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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0
votes
1answer
194 views

dryer vent near water pipe

I'm running a dryer vent through the floor close to a water pipe and am wondering if in very cold weather the dryer vent would get cold enough from outside air (with only the plastic cover on the ...
12
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2answers
3k views

Vent kitchen hood vent to roof turbine vent?

I had a contractor install a hood vent. He ran a foil pipe up towards the roof and tie it @ 6 in below the turbine vent (whirley birds). Is this adequate for all the fumes to escape out? Is this ok? ...
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5answers
6k views

Can I cut a hole in a 2“ x 8” joist that is less than 1/3 the height of the joist, leaves at least 2“ above and below the hole, but is 10” wide?

I would like to redirect a 5" air pipe to the other side of a 2" x 8", second story, floor joist so that I can have the vent exit a bathroom vanity kick plate. I realize I cannot just drill a 5" hole ...
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0answers
47 views

why the crawlspace vent is closed?

I just move to a home and noticed the previous owner closed quite a few crawlspace vent. It seems to be intentional. I am wondering why he choose to close most of the vents and leave some of them ...
3
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1answer
684 views

Island sink drains… slowly

We've converted our kitchen to an open plan by tearing out the wall separating kitchen from dining area, so that the sink and dishwasher are now in an island. The wall that I tore out, of course, ...
2
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1answer
153 views

Adding exhaust fan to semi-rigid dryer duct

I recently moved into a new house purchased by my friend/roommate/landlord. I plan on setting up my electronics workshop in the basement laundry area this weekend. Although there is plenty of space, ...
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1answer
442 views

How tight does vent screen have to be, to keep out swarming termites?

So I found some winged "ants" on my roof. My roof and crawl spaces have vents with 1/4 inch wire mesh, very easy for such "ants" to get into. Of course, they were not ants, they were swarmer termites....
4
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2answers
324 views

Can there be too many seams in a dryer vent pipe?

BACKGROUND: We have to vent our dryer outside and we will NOT be using any form of flex pipe. The whole thing will be vented with rigid 4" aluminum vent pipe. It is going to take a total 18' of ...
3
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2answers
61 views

Thermal Question About Heat Management

I have a house that has a loft. The loft has a flap at the highest point that has a turbine cut in the roof deck. On hot days the turbine will spin sometimes very fast as hot air escapes. My question ...
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2answers
137 views

Inspection suggested to replace vents between laundry and garage

I have a house up for sale, and a recent inspector called this out (to which the buyer is requesting to be serviced). When I purchased the house, my inspector did not say anything about these, so I'm ...
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1answer
88 views

Electrical Work Question

We had an electrician move our breaker box. He put in a junction box and ran a 100 amp cord, along with other wires next to one of our air vents. Is this to code? We worry that even if it is framed ...
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1answer
2k views

How to place a bathroom vent fan in a vaulted/cathedral ceiling?

I'm planning a renovation where the ceiling over the shower is vaulted to the rafters (see elevation below). Where is the optimal or recommended place to put a vent fan in this scenario? The rafters ...
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0answers
92 views

PVC Pipe Venting air outside

Why does hot air vent outside when heater isn't on? I understand it venting hot air out when heater is on but I don't know why it vents air when heater isn't on.
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1answer
528 views

Range Vent Hood Ducting - Can two 5“ ducts work in place of one 10” for a range vent hood?

Purchased a Kitchenaid Range Hood Vent that has a 1200 CFM blower. Instructions say to install a 10" duct vent. My existing venting duct was a rigid but small 6 inch duct. Unfortunately at demo ...
5
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2answers
6k views

Is PVC an acceptable pipe for a vent stack through the roof

I'm trying to figure out what type pipe I need for terminating a vent stack in the roof. Is it acceptable to run 1 1/2" schedule 40 PVC through the roof for a new vent stack. This will have 2 ...
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2answers
3k views

HVAC not quite reaching the loft/attic floor of my apartment in an old home

Hoping someone might have a solution for this problem. I've got an HVAC guy coming in a few days, but it's always good to have some other opinions, and to have some people who can help me come up with ...
1
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1answer
479 views

Can I vent a window air conditioner through a joist space for 30 feet?

The situation: We live in a one bedroom + den (rental). We're using the den as a second bedroom, as we're a family of four and that's what we can afford right now. The den has no windows, however, and ...
1
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1answer
295 views

To much attic exhaust venting? Help check my math

So I just had my roof done and wanted ridge vents. The roofer used VentSure® 4-Foot Strip Heat & Moisture Ridge Vents. I am trying however to check my math on my balance, and thing I have way to ...
6
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3answers
2k views

Is it OK to have an air conditioning vent above a kitchen cabinet?

We're getting proposals to add central air conditioning to our house. We currently have no ductwork so adding ducts and vents is part of the project. One possible duct location is on the ceiling over ...
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0answers
2k views

Prevent cold air from coming in through bathroom vent

I am considering building a vent with a fan in my upstairs bathroom that would exit out of the roof. Since the bathroom is in the center of the house it cannot easily be vented to the side of the ...
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2answers
4k views

Rain coming in bathroom fan vent [closed]

I just moved into a house and during the first rain we had a leak coming from the bathroom vent. The vent had been broken off above the roof, but was repaired before us moving in. What problems ...
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2answers
6k views

Is there a proper way to vent a garage into an attic?

