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0
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2answers
85 views

Water dripping from exhaust vent in basement

I have puddles of water on basement floor when we have no rain, but after we take showers in bathrooms. I do have cracked roofing tar around roof vent so some comes from outside moisture, but not ...
0
votes
1answer
15 views

Noise reduction hood @ exhaust vent

I live on a busy street in San Francisco and recently installed an exterior exhaust vent line for my range hood (it used to be a worthless recirculating type). Doing so has increased the street noise ...
1
vote
3answers
42 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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vote
3answers
65 views

Will a high efficiency furnace vent etch the brick on my house?

My neighbour just informed me that they had to change the vent on their high efficiency furnace. The furnace vents between our two houses and it used to have an elbow on it directing it along the ...
5
votes
2answers
12k views

Does the NEC allow electrical wiring to run next to a ventilation duct?

I am about to install a vent to the outside for the range hood exhaust in the kitchen. In the same bulkhead that will have this vent, there is some electrical wire (some 12/2 NM and some low voltage ...
5
votes
6answers
6k views

How do I prevent ice stalagmites from building up on the furnace exhaust?

I have a high efficiency furnace that exhausts via a pvc pipe out the side of the house, the trouble is the moisture from the exhaust forms an ice stalagmite in my driveway in the cold weather. Are ...
0
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2answers
54 views

Is it common practice to combine room and dryer vent ducts?

Is it common practice to tie the exhaust vent to the dryer (gas) vent pipe in laundry room with no windows? I can find no separate pipe for the ceiling fan/vent in the attic . I am experiencing ...
1
vote
0answers
28 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 ...
5
votes
3answers
10k views

Is it possible to vent two exhaust fans through a single wall penetration?

I have two bathroom exhaust fans that need to be vented out of the house, but I'd like to do it using a single wall penetration. Is there a code compliant, safe way to do this? Both bathrooms are ...
2
votes
5answers
32k views

How to make a 6 inch hole through a brick wall for venting

I'd like to vent my range hood out through an exterior brick wall. How would I go about making a 6 inch hole for the vent? I'd guess I'd use a masonry chisel to chip out the mortar and then pull ...
1
vote
1answer
112 views

Why does my boiler vent steam?

My understanding of a boiler system is that it is closed, meaning the water stays in the pipes and constantly recirculates. However, there is a vent (3" PVC pipe) that is connected to it that ...
8
votes
5answers
16k views

Can I modify the vent from my high efficiency furnace to prevent possible damage to the exterior of my home?

is my high efficiency furnace vent installed properly? I'm based in Toronto, Canada. In some recent cold winter weather, the exhaust is causing a lot of ice buildup on the surrounding brick. To my ...
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votes
1answer
24 views

Cold bathroom that has exhaust

So I have started to notice the bathroom with an exhaust is starting to get really cold as the temperature is getting colder. Is there something I can do about this? Should it really be that much ...
5
votes
3answers
6k views

Installing bathroom exhaust fan: what to do with vapour barrier and insulation?

I'm adding a bathroom exhaust fan, which is being mounted in the ceiling of the bathroom (in the attic) and venting out through a vent in the wall. right now, there is a vapour barrier (paper) ...
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vote
3answers
256 views

Range vent hood pipe

What type of pipe is best for venting my stove hood? Does flexy hose work or should it be hard pipe only?
3
votes
2answers
5k views

What can be done about this unattractive dryer vent?

The house I bought has dryer vent that runs from the dryer into the ceiling. Besides being an eyesore it is also loose/flimsy. I'm redoing the laundry room and would like to make this more ...
2
votes
1answer
181 views

What type of furnace vent pipe is this?

I need to extend my furnace vent pipe up 2 foot above the ridge of my roof to comply with IBC. So I need to couple this pipe somehow and extend it up. Any idea what type of pipe this is and how I ...
2
votes
1answer
69 views

How can I improve the directional flow of my furnace exhaust pipe?

