2
votes
1answer
80 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
6answers
1k 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
80 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?
1
vote
0answers
513 views

How can I tell if my bathroom ceiling vent is working properly?

Seems to take the vent forever to clear shower vapor from room. I purchased a vent that had a good rating. It is vented to the outside. How do I know if it is working properly and actually venting to ...
0
votes
0answers
45 views

How to build exhaust system?

I light candles frequently in room, and I wanted to prevent candle soot from sticking to the walls etc. How about I install an exhaust system in that room? What other options do I have? How powerful ...
3
votes
1answer
111 views

How do I calculate the proper fan size for a bathroom exhaust and the number of pickups?

Getting ready to remodel my bathroom and I'm thinking about installing an inline fan to reduce noise. I'm looking at Panasonic 120 and 240cfm models. Bathroom is 7' x 8' x 8'. With a shower in one ...
4
votes
2answers
767 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
1answer
729 views

Is it code compliant to vent my bathroom exhaust through the turbine vent in our attic?

My contractor wants to vent our bathroom exhaust fan by connecting tubing to our attic turbine vent (aka whirly bird) to exhaust it to the outside instead of plumbing it to the outside through the ...
1
vote
1answer
278 views

Is continuous exhaust from basement level closet a good idea?

I have a recurring problem with mold in the closet of a basement level bedroom. After considering various options, I'm currently contemplating installing some sort of a low powered continuous exhaust ...
2
votes
2answers
801 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 ...
5
votes
2answers
702 views

What kind of vent is pictured here and what are its uses?

While my roof was being replaced, I requested that they install two roof vents. One for laundry and one for bathroom fan. They installed two of these. I just tried connecting the bathroom fan to this ...
2
votes
1answer
3k views

Why does my bathroom exhaust fan drip during the summer?

I've seen a lot of questions (including one on this site) about condensation on bathroom vents. However, they all seem to take place in winter, with consensus being that as the warm air from the ...
1
vote
1answer
555 views

Should I use inline bathroom fans?

I'm building a new full bathroom in my basement and I also have an existing full bathroom without an exhaust fan. The sizes are 207 ft3 and 470 ft3 respectively. I was initially thinking of buying ...
5
votes
2answers
3k 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) ...