So, I'm looking to install a set of vents in my garage door for the summer months. I insulated it last winter without realizing how hit it would get with two hot cars in it! Not to mention it really ...
0
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1answer
460 views

Reconnecting Rigid Dryer Vent Line

I was doing my annual dryer maintenance, when I noticed that the main dryer vent line has fallen off. Looking to reconnect without putting a large hole in the floor. In detail: We have second story ...
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1answer
2k views

How to prevent birds from entering a dryer vent?

Both of my neighbors have had issues with birds nesting in the vents in each of their houses. Securing the bathroom exhaust vents against birds seems straightforward to me: simply replace the vent ...
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2answers
401 views

Bathroom ceiling vent has a fan cover, and a duct behind it but no wiring. What does that do?

I'm in the UK. I believe this house was built in the late 90's. The bathroom (and toilet) both have ceiling fan vents with a plastic guard covering the vent. When I removed the guard to replace the ...
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1answer
280 views

How to prevent moisture problems in newly-sealed crawlspace from the 1800's

I'm renovating a Virginia home from the mid-1800's. The house is balloon frame construction, sitting on top of maybe four layers of brick, sitting directly on top of the dirt. In the past, the ...
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0answers
45 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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3answers
586 views

Can I unplug attic fan over garage

I recently moved into a new house and during the inspection, the inspector noted that there was a fan in the attic space above the garage. He also mentioned that I could probably just unplug it ...
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2answers
1k views

Vent AV closet into attic

I have a small closet (4x6) that I use to house my AV equipment (receiver/consoles/etc). This works great, but as the closet is in an upstairs room it gets quite warm in the summer. I would like to ...
3
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1answer
676 views

Ridge vent conversion creating heat problem

I have a classic 1964 rambler. I recently had a new roof put on and additional insulation blown in to bring the R factor to 40. The contractor recommend replacing the original venting with ridge vent. ...
2
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0answers
248 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 ...
4
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3answers
4k views

Can a bathroom fan be exhausted through existing gable vent?

My bathroom exhaust fan recently broke. When I went to replace it, I noticed that it wasn't being exhausted from the attic. I was about to make a separate hole in the nearest gable to exhaust the ...
2
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1answer
1k views

Installing a wall vent when stud blocks the opening?

I'm installing a rear duct range hood and need to open a ~4"x18" hole through the exterior wall. A 2x6 stud blocks the hole. I plan to cut the stud and place a header, jack studs, and sill around ...
3
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3answers
390 views

Properly Venting a Dryer

BACKGROUND INFO: We have an upstairs laundry room with the dryer vented directly into the attic space! House was built in '84, maybe had three previous owners before us. Not sure what the code was ...
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3answers
5k views

Reducing humidity with a fan: top or bottom?

In the basement of my apartment block we have several little storage rooms (~65 sq ft), one for each tenant. Inside of mine the humidity gets a little high to my liking because although it has 2 holes ...
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2answers
61 views

Drilling under a vent

I'm about to drill through dry wall to place in screws to hang a coat rack on. I noticed that there is a vent directly up on one of the places I have to drill on (picture shown and drill area marked w/...
3
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1answer
1k views

Backwater valves, furnace drains, and vent pipes

I'm having a house built and I got a picture of the drain pipes in the basement prior to pouring the slab, and it looks like this: The left blue circle is a floor drain for the furnace, the right ...
2
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2answers
310 views

Is this flue dangerous?

I had access to a ladder the other day, so naturally I was poking around in the attic of our house where we have lived for about a year. Above the closet where the furnace and water heater are located,...
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2answers
744 views

Extending plumbing vent horizontally

I am planning to finish the basement and have some questions regarding the plumbing. The builder already have the bathroom rough in but the location is at middle of the basement. I want to have the ...
2
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1answer
707 views

Venting by gas meter

We're looking at installing a natural gas tankless water heater, but the vent option with it (that would be easiest to install through our solid poured walls) would come out about a foot away from the ...
2
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0answers
4k views

Can I use flex duct for a range hood exhaust? [duplicate]

I am replacing an old range hood with a hood/microwave/convection oven. The vent from the old hood does not line up with the vent position on the new unit. I know how to remove the old vent and patch ...
0
votes
1answer
4k views

close an old hood vent

We are in the process is renovating our kitchen. One of the things we are doing is installing a more modern range hood instead of the older under cabinet hood. The new hood requires us to create a new ...
0
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2answers
12k views

Plumbing issue throughout house - gurgling coming from shower, bubbling in toilet, standing water in drain of shower

Update below: Main line snaked For reference, images of the drain. I'm going through the whole story in case any details might make a difference in prognosis. If you aren't interested in the ...
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2answers
1k views

What is this green pipe with an open end sticking out of the ground?

I'm looking at an REO property, and I cam across something and have no idea what it is. it appears to be a green pipe pipe in the ground that is open on top. It's on the side of the house, and there ...
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0answers
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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1answer
3k views

Why is the vent pipe in the basement and not the roof?

Apologies if this is the wrong forum to post this question. Our house has a vent pipe in the basement coming off the main stack (water line going to sewer). I understand there is a pressure ...
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0answers
322 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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0answers
52 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 ...
2
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5answers
26k views

HVAC supply vent noise: how to eliminate the whistling wind tunnel?

Every time the heat turns on (rented house), we are getting choked with too much dry hot air in our small room. When I try to close the supply vent it produces a really loud whistling noise. I either ...
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0answers
46 views

dryer vent . venting into the crawl space [duplicate]

Just bought a house no basement have a crawl space the dryer vent discharges into the crawl space . The furnace is also near by. ? Good or bad .

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