent for Bathroom Fan

I have a small bathroom with exterior walls in an area of my home with a vaulted ceiling (and thus no attic access.) When I moved in, the exhaust fan was uselessly "exhausting" directly into a ...
1
vote
2answers
68 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 ...
1
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0answers
46 views

Air brick in old Toronto home?

We have a house that was built in 1937 in Toronto. It is a double brick design. On one of the outside walls, I can see what appears to be a single-brick-sized vent and I don't know what its function ...
0
votes
1answer
533 views

How to make a 8 inch hole through a brick wall for venting

I am planning on Installing a Vent hood the manufacturer recommends 8 inch duct work. I am looking for options to make this hole. 1) Diamond hole saw. I couldn't find a diamond hole saw in 8 inch. ...
1
vote
2answers
88 views

Are there any options for connecting into main stack for venting branch below waterline?

Are there any options for connecting into main stack for venting branch below waterline? Could I go up for a few feet with a with a wye join and then come back down? The reason for trying to come up ...
0
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2answers
59 views

Are air vents in a house intended to let some air through when they're closed? Would it be bad to completely seal it?

I would like to be able to use the vents in my house in a way that targets specific rooms/areas more than others. Sometimes I want to completely close off a room from being temperature-regulated by ...
0
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0answers
28 views

Hood vent duct in floor - sealing it

I have an 8" duct that comes up through the kitchen floor (runs in subfloor between basement and 1st floor and vents outside) and through a kitchen cabinet bottom that will house a pop up vent. I can'...
1
vote
1answer
32 views

Connecting a vent fan

I have a new vent fan, but no instructions. The old van had a light and fan, and I have two wall switches for it. The new fan has a light and fan as well. In my ceiling I have a black, white, red, ...
0
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1answer
99 views

constructing mechanical chase

I'm thinking about putting a mechanical chase in my home to connect the roof to the garage. The chase would contain the flue for water heater and furnace, and possibly a dryer vent (separate from ...
2
votes
1answer
742 views

What is this round roof vent fan called and how does it work?

The following round fan is installed in a residential roof in a house in Pennsylvania. The roof also has soffit and ridge vents. The round part of the fan spins, but it is unpowered (by electricity)....
0
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2answers
45 views

Incandescent Equivalent for Bathroom Fan/Light

We are looking at lights/fans for the bathroom. We don't want to spend a lot of money. The fan/light combination units at Menards and Depot say to use incandescent or energy-efficient equivalent. The ...
0
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0answers
192 views

How do I remove the cover from a square drop ceiling diffuser?

How do I remove the cover from a this square drop ceiling diffuser to adjust the diffuser?