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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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
73 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/...
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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 ...
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2answers
318 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
813 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 ...
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1answer
802 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 ...
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0answers
5k 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 ...
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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 ...
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2answers
13k 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
361 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 ...
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5answers
27k 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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1answer
144 views

Can I close my gable vents now that I have one solar fan?

I have an 84 yo Tudor style home in Hawaii that looked fantastic when we first bought it. Living area is 2500 sq ft. It's quite unusual to find such homes because many don't survive the termites. ...
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2answers
2k views

How do I handle baffles at the corners on a hip roof?

What do the energy pros do here in the corner of a hip roof? I don't have enough room to install a baffle. I want to install insulation here, so I'm not sure if I would run into problems with moisture ...
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3answers
6k views

Best way to make a hole in concrete wall

So my house has concrete walls and ceilings. There a few places i would need to remove some large holes like for vents or light fixtures. I was looking at a concrete hole saw which seems to be a good ...
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1answer
3k views

How to vent a 2nd clothes dryer?

Bought a new washer+dryer. Old washer+dryer are still working fine, so I figured I will keep the old dryer and just dispose of the old top load washer (the new one is a nice front load). They're both ...
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1answer
6k views

How to install dryer ducting inside existing wall?

I'm thinking about installing a recessed dryer box like this. http://www.homedepot.com/p/Dundas-Jafine-Recessed-Dryer-Vent-Box-DRB4XZW/202449693 Apparently with 4" studs you have to compress the ...
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1answer
193 views

Can I vent room air to the outside?

The building interior gets hot during the day and stays hot during the evening when it is much cooler outside. It would be a really great option to simply vent the hot air outside instead of having to ...
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1answer
3k views

How to hang a dryer vent in a basement ceiling?

I have an old house and had to rerun the dryer vent line from the first floor through the basement and then to the outside of the house. I basically replaced everything the previous owner did with ...
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5answers
15k views

Bathroom vent through existing roof vent

I have a roof with two gable vents as well as slanted vents that look a lot like these one: I do not want to install an extra vent specifically for bathroom so I was wondering if I could use one of ...
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1answer
607 views

Can the back side of a window type aircon exhaust in an empty ceiling area?

I'm planning use a window type A/C on my little attic room. My A/C unit is just .5 HP, just enough for the small room. The problem is there's no proper exhaust area like the standard Window type. ...
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1answer
336 views

What is this 6" vent coming out of the main furnace trunk going under my deck for?

I have a 6 inch round duct that comes out of the main trunk about 5 feet from the furnace. It runs through the basement and outside the house (under the deck). What is this? The furnace also has 2" ...
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4answers
36k views

Bathroom fan with no outside vent

What's the purpose of a bathroom fan with no outside venting? One of my bathrooms is set up this way. I'm about to redo the ceiling, and I'd like to replace the fan unit with something better looking, ...
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1answer
8k views

How hot should my hot water heater vent get?

My gas hot water heater's flue/vent is very hot to the touch. Is that normal? How hot should it get?
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1answer
1k views

possible to have too much soffit intake venting for roof/attic?

Is it possible to have too much soffit intake? Currently my simple gable roof on a ranch home has 8 RVO38 vents but NO soffit intake vents (terrible!). Of course the attic space runs incredibly hot ...
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2answers
1k views

How to enlarge a 4 in. vent hole on exterior wall

My house is covered by sheet metal and I currently have a 4 in. vent hole from a previous air exchanger. I'm changing the air excahnger and require a 5 in. hole. So I basically have to make a hole ...
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3answers
130 views

Should I add another gable vent to my attic?

I have a long house with a 3 sq foot gable vent on the east end. I have two 6 ft long roof vents in the middle and I want to know if I should install another gable vent at the west end to increase ...
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2answers
21k views

Can a plumbing vent pipe be vented horizontally?

I live in NYC and I have a plumbing vent pipe which vents through the roof. The vent pipe however has some "angled" pipes which bring it out into a small section of a bedroom to avoid going through ...
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1answer
4k views

When installing rigid dryer vent and connecting pieces

When installing rigid dryer vent and connecting pieces together do I use foil tape or those circle things you put on outside with a screw to tighten? Also is it a good idea to use duct connectors ...
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1answer
60 views

Bathroom vent installation

What kind of contractor do I call to have a bathroom vent installed? I also need a vent put in above my stove. Thanks
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1answer
950 views

Replacing ceiling vent cover

I need to re[place the ceiling vent cover but the screw holes of the new cover Do Not line up. One screw goes into the existing hole but the other screw only will go into the drywall and then it hits ...
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1answer
1k views

How can I route an in wall dryer vent through double top plate?

I am looking to move the washer/dryer into the 1st floor walk in closet. Part of the process is putting in a dryer vent. I have seen some in wall vents for dyers and considering that as an option. ...
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1answer
3k views

Can a dryer exhaust through PVC in a slab?

I have a single story home in California, with a concrete slab foundation and a laundry room located in the hallway. The dryer vent connection is just a PVC pipe running down into the slab, and then ...
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0answers
216 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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1answer
836 views

Can dryer vent touch ABS pipe?

I am installing a dryer vent (using rigid aluminum vent). The vent will be running along the same path as a 1.5" ABS pipe (which is used as drain vent, so no water flows through it). Would it be a ...
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2answers
1k views

Dryer isn't drying clothes. I've tried all of the common solutions (I think)

My wife and I just bought our first house. I think that we discovered that our dryer vent is going to require some regular maintenance to keep it clean and able to dry our clothes. When we moved in, ...
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4answers
2k views

Dryer Vent Exhaust Fan

My wife and I just bought our first house. I think that we discovered that our dryer vent is going to require some regular maitenence to keep it clean and able to dry our clothes. When we moved in, ...
2
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1answer
699 views

Gas dryer vent install, how close to wall?

I am installing a gas dryer, I understand all the requirements, but cannot find anything that addresses this question; my install comes out the back of the dryer and goes vertical about 4 ft, then ...
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0answers
148 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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4answers
837 views

Why does my stove vent fan take time to turn on

The vent hood is quite old. For some reason when I flip the switch to turn it on it takes 10-30 seconds to actually turn on. I've checked it and there's no power flowing for those 10-30 seconds. There'...
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1answer
1k views

Bar sink drain/vent

I am in midst of finishing the roughed in full bath and want to put a bar sink on the wall behind the tub. I will add pictures later- once I am able to get some good shots.... The way it was roughed ...
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2answers
16k views

Are there optimal positions for A/C and heat register grills to be facing?

I noticed a while ago that some of my A/C and heat register grills are facing the walls and not the room (the insides of the curves on the grills face the walls) in some rooms but not in others. My ...
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1answer
3k views

Need guidance for venting a new rough-in for basement bathroom

I'm currently finishing my basement, and I wanted to rough-in plumbing fixtures for a future basement. I've already got the layout, but I just need to figure out the venting for the drawing for my ...
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0answers
899 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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1answer
1k views

How to get fresh air to flat without letting noise in

My flat is at 4th floor just next to very noisy street (cars/trams); above my flat there's only roof (no other floors or attic). I have problems with fresh air inside because I try to keep my windows ...

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