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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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Cooling a room with no window?

My room is always hotter than the rest of the house. It just seems cool air can't get to this part of the house. The lack of a vent in this room probably doesn't help either. Also, my roommate prefers ...
user77033's user avatar
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1 answer
31 views

Vent pipe flashing for two 2" PVC vent pipes that are almost touching (1/4" apart)? How?

They're too close together to use any conventional flashing product. Standard shingled angled roof in Phoenix, AZ. They're an intake and exhaust for a gas tankless water heater. There was ...
libbynotzoey's user avatar
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1 answer
86 views

What attic ventilation strategy is appropriate for my house?

We're trying to assess our attic ventilation and would love any feedback or advice. Our attic is 1600 sqft, our roof slope is 2.28:12, and the prevailing winds in our area are southwest. We have ...
Maria 's user avatar
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What to do with duct in attic if I want to put in floor boards

We have big duct pipes running through the attic. We want to put flooring down but the ducts are long and thick and I don’t know if we can move than
Naveen's user avatar
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2 answers
56 views

Dryer ventilation through concrete tube

We recently discovered that our dryer vent duct terminates in some kind of concrete tube before exiting the house. This is a picture from the outside (sticking my phone into the vent). I don't think ...
HomeFixerUpper's user avatar
1 vote
1 answer
81 views

My bathroom sewer vent is in the bathroom, it does not go out the roof?

My toilet is right next to my sink they are only about 10 inches away from each other. Right in-between them is a vent pipe. There's literally 5 inches from pipe to toilet, and 5 inches from pipe to ...
Deanna Herrera's user avatar
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36 views

How to best cover this dryer vent?

The dryer exhaust hose seemingly goes from a 4in to 3in inside the home. Not sure what the previous owner did but it is exposed (SHOCKED no critters are inside) and the opening is a bit awkward with ...
Evan's user avatar
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1 answer
46 views

Wooden ductwork ok for kitchen vent?

We have a cabinet mounted microwave that acts as the vent for our stove. The old external vent cover let rain in to the microwave so we replaced both. We hired a handyman to mount a new microwave, ...
duct duct lose's user avatar
1 vote
1 answer
63 views

Bent ductwork at vent?

Am I looking at ducting that’s folded back into the vent in this picture? There was a return register before that just sat on top, and I went to replace it with an adjustable register but since it has ...
nkrum's user avatar
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25 views

Can I lower the height of a sewer vent pipe joint?(2 45°)

1976 home, it had pipes routed through the empty space below/behind the 1-piece shower. I’ve ripped it out but the 45° joint on the sewer vent pipe is an inch or two too tall to fit any new alcove tub ...
Noah's user avatar
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2 answers
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Sewer Copper Vent - big leak when AC turns on

Here in Central NJ, 5 day average has been 75. Bi-level with full attic. First time in 5 years this is happening. Every time the AC kicks on, OR the kitchen sink runs, a leak runs down the copper(?) ...
jcarpenter's user avatar
3 votes
2 answers
420 views

How can I fit an HVAC vent louver alongside door casing?

We are redoing our bathroom and this is the last piece of the bathroom remodel puzzle (besides caulking and paint touch ups). The old register is nasty looking and broken and needs to be replaced. It’...
Jamo Kisor's user avatar
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67 views

Are these sewage vents or cleanout in our backyard?

We saw this in our backyard. We are thinking the opening on the black pipe with the black cap tilted sideways is the sewer vent, and the grey "mushroom-looking" cap is to cover the sewer ...
Frank TheTank's user avatar
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1 answer
55 views

Ecovent smart vent not integrating with Zigbee hub

I'm not sure if this is the best forum to post this question. Please feel free to suggest/repost to appropriate community if needed. I just bought Ecovent Smart Wall Vent ENEV412C. It didn't come with ...
IsaacS's user avatar
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Kitchen sink stops draining, then resumes once toilet is flushed

A strange occurrence has happened twice in one week at my home. The first occurrence: my wife was using the toilet and flushed lots of toilet paper, which slowed the emptying of the toilet bowl, but ...
Steven's user avatar
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2 votes
2 answers
64 views

How do I vent shingle roof with no attic with valley thats gets ice dams?

I am getting my shingle roof redone in the next month or so. I have a house in Toronto (zone 5) and we get a decent amount of snow. My roof can get ice dams that kick water into the house. The house ...
Caroline lexy's user avatar
1 vote
1 answer
42 views

Installing door seal with MVHR system to prevent noise?