This one's for the creative folks. I'm in a condo on the top floor and I have a side neighbor. Both our furnaces exhaust out the back, under a four-foot roof section overhang (sticks out about a foot ...
1
vote
1answer
87 views

Clickey clackey bathroom exhaust louver

I have a bathroom exhaust vent with louvers similar to the image below. It vents out the side of the house above the bathroom between two bedrooms. When it's breezy out, the flaps rattle so that it ...
4
votes
2answers
16k views

Can I vent a bathroom through the soffit if I use a product designed for it?

I am looking for some clarification. I have been reading about installing an exhaust fan in a bathroom, and I have been reading that you should always vent to the outside, but I continue to read that ...
0
votes
1answer
169 views

Water Heater Gas B-Vent Install

I installed a new water heater and want to vent it right. The old water heater used ABS pipe since it had a blower. Basically I have a 3" b gas vent pipe coming in and connecting to a flex gas pip ...
0
votes
1answer
683 views

Maximum length for bathroom extractor/exhaust fan vent

Our bathroom extractor fans are vented into the attic of our ~70yr old house in Philadelphia. According to our home energy auditor this is pretty common here. We want to vent these to the outside ...
2
votes
1answer
342 views

Is a dryer vent tube being compressed like this up to code?

There's a 4" dryer pipe in my wall that is smashed slightly in order to get it to fit into the wall made with 2v4s. Is this OK?
2
votes
1answer
377 views

Can I terminate my dryer vent next to my gas meter?

Background I want to move my electric dryer. This involves moving the exhaust vent. This question is about where I can safely terminate the vent duct on the exterior of my home. I already understand ...
1
vote
5answers
7k views

How to fit 4" rigid aluminum duct vent in between walls when there is an angle brace?

I want to do what these people have done here: The problem is I have bracing going diagonally and it is not leaving enough space for the 4" aluminum duct vent. Can I saw the bracing off for the ...
1
vote
0answers
108 views

Gas furnace vent clearance from parallel PVC radon vent

I have a hallow wall on my main floor which carries my gas furnace vent up thru the attic and out the roof. This picture is from the basement looking up at the vent and as you can see, the radon ...
1
vote
0answers
47 views

Sidewall venting for natural gas appliance

My natural gas hot water tank still uses black (ABS) plastic vents. Due to a building code change, these need to be replaced with System 636 pipes. The current abs plastic pipes go to the roof. I ...
1
vote
2answers
509 views

Can I vent my dryer 'up'?

We recently moved our dryer into the garage stacked on top of a washer. The easiest way to vent it was straight up about 6' into the attic, then a right turn in the attic 12' out the back of the ...
1
vote
1answer
414 views

replaceing a toggle switch for EXHAUST fan for small bathroom with a rocker switch

I have a bathroom with two SEPARATELY TOGGLE switches;one for the light and one for the exhaust fan.I have updated the light switch with a dimmer/motion sensor rocker style switch. NOW my question is ...
2
votes
3answers
10k views

Two dryers connected to the same exhaust via a “Y”. Backdraft problems?

I have two dryers (one gas, one electric) and their exhaust pipes are merged with a "Y" to a common exterior exhaust. I'd like to keep it that way to minimize cuts through the wall (and eventually I ...
0
votes
0answers
223 views

Connecting dryer vent in new window

We just had some old windows replaced with glass block in the basement. The installers added a window with an attachment to vent the clothes dryer but, of course, it's different to the one in the old ...
1
vote
4answers
4k views

Exhaust fixture for venting bathroom fan through roof

I'm planning to install a roof vent for a bathroom exhaust fan I'm putting in. I'm thinking about using one of these: but I was wondering if I need to worry about it getting blocked by ice or snow? ...
5
votes
1answer
121 views

Can I route coaxial cable for tv through a gas fireplace?

Cable guy told me to drill a hole from outside in right through sheet metal in gas chimney to connect tv to cable mounted on mantle?
7
votes
3answers
11k views

Why is a gas furnace vented but a gas dryer is not?

I live in a house in Ohio and I have four appliances powered by natural gas: furnace, water heater, dryer, and kitchen range. Of these, only the furnace and water heater are vented to the outside of ...
0
votes
1answer
298 views

Condensation at roof, down outside of furnace/water heater vent. What is happening?

