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5
votes
2answers
117 views

Air sealing a whole house fan

I have a whole house fan installed in my house from the previous owners. I love the fan, as it lets me cool down the house quickly in the evening -- or after I fill the house with smoke from ...
0
votes
0answers
29 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?
12
votes
3answers
48k 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
1answer
32 views

How can I separate the fan and the light in my bathrooms?

We've got four bathrooms, all wired so that the light and the (extremely loud) fan are on the same switch. Each one appears to have two blacks wires (both connected to the switch, different screws on ...
4
votes
1answer
103 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
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 ...
2
votes
3answers
419 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 ...
4
votes
1answer
488 views

How do I lower the humidity in my non-vented laundry room?

I've lived in my house for about a year now and I have this small room (maybe 5x6) that contains my washer and dryer. I have central air and this room does not have a vent. Also this room does not ...
0
votes
1answer
99 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 ...
1
vote
1answer
79 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
511 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 ...
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 ...
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 ...
5
votes
3answers
5k views

How can I rewire my bathroom fan, light, and receptacle?

My bathroom has one switch that powers the fan and light. In that electrical box, there is also a hard wired electrical outlet that sits in the bathroom. Since I don't have room for a 2 gang box in ...
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 ...
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 ...
2
votes
1answer
56 views

How can I cool an under the counter icemaker?

We have a Subzero under the counter ice maker. During our hot summer days it really gets hot and slows the ice production down to a crawl. We thought we would install a cooling fan on the wall behind ...
2
votes
1answer
334 views

How effectively a pedestal fan blowing inward can bring the outside air if kept 2 feet away from a fully open window?

other Facts: Window(s) size 3.5 feet* 5 feet (width) Fan (2 nos.) Specifications Product page - specifications Sweep size: 400 MM RPM: 1280 Air Delivery: 75 CMM (What is the formula to convert ...
4
votes
1answer
358 views

Is there aluminum wiring in my vent fan?

I just purchased and installed a new Panasonic FV-10NLF1 inline exhaust fan. My house has copper wiring, but the wires on the fan appear to be aluminum (they are silver in color). I didn't think ...
0
votes
5answers
623 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 ...
1
vote
1answer
688 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 ...
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
765 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 ...
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
521 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 ...
1
vote
2answers
241 views

Is it alright for an exhaust fan to vent into the loft? [duplicate]

I live in a rented property, when I moved in a new bathroom suite had been installed. We however have had chronic condensation problems in the property. when going into the loftspace I could not ...
5
votes
2answers
4k views

How can I seal the gap around a bathroom exhaust fan?

I've got my exhaust fan installed in the ceiling of the bathroom, now I'm wonder how best to seal the gap around it. The fan housing is obviously sheet metal, and the ceiling has the plastic vapor ...
2
votes
1answer
727 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 ...
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 ...
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) ...
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 ...
8
votes
2answers
9k views

What are the pros and cons of soffit vents vs. roof vents?

During my latest foray into the attic, I discovered that my bathroom exhaust fans vent directly into the attic. I'm worried about moisture buildup and I'm considering routing the exhaust to an ...
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 ...
1
vote
2answers
2k views

How can I reduce the noise from a bathroom fan?

I would like to stop an extractor fan shaking my ceiling as it makes a lot of noise. What is the best way to dampen it? (foam, springs etc). Its an exhaust vent for bathroom and is inline with exhaust ...
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 ...
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 ...
2
votes
1answer
857 views

Should I use a centrifugal or axial fan for server room ventilation?

First of all I know this is a strange one. We have a server room which is small and a few servers in there. We have an AIR CON in there but we also have a ventilation duct which is a follows: 9 ...
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 ...
6
votes
2answers
820 views

What's the right connector for connecting #12 solid copper to #14 stranded?

Still working on installing my exhaust fan. It required a dedicated 20A circuit so I ran #12 copper. The wiring from the unit appears to be #14 stranded. It's also silver colored but I don't know if ...
3
votes
1answer
365 views

How do I support vertical runs of round ducting?

Supporting ducts horizontally seems pretty straight forward--just a loop of strapping underneath to support it. What about when the duct runs vertically? Do you use the same kind of strapping but ...
5
votes
3answers
2k views

Is GFCI protection required for a dedicated exhaust fan circuit?

I'm considering installing an exhaust fan in my bathroom which includes light and heat, and requires a dedicated 20 amp circuit. Would this circuit need GFCI protection? The instructions for the unit ...
1
vote
1answer
554 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 ...
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 ...
2
votes
2answers
800 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
2k views

What options are available for ventilation above a stove?

We are taking out our cabinets above our stove area, to create an open plan to the dinette area on other side of counter. Can we have a ceiling mounted fan above stove? (flush with the ceiling) What ...
5
votes
2answers
701 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 ...
1
vote
2answers
744 views

What bathroom vents/ceiling/roof vents and fans are most recommended?

I need to vent a room in an uninsulated cabin - the ceiling is also the roof - so I don't need soffit tubing or anything like that. I am looking for a fairly cheap item that has a large cfm ability. ...
2
votes
1answer
1k views

What are some tips for installing a roof cap?

I am adding bathroom exhaust fans. The roof caps I have attach directly to the duct (this is not the model I have, but it clearly shows how the duct attaches): I had a lot of trouble trying to get ...
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 ...