UK based, small apartment. I have a windowless bathroom with shower, and one mechanical ventilation heat recovery system (MVHR) linked exhaust. As such, installing a fan would involve some serious ...
Liam's user avatar
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1 vote
1 answer
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Double vanity, one sink drains slowly

Pics show waste and vents above floor and below. The drain on the right connects to the main waste pipe. (It’s near enough that it doesn’t need a separate vent.) The one on the left has a vent with a ...
jbbenni's user avatar
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1 vote
0 answers
19 views

How to add a vent to the washer?

There is a pipe coming out of the floor and it's what the washer hose drains into. Recently it started backing up. Had a plumber come out and he said it needs to be vented. Said he could add a p trap ...
Meghan's user avatar
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refill trap in drain for heat pump condensate

Bad smell in laundry room. We have a clear plastic condensate drain (D) from air handler (for heat pump) in attic. In the laundry room, D is visible in the wall opening that holds the water pipes for ...
Catherine's user avatar
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Roof pipe vent leak into wall

I was on my roof a couple of days ago seeing if there was tile damage after a hail storm and I noticed on one of the pipes that the pipe flashing was old and cracking and able to let in rain (Pic 1). ...
Chris Bucheit's user avatar
1 vote
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Removing air vent in bedroom - Do I need to re-do it?

My old 1930's(ish) house has an air vent to the outside on one of the walls. We have had new vented windows installed so this isn't needed anymore. I took the vent off the wall, to be greeted by the ...
MCG's user avatar
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40 views

Is there a standard formula or rule of thumb for how much airflow a whirlybird/turbine roof vent will achieve given a diameter and a wind speed?

I've been looking for effectiveness measures for whirlybird vents for a while and I can't find anything in building codes, and only one empirical claim from askthebuilder.com for a relationship ...
Steve's user avatar
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Brick Facade - Help me Expand an Existing Hole Without Doing Damage

I want to modify the existing openings on the facade of my house into the crawlspace. The current "vents" are just gaps in between the vertical bricks. I'd like to remove the bricks and ...
goldtistic's user avatar
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0 answers
21 views

Vanity over an air register

Our existing vanity had a deep kick plate to allow for the air register, now we have a new floor laid and I've even shortened toe register from 12 inches to 10 inches but almost any vanity I can find (...
Jeff_Home_Improve's user avatar
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36 views

Best Practices for Installing Metal Vent Caps on Cast Iron Vent Stacks - Preventing Galvanic Corrosion

I'm in the process of replacing vent caps on my roof's sewer cast iron vent stacks. I have a few concerns about galvanic corrosion and proper installation: Galvanic Corrosion Concerns: I'm ...
LeanMan's user avatar
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1 vote
2 answers
81 views

Is this safe for venting sewer gas?

I have a PVC vent stack that arises from the concrete floor of a one-level home, and rises straight up through the ceiling, into the attic, and out the roof. The stack is currently in a wall. I want ...
J. Remensperg's user avatar
0 votes
1 answer
95 views

Could I use this Sanitary tee with left and right inlet?

My toilet, sink, and tub are all tied in to a cast iron Wye, and my sink is not vented so I want to re arrange the plumbing. Would this setup be up to code using a left and right side inlets facing ...
Jrivers's user avatar
  • 101
0 votes
1 answer
53 views

Where to run 4" exhaust fan duct?

I'm installing an exhaust fan in my bathroom. I plan to install it somewhere left of the octagon box that you see in the picture, However, there's a 5 3/4" joist right there. I'm not sure if I ...
Scrap Money's user avatar
1 vote
2 answers
105 views

Can I reduce the size of my baseboard diffusers?

We are going through a home remodel. I want to replace our baseboard diffusers because I feel they are too big for the vent. The size of them are 25inches. The dimensions of the vent are 12 Length x 2....
Justin Whiteside's user avatar
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0 answers
62 views

Vent cap came off, there's no fastener holding it

I did bathroom remodels recently. Then there was a strong wind a few days ago, and one of the vent caps came off of the roof. Today I went up on the roof to find out there's no hooks on vent to hold ...
sZYihtgrBZ's user avatar
0 votes
2 answers
335 views

How can I reconfigure a range hood duct to be centered on the wall?

I would really like to center a new 30” rangetop on our kitchen wall. The original cooktop was off-center to the right. After removing the cabinet doors over the cooktop I discovered that the range ...
slock's user avatar
  • 193
1 vote
1 answer
194 views

Are gable vents necessary w/ adequate active or passive ridge ventilation?

