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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.

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52 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....
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1answer
19 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
16 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
30 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 ...
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4answers
122 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
49 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 ...
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3answers
46 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
39 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 ...
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0answers
14 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?
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1answer
51 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 ...
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1answer
25 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 ...
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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 ...
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3answers
121 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 ...
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1answer
63 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 ...
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1answer
62 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? ...
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2answers
65 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 ...
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1answer
85 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 ...
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1answer
39 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 ...
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1answer
36 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 ...
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2answers
70 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
34 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 ...
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1answer
85 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. ...
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2answers
46 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 ...
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2answers
98 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 ...
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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 ...
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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 ...
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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 ...
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1answer
27 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 ...
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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 ...
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0answers
88 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 ...
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1answer
473 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 ...
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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 ...
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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 ...
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1answer
367 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. ...
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2answers
85 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 ...
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2answers
57 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 ...
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0answers
27 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'...
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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, ...
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1answer
82 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 ...
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1answer
484 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)....
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2answers
44 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 ...
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0answers
173 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?
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0answers
46 views

Cooker hood venting close to eaves

I have had a new single story extension built to first fixtures; this includes a new kitchen area. Building Control (UK), will not sign off the extension until an extractor hood is fitted with ...
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0answers
41 views

Toilet Vent when no horizontal run

I am remodeling my own 67 year old house basement and putting in a full bath. The 4" waste line runs a few inches below the concrete floor and passes by the proposed toilet. Previously I replaced the ...
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1answer
320 views

Dryer vent hose not staying connected to the dryer vent even with clamp

I cannot get the hose to stay on the metal vent coming out of the dryer. I have tightened the clamp til I am almost bending the pipe but the venting material slides right off? Help and thank you!
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1answer
41 views

Can I use foil duct for Kenmore 700 dryer?

I pulled my dryer, and am reinstalling it. It had a semi-rigid metal transition duct, which was all bent out of shape, and looked like it had some holes forming (see pic). I did homework, and read a ...
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1answer
116 views

Ideas for covering vents to stop pests getting in?

We have a crawl space under our house and the wire mesh covering the vents is shredded. I want to keep the animals out and would like some ideas on the best way to do it. I was planning to replace ...
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5answers
3k views

Dryer venting problem

I own a home built in 2003. The laundry room is in the middle of the house, but also adjacent to the garage, I live in Florida. The dryer venting system is close to the floor, turns, 90 degrees, ...
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1answer
99 views

Do I need a wall thimble for thermal separation with a category III venting appliance?

I bought a tankless water heater that allows me to vent using category III. I've seen that wall thimbles are included in many category III termination kits, but am wondering if they are really ...