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.

65 questions with no upvoted or accepted answers
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93 views

Loud buzzing from hydronic gas boiler

I have a 105K BTU Raypak radiator boiler, similar to this one but a slightly older model (I guess mine is about 15 years old). The boiler heats and pumps hot water to 8 radiators throughout the house. ...
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222 views

Dryer booster installation forthcoming, any tips or warnings?

Background: As the title says, I'm about to (within the next week or 2) install a dryer booster for a new (to my friend, not newly built) house. The dryer vent goes through a couple bends behind the ...
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65 views

Replaced a Heat/Light/Vent with a vent only. There does not seem to be a hot wire:

The three gang box previously had a HLV combined switch plus a switch that operated a separate light. Stupidly, I removed and discarded the switches and units (light and HLV) without studying the ...
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2answers
1k views

How can install rafter baffle venting without removing drywall?

I have a finished attic, that needs to be updated. The pitched sides of the roof are sheetrocked & insulated, the ceiling is a suspended ceiling (will be sheetrocked) and the low knee walls are ...
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1answer
107 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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48 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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2answers
100 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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52 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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55 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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126 views

Dryer vents and mice

We have been dealing with mice since the fall, eventually we got a pest control company and their recommendation after setting their baits for ~3weeks is to seal all the cracks and holes. One thing ...
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187 views

Wet vent question

I'm building a little apartment above my new garage and am hoping to wet vent everything like in the above crude picture. In case it's not clear: a kitchen sink and lav are at the top of the line, ...
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1answer
552 views

Ridge Vents vs Gable Vents Energy Savings as a Percentage or $ Figure

I am having a new roof installed and there is an additional item Ridge Vents that I can add to the home - I currently have Gable Vents - no sofits. I understand that the gables need to be blocked and ...
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444 views

Toilets Burping and Gurgling

We always liked this toilet for it's strong and quick flush (American Standard Chamption, I believe, with a 4" flush valve), but now we consider it a problem especially seeing the water 'burping' up ...
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517 views

Repair/replace foundation vents in wooden siding?

The vents into my crawlspace are cut into the wooden siding and I'm not what the correct way to repair/replace them is. All of the examples and products I've seen show the vents in the concrete wall ...
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251 views

Is this drain setup adequately vented?

Pictures are coming after I find new batteries for my mouse. My basement has two vertical drain pipes. Drain pipe number one comes down directly from my bathroom sink. Near the basement ceiling, a ...
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1k views

Bathroom exhaust fan through clay tile roof

I've installed an exhaust fan in an upstairs bathroom and need to vent it through the clay tile roof. (pic attached) The standard 4" pipe jacks and flashings I'm finding at Home Depot don't seem to ...
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43 views

What to do about gap under outside bath exhaust vent?

The exhaust vent was broken so I installed a new one. After I finished, the previous homeowner apparently cut the siding too tall, or my new vent is shorter, but I'm left with this raggedy gap at the ...
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46 views

Return Air Vent

I am in the middle of planning a kitchen remodel. We are removing a non load bearing wall to open up the space. The wall has a big return air vent (using the studs of the wall). My initial thought is ...
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252 views

Backdraft issue w/bathroom exhaust and dryer connected to same air outlet

I live in a condo where a dryer and bathroom exhaust both connect into a Y connector that flows into the same pipe and into the building air shaft. I understand that these two appliances on the same ...
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48 views

3“ radon vent 4” roof jack

I have installed a 4" oatley vent flashing and drilled holes in roof and walls with a 4-1/8 bit. Unfortunately the radon coupler out of the concrete is only 3". This was a plumbing mistake and long ...
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205 views

Can a horizontally-vented kitchen exhaust have a downward-facing outlet in a soffit?

Can I vent a kitchen exhaust fan horizontally to an exterior soffit, ending with a downward outlet/cap? (Or must the outlet be horizontal (through a wall) or upwards (through a roof)?
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141 views

Why does the Hartell Reservoir style pump require no venting, while the Little Giant Drainosaur does?

Why does the Hartell Reservoir style pump require no venting, while the Little Giant Drainosaur does? See links below for more info on pumps Hartell Pump Little Giant I am having a hard time ...
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44 views

Trickle vent - surface and airflow

If a trickle vent is rated at "2000 mm2", does it mean that one needs to drill holes in the window frame that have a total surface of 2000 mm2? How many liter per second or m3 per hour would such a ...
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719 views

How to best connect this microwave to the exhaust vent?

I'm trying to connect my microwave to the existing exhaust vent. The problem is that the microwave is about 1 inch to the left of the actual vent. This is the part that I'm struggling with. I have ...
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189 views

Can a cheater vent be installed in a vanity drain that maybe running into a roof vented drain?

Can a "cheater vent" be installed in a vanity drain that MAY be running into a roof vented drain? All p-trap , tail piece is new and drain line has been cleaned with a drum auger netting no major ...
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1k views

gas fireplace smells

I bought a house that was vacant for a year and a half. It has a gas fireplace. The plumber that fixed the heating unit supposedly looked at the fireplace too and lit the pilot for me. I lit the ...
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754 views

how to insulate attic bathroom vent to prevent condensation

i bought a house in june and the bathroom fan start dripping water a few weeks ago (november). I looked at the inspection report and the picture shows that the vent duct through the roof isn't ...
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47 views

Can I extend attic vents so they don't get blocked by snow?

I have 2 square low profile attic vents on the detached garage but I'm pretty sure they are blocked with snow during the winter. If I should alter them, are there extensions available to raise these ...
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48 views

How can I reduce the noise from an HE boiler vent?

I have a HE boiler that is direct vented out the side of my house on the neighbors side, they find the 'roar' of the exhaust to be very annoying. Have anyone tried troubleshooting these to dampen/...
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2k views

How can I tell if my bathroom ceiling vent is working properly?

Seems to take the vent forever to clear shower vapor from room. I purchased a vent that had a good rating. It is vented to the outside. How do I know if it is working properly and actually venting to ...
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1answer
584 views

What type of chimney liner and vent pipe are required for a wood stove?

I am working to rehabilitate an old chimney for use by a wood stove. There will be approximately 18 ft from the wall chimney socket (this is probably not the correct name for it) to the chimney top ...
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1answer
458 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
49 views

Crawlspace encapsulation

This past weekend I recently had to fix the flooring of my family cottage. In a heavy-traffic side entryway, the plyboard floor was bending when you walked over it. We opened up the floor to see ...
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1answer
112 views

Hot Garage - Do Garage Door Vents Work?

My Garage gets hot in the summer! Outside temp might be 85 degrees Fahrenheit but in the garage it's over 110. If I leave the door open about 8 inches temperature equals out. Issues with leaving ...
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40 views

toilet won't drain - appears to be no blockage

First floot toilet - extremely slow drain, more than 2 hours. Bath - extremely slow drain, ditto. Sink - gurgles a bit (also while bath trying to drain) but will drain with cold tap going full blast. ...
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28 views

Is there a simple way to evaluate whether a vent stack is clogged?

I recently spoke with a home owner who has had a number of plumbing issues, ultimately resulting in a new sewer line run from the residence to the main. The homeowner is concerned that there may still ...
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1answer
53 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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34 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 ...
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44 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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36 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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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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49 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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59 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
48 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
41 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
34 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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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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271 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
48 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
151 views

Trying to understand the venting in my home

I'm trying to make assumptions on the purposes of the vents in my home and I understand that it may not be correct without opening up walls. It would be a great help for me in knowing how my home ...