0
votes
1answer
48 views

Should I keep a bathroom door open or closed to keep it from expanding?

Should I keep the bathroom door open or shut after a shower to keep it from expanding? What if the fan is on as well?
4
votes
1answer
104 views

How do I install a 1st floor bathroom fan?

My bathroom is on the first floor with a finished bedroom directly above and an unfinished basement directly below. It would appear to be easier to install a wall or floor fan and direct exhaust down ...
2
votes
1answer
82 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 ...
2
votes
3answers
498 views

How do I remove this old bathroom exhaust fan?

My ancient 1960s bathroom fan (a NuTone 8832) stopped working. I removed the cover and fan, but the "metal box" assembly is still in the ceiling. I'm not sure how to get it out. Here's the unit, with ...
0
votes
1answer
105 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. ...
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 ...
0
votes
5answers
638 views

How can I connect a timer to my bathroom exhaust fan?

I have a bathroom fan, but it only runs when the light is on (i.e. no delay). The fan itself is really good, but it should really run on after (I think this might be part of the Building Regulations ...
3
votes
1answer
114 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 ...
1
vote
0answers
1k views

How do I wire a bathroom exhaust fan/light to two switches?

I could use a diagram to wire the following: a bathroom exhaust fan with light on two separate switches. I also need a 3rd switch for a vanity light and a GFCI. My power comes from the attic (12/2 ...
5
votes
1answer
531 views

Is it OK to vent a first floor bathroom with a fan and a duct running through the basement?

I have a bathroom on the first floor of a two-floor house where the popcorn ceiling has dilated and cracked open twice within a year, and some mold is always coming back next to the ceiling, so I need ...
4
votes
1answer
117 views

What is the best way to build a box to elevate my bathroom fan above joists?

I want to create a register/ return air type box about 4" high so my bathroom fan's exhaust will be above the joists so that the duct can have the shortest and most direct run to a gable vent. Is ...
2
votes
1answer
1k views

How can I vent my bathroom through a ground floor vertical-slider privacy window?

I live in an old style garden level unit in Chicago (roughly 80 years old). The bathroom currently has no ventilation. The window is cracked and I'll leave the bathroom door open when I shower, but ...
2
votes
1answer
736 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 ...
7
votes
3answers
6k views

Can I vent my bathroom exhaust fan into a plumbing drain vent?

I installed a bathroom fan in the ceiling. My bathroom is in the room right next to the laundry room. The washing machine has the standard drain pipe vent of a pvc pipe venting to the outside ...
2
votes
2answers
3k views

What wiring do I need for a fan/light/night-light fixture?

I am replacing a bath fan/light with a fan/light/night light combination fixture. I need a new wall switch with 3 controls. I currently have just a cable with hot, neutral and ground running through ...
0
votes
3answers
2k views

How can I wire an exhaust fan to turn on from multiple locations?

I just bought a Panasonic FV-20NLF1 inline bath exhaust fan that I planned to used to exhaust 2 different bathrooms. I want each bathroom light switch to control the fan, so when the lighting turns ...
3
votes
1answer
6k views

How can I stop exhaust fan vent condensation problems?

So, our bathroom fan leaks when it is cold. In the attic, the PVC pipe connected to the exhaust is uninsulated, and frosted -- shock! So, my question is, what is the best way to fix this? Do I cut ...
2
votes
1answer
2k views

How do I install a bathroom exhaust fan?

I need to know how to wire a bathroom fan with a light and night light. The wiring has a black/white red/white blue/white and green. The bathroom has a light switch for the light fixture over the ...
1
vote
1answer
691 views

What power and type of in-line bathroom extractor fans should I be looking for?

We had some mould appear in our bathroom and I suspected that our inline extractor fan was underpowered. As it happens the extractor just stopped working, so I'm in the market for a replacement. I ...
12
votes
3answers
49k views

Does a bathroom exhaust fan have to vent to the outside?

Is it normal and/or code compliant to have a bathroom exhaust fan venting to the attic? I've seen this a couple times now, and the first time I saw this I thought it was very odd. But I mentioned ...
2
votes
2answers
803 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
1answer
8k views

Is it better to vent a bathroom fan out the soffit, the side of the house, or the roof?

Working on a friend's house, we're installing a bathroom fan. He had planned to vent the fan out the closest soffit, which is only a few feet away. I'm trying to persuade him to vent it out the roof ...
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 ...
2
votes
2answers
4k views

Will an exhaust fan made for ceilings work in a wall instead?

Does anyone know whether a bathroom exhaust fan designed to be installed in a ceiling would have any problems if installed in a wall instead? From a mechanical, ball bearings, noise perspective. Not a ...
8
votes
3answers
12k views

Why is water leaking near my bathroom's exhaust fan?

This weekend when the snow started melting on my roof, I noticed a small water spot developing around all three bathroom exhaust fans in my house. I'm guessing the water leaked in around the exhaust ...
3
votes
1answer
369 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. ...
8
votes
3answers
1k views

Should a bathroom fan vent to a separate duct system?

Is it acceptable to route a bathroom exhaust fan to the return of a central air system? I'm afraid this will cause mold to grow in the air return ducts. There is currently a fan in our bathroom and ...
4
votes
3answers
2k views

Can I vent a bathroom fan through the eaves?

I want to fit a fan in our bathroom. The easiest way to do this seems to be to drill down from the loft and put it in directly above the shower. I'm then considering running the vent (flex pipe) ...
4
votes
3answers
617 views

Fire hazard of exhaust fan with heating bulbs in bathroom?

Our strata gave us permission to install an exhaust fan with 4x 250W heating bulbs into our bathroom. We are on the top floor and the roof cavity above us is the cieling for the building. There are no ...