I am getting condensation dripping down the outside face of my furnace vent at the roof. I think I know why this is happening I'm just curious how to remedy it. There is a cast iron exhaust pipe that ...
0
votes
2answers
744 views

My dryer vent was setup to go thru the wall, up 2 stories, to my roof

My dryer vent was setup to go thru the wall, up 2 stories, to my roof..... I have a major problem with this type of setup, as every couple of months, my dryer starts taking forever to dry. When I open ...
0
votes
1answer
446 views

Fast trick to figure out to where bathroom fan vents out

Recently had a guy come out to clean the clothes dryer and clothes dryer vent. Asked him to clean out the bathroom fan vent as well. He looked up the attic, on the roof, and along the siding, and ...
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vote
2answers
594 views

Should I install the exhaust hood outlet through the chimney or house wall?

What are the advantages and disadvantages of implementing an outlet of a kitchen exhaust hood through a chimney or directly through the outer wall of the house? There are unused chimneys in the house ...
0
votes
2answers
194 views

Home inspection requires exhaust to attic exterior

We have sold our 1995 built home. One item that needs to be addressed is "Bathroom fans vent to attic and need to exhaust to the exterior of the attic to prevent moisture condensation in attic." I ...
0
votes
0answers
326 views

Why is my bathroom vent fan tripping the GFCI when being shut off?

I have a GFCI tripping when a vent fan is being shut off. I saw in KeithS's answer to a similar question that the blades rotating after shut off causes an imbalance, tripping the GFCI. In my case the ...
0
votes
1answer
863 views

Can I add elbows to move a b-vent exhaust?

I am planning out a kitchen remodel, and would like to move the main exhaust vent for the water heater about 4-6 inches from where it currently passes through the kitchen area. The catch is that I ...
1
vote
3answers
250 views

Bathroom Venting

I live in Edmonton Alberta. My problem is the ensuite bathroom that we shower in all the time. The bathrooms have fans vented through the attic and have same vents as shown above. We can not use the ...
10
votes
7answers
23k views

What is the best way to clean your clothes dryer exhaust?

My dryer exhaust goes out of my laundry room, into my attic, and runs for about 15 feet before it gets outside. Over time the lent has built up quite a bit. What is the best way to clean this? The ...
2
votes
1answer
758 views

Disable the timer on an exhaust ventilator

I have a bathroom exhaust ventilator installed that turns on when I flip the wall switch and that continues working on a timer when I cut the power in the switch. In terms of wiring, I see 3 cables ...
4
votes
2answers
331 views

Dryer exhaust from 2nd floor through crawl space, out roof

This is my setup, 1986 built town home. I just purchased a dryer and before connecting it, I decided to inspect the 4" tube going from the dryer, up behind the wall to the crawl space / attic and out ...
5
votes
2answers
15k views

How can I prevent the clanging of my extractor fan vent cover?

I installed this exterior vent for our oven extractor fan However, the metal plate in the vents keeps swinging open and closed when it gets windy and we can hear it in the house to the point where ...
4
votes
3answers
9k views

Is an exhaust fan over a gas range required?

Are we required to have one in a standard kitchen with a gas range in a residential home? The big question is not how many CFM or ducted or not, just whether there is a requirement in the building ...
4
votes
6answers
6k views

How should I vent bathroom exhaust fans in an old brick house with slate roof?

I recently moved into an old brick house (slate roof), containing several bathrooms without vents. It's a problem that I've been wanting to correct, though I've put it off because I'm not sure if ...
1
vote
1answer
169 views

Exhaust fan leaking from elbow joint connected to the ceiling

I have a metal elbow joint that is leaking. It is connected to an exhaust fan in the bathroom and runs to the roof. What can I wrap the elbow with to stop the leak?
2
votes
2answers
787 views

Can I blow dryer exhaust into a pillow case or sheet?

Go ahead and laugh. It's okay. Before you do, though, hear me out. My dryer has been drying less and less lately. Today, it stopped drying. Now I have a full load of wet laundry and it's all the ...