0
votes
1answer
54 views

What to do with old air/light shaft? [closed]

I live in an old house that is very narrow but tall. In the middle it features an old air/light shaft that looks very similar to this one. It goes through attic room, second floor bathroom, first ...
0
votes
1answer
48 views

How do I extend a length of aluminum flex vent hose?

I'm replacing a bathroom ceiling fan, and need to add a short extension (approximately 18") to the length of the existing vent hose. The existing hose is 4" aluminum flex. I have a couple questions. ...
0
votes
1answer
29 views

air vent on downstairs bathroom but not upstairs

Is it true that downstairs bathroom "need ventilation" more than upstairs, to avoid mold growth? I know at my house the downstairs bathroom has a vent fan but the upstairs does not. I'm wondering if ...
0
votes
1answer
129 views

Can I add an exhaust fan to bathroom without exterior wall or roof access

My master bathroom is wired for a fan, but I opened it up and found that it is just venting into the joist between the ceiling and the second floor. There are no exterior walls to access in the ...
0
votes
0answers
72 views

Why isn't the overrun timer working on my Vent-Axia silent fan?

I am trying to replace a bathroom ventilation fan with a Vent-Axia Silent Fan. It has an overrun timer, which is supposed to make it start when the bathroom light is turned on and turn off about 15 ...
3
votes
1answer
438 views

Should I block off the soffit vents in the vicinity of my bathroom exhaust vent which is in the soffit?

I've seen the other threads on here warning against venting a bathroom fan to a soffit: People warn against the moist air heading right back up the surrounding soffit vents and into the attic ...
3
votes
1answer
128 views

How do I install a bathroom exhaust system?

We are set to close on our house in about three weeks and one of the problems that the inspector noted was that the vent in the guest bath vents into the attic (never going outside) and the master ...
1
vote
0answers
235 views

How can I unclog a passive bathroom air vent?

I live in a prewar apartment building. At the top of the shower, on the wall where the water comes in, is a passive vent. There is no powered fan that is installed and no nearby electrical wiring to ...
7
votes
1answer
1k views

How much vent fan throughput do I need for my bathroom?

What minimum size (CFM) vent fan do I need per cubic foot of bathroom? Consider a bathroom that is 10ft. X 4ft. X 6ft(height). What is the minimum throughput rating for a vent fan? I want a vent fan ...
12
votes
5answers
823 views

Is it dangerous to run electrical cords through heating vents?

I'm living in old apartment and my roommate has fed electric cords through heating vent from living room into bathroom. I see this as a double hazard and illegal. The heating vent exits on wall behind ...
1
vote
1answer
160 views

Should I tie into the ERV or just vent outside to increase bathroom ventilation?

Our bathroom currently only has an intake connected to the Energy recovery ventilation (ERV) to remove humidity, and it's completely inadequate even for a quick shower. Should I install an exhaust fan ...
1
vote
0answers
573 views

Is it advisible to block a bathroom vent due to cigarette?

I live in an apartment, and there's cigarette smell coming from the bathroom vent (probably from a neighbour who smokes). I'm wondering is it advisable to block the bathroom vent to block the smoke ...
4
votes
1answer
696 views

Can I use the white from one switch, but the black from another?

Some terminology, because I don't know any better: light-fixture - An existing, separate, light fixture...currently with dedicated 14/2 vent-unit - A new vent just installed, has three ...
2
votes
2answers
753 views

Can I vent a basement bathroom into a semi-enclosed crawlspace under an attachment?

I'm refinishing my basement bathroom and installing a vent. I can easily vent out to this wall, but the thing I'm worried about is it's semi-enclosed. In the winter we put up tarps and store wood ...
3
votes
2answers
428 views

Bathroom air vent drip

I have a constant drip coming from the air vent in my downstairs bathroom. After one week it has filled a bucket full of water. There has been no snow or rain in my area. The air conditioning hasn't ...
5
votes
1answer
7k views

How can I properly vent a basement toilet & shower using an AAV?

When we bought our house the plumbing drains for a basement bathroom were roughed in but they did not install any vent lines for them. We have the first floor plumbing draining into the main stack ...
9
votes
4answers
20k views

What is the purpose of a bathroom exhaust fan?

Okay I actually do understand the purpose of the bathroom fan; it gets the steam out of the bathroom after a super hot shower, right? Well turns out I NEVER turn it on. I suppose I don't shower in ...
8
votes
2answers
9k views

What are my options for venting a bathroom exhaust fan?

I would like to install a fan in our bathroom which currently has none. However, I'm very confused regarding the best approach for this. Above the bathroom is an attic space. I have read that ...
1
vote
0answers
508 views

How do I ventilate a bathroom through a small window?

I've got a very small bathroom without a vent fan. Since it is in a condo among a lot of others in a large building, a standard vent fan cannot be installed. However, I do have a small window and was ...
5
votes
2answers
1k views

Bathroom vent terminates to attic not outside.

Bathroom vents terminates to attic. The Inspector recommended that it terminates to the outside. What is the best way to do this. Should I just place the bathroom vent next to the roof vent opening. ...
3
votes
1answer
362 views

Bathroom Vent is tied to ceiling vent in adjacent room

I live in a bungalow with a bathroom on both levels. The bathrooms both have exhaust vents. Outside of each bathroom is a ceiling vent. The previous owner stuck towels in these to block them off. ...