I'm about to get my roof replaced and while that is happening I am trying to correct some very outdated attic ventilation design. For context, I am in Southern Arizona so primarily hot & dry. My ...
icurays1's user avatar
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1 vote
0 answers
60 views

Heat pump running too much

We built a house 3 years ago. It has two heat pumps and the upstairs one runs way more than it used to. The temp is set to 68 and every time we go upstairs to check it it says the temp is 68 but it’s ...
Erin's user avatar
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0 answers
44 views

What could be inside this conduit in my kitchen wall?

I was having electrical work done in my kitchen and they cut a drywall hole behind my oven, and uncovered this curious conduit or vent pipe or something. It's quite hard, almost cement-like, clearly ...
swrobel's user avatar
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0 answers
24 views

How can I insulate gas range down vent to prevent cold air blowing through? [duplicate]

I have a Jennair gas cooktop in the island of my kitchen on the second floor of my house. It has two burners on either side with a downdraft vent/fan in the middle. We are in the middle of an ...
user181118's user avatar
0 votes
1 answer
33 views

Dryer vent duct

I bought a new dryer to replace an old one. I am using the old flex duct that was connected to the old (cleaned it first). Can I attached the flex duct right to the back of the new dryer (with clamp)? ...
Wesolon's user avatar
0 votes
0 answers
21 views

Dryer vent installations

I think I have a pretty basic question… I bought a new dryer. The old dryer used a flexible vent out to the wall but also had a rigid small 90 degree elbow connecting the flex vent to the actually ...
Nick's user avatar
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7 votes
1 answer
2k views

How can I seal a foundation vent?

I have a foundation vent that lets water into the basement and leads to flooding when it rains. I have plenty other vents and so I would like to completely close this one. The water comes in because ...
Apna's user avatar
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0 votes
1 answer
277 views

How can I seal my dryer vent elbows?

We have a dryer vent in our apartment that has a couple of twists and turns (due to the design of the floor plan) on its way out to the roof to vent. The twists have been done by elbow joints covered ...
Gryfone's user avatar
1 vote
2 answers
103 views

How to fix a broken section of horizontal sewer vent pipe

We moved into a house in Oregon 3 months ago and were plagued by sewer smells both inside and outside one side of the house. We found in the crawl space an approximately 12 foot horizontal section of ...
Bruce's user avatar
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1 vote
0 answers
58 views

Why is there a hole to nowhere bored in my foundation? Better to seal it or leave it be?

Continuation of Air exchanger stale exhaust too restrictive? Some other issue? where I had incorrectly identified this bizarre vent as my passive air exchanger's stale air outlet: I finally opened ...
msanford's user avatar
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1 vote
3 answers
167 views

Better gas range venting under microwave

My microwave venting is not working Over my gas range. I have no access to vent outside. Is there any type of heavy duty filtering vent available to mount under the microwave or to the wall under the ...
Tod Spendlove's user avatar
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0 answers
308 views

Ceiling insulation where there are no soffit or ridge vents

I want to insulate the ceiling in my garage, but it has no soffit vents or ridge vents. (Currently it is completely uninsulated and there is a vent in the attic space to the outside to maintain the ...
HomeinPA's user avatar
1 vote
2 answers
167 views

Should I close crawl space foundation vents in winter with a furnace present?

I am living in a house for the first time that needs proper winterization in the winter. However, the house that I am renting was built in 1941 and is rather convoluted in a lot of ways. I was looking ...
Nick P's user avatar
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0 votes
0 answers
53 views

Register for vent with almost zero floor clearance

I bought a house built in the US in the mid 70s, and the vents for the forced air system are mostly at the baseboard level. The original vent covers were something like this, like a wall register but ...
Sam Mussmann's user avatar
2 votes
2 answers
2k views

What is the best way to add a vent over this door?

I would like to add a vent above the door to my laundry room because it gets fairly warm in there when the door is left closed for any significant amount of time. All that's there is a single layer of ...
5E4ME's user avatar
  • 309
4 votes
2 answers
2k views

Can the exhaust duct of an ERV vent *into* the garage?

I am looking to install an ERV in my house and am currently trying to determine good locations for the intake and exhaust vents. While I have identified other candidate locations for the exhaust vent, ...
Andy Hall's user avatar
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1 vote
2 answers
140 views

What to do about disconnected metal pipe for drain vent?

I noticed in my basement by one of my drains the pipe that goes up to vent is disconnected. It looks like the connection must have rusted and broke free at some point. I believe this means the sewer ...
Brandon Tlachac's user avatar
0 votes
0 answers
68 views

How do I vent a new above-range vent on an interior wall into the previous, existing island downdraft vent which outlets 36’ away

How can I tie in a new range hood, interior wall (with 2nd floor) to the previous down draft island vent (1986). The vent would go 13’ then into a crawl space under a sunroom and will exit at a total ...
Farmefatale's user avatar

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