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Questions tagged [exhaust]

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Thru Wall Exhaust Fan in bathroom on window header

I am trying to add a thru-wall fan in my 1st floor bathroom. The bathroom is 59 inches wall to wall. There is a window of 41 inches. I want to add the fan above the window, but i found a window header ...
Srinivas Ven's user avatar
1 vote
0 answers
53 views

can a bathroom or kitchen exhaust airt through a vent placed in the outter edge of the soffit and pointing down and out

Can a bathroom or kitchen range vent out through a vent-unit placed on the outter-edge of a soffit if it is pointing down and away from the house?
Jim Hindle's user avatar
1 vote
0 answers
1k views

Exhaust vents exiting outside next to each other

Is there any code that requires exhaust vents specifically for bathroom, Kitchen hood, and clothes dryer to terminate ‘x’ distance apart? For instance, placing these three exhaust exits on the same ...
Thomas_P's user avatar
1 vote
0 answers
171 views

How do I calculate fan size for a single room exhaust system to reach a desired cfm when restricted to specific duct size/route?

I am wanting to exhaust a sealed room (except for air intake and exhaust). The room is 512 ft3, and due to positioning, orientation, and existing construction, I am restricted to using 6" flexible ...
Steve's user avatar
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1 vote
0 answers
86 views

carrier infinity 96 furnace extended exterior exhaust concerns

Due to severe wind and drifting snow that has blocked my furnace exhaust pipe I have extended the exterior intake and exhaust pipes approximately 8 ft up. The exhaust right angles out below my eaves ...
user65136's user avatar
1 vote
0 answers
1k views

Might I have 2 vents for my gas dryer?

I have a gas (propane) dryer. We just had a huge amount of snow 5ft. plus drifts around my house. This morning I turned on the dryer and started to smell propane. I went out and cleaned out the lint ...
Worried in PA's user avatar
0 votes
1 answer
52 views

Where to run 4" exhaust fan duct?

I'm installing an exhaust fan in my bathroom. I plan to install it somewhere left of the octagon box that you see in the picture, However, there's a 5 3/4" joist right there. I'm not sure if I ...
Scrap Money's user avatar
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0 answers
41 views

Bathroom Exhaust - Idea

I am doing a major remodel of my primary bathroom. Instead of the traditional exhaust fans I am thinking of doing something like: Run 3x14" duct in the wall stud cavity from the bathroom ...
JoeLeBaron's user avatar
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0 answers
37 views

Bathroom exhaust vent

After my modular house was delivered i had the house sided. For some reason the siding guys went right over my bathroom exhaust exit. I have an idea where it is and the plans show it’s 36 inches off ...
Chris's user avatar
  • 1
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0 answers
28 views

Bathroom fan light combo power source is in ceiling..from 12/2 to 12/3 to gfci to a double pole switch

Remodeling bathroom...removed light installing exhaust fan light combo...power source is already in Ceiling which is 12/2..from the 12/2 it will turn into 12/3 to go down to a gfci outlet and from ...
Jeremy's user avatar
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do they make a a exhauster fan for the 3inch double wall hot water exhaust pipe

this is a older home with large trees. at night times we get exhaust gasses from the hot water heater and I would like to find a inline exhaust fan that I can install.
david's user avatar
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I need a ducted vent hood over my gas range and microwave., t would like to leave my over the range microwave. Can the hood work right this way?

30" LG gas oven; 30" Kitchen Aid microwave. Able to vent the hood through the attic to the outside.
JaneA's user avatar
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25 views

Bathroom ceiling exhaust fan wiring

My bathroom exhaust fan/w light has a 4th cable which runs from the fan box to a switch for a strip of 5 lights above the sink. How do I make that connection? In other words, to which black and ...
Zip's user avatar
  • 1
0 votes
0 answers
108 views

Bathroom Exhaust Fan venting

I need to install a exhaust fan for a bathroom in Dallas Texas on the first floor. The home is two story home. There are two optionsto exhaust the air out. One is exhaust the air out on the side of ...
Al bharman's user avatar
0 votes
0 answers
522 views

Outdoor direct vent tankless water heater (low nox) on exterior wall under overhang?

I have an exterior tankless heater that is one of the high-efficiency/low nox type, it has a direct vent (pretty small, actually) just sitting on the top grill. This is mounted outdoors, but is it ...
daveola's user avatar
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52 views

How can I install my dryer exhaust - Should I contact the builder?

I am trying to install my new LG dryer exhaust in a new build home and the part attached to the wall just fell off. Should I contact the builder? I have done this before and it was not as complicated. ...
Tropicana's user avatar
0 votes
0 answers
652 views

Bathroom 3 in 1 switches in seperate locations

Intent: To have heater/exhaust/light unit installed with the light switch separate from the heater/exhaust. Why? I have a light/exhaust on one switch (next to door), but would like a 3 in 1. The ...
assemblism's user avatar
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0 answers
2k views

Is 20' of 2" PVC with 2 45 degree elbows too restrictive for a 92% furnace?

I have a Goodman furnace, 92% efficient, GKS91155DXAF. The exhaust vent flue was previously 2 inch PVC with one 45 degree elbow about 6 feet long overall, and it was routed directly into a piece of 6&...
Ray C's user avatar
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0 answers
3k views

Venting Dryer to Outside Through Foundation Wall OR Vent?

I'm relocating and replacing the ducting to vent my electric dryer that is located in the middle of my home. I'm using 4" galvanized duct, I've installed a Dryer Box on the back (2x6) wall of my ...
Franklin's user avatar
0 votes
0 answers
471 views

Is it a good idea to blow hot air through drywall?

I have a small room with no windows and I want to cool it down. A friend of mine suggested me to get a portable AC, create a hole in the wall (drywall) and put the exhaust hose through the wall. This ...
Lou's user avatar
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43 views

Bathroom exhaust fan and light

I just got bathroom fan and light. Only my light is working. Is there any way I can splice the fan wire with the light. I only have two wires on my switch and I don’t want to run a new wire.
Carlos Berry's user avatar
0 votes
0 answers
43 views

Using existing hot water vent for extraction

I have a room in the basement with equipment (computers) that gets really hot. There is an ac vent but the thermostat is nowhere near the room. Also in an alcove is the hot water heater behind a ...
JeremyLaurenson's user avatar
0 votes
0 answers
127 views

What is this pipe?

I discovered a 12" diameter concrete pipe traveling vertically from the basement to the attic of a one story house. The pipe is lined both internally and externally with metal. I would like to know if ...
Michael Brittlebank's user avatar
-1 votes
1 answer
406 views

How to remove this ancient exhaust fan?

It seems to be held in by those metal strips that I can't budge.The wood that it's up against is thin- only about 1/4 inch. And the metal part starts/stops at the visible wood and extends beyond sight ...
Kim Stinnette's user avatar
-1 votes
2 answers
74 views

What size of exhaust fan do I need, how many air changes, CFM?

I need to provide an exhaust fan equivalent to ventilation by a 4 square feet of window. What size of exhaust fan do I need, how many air changes, CFM? My client wants to replace a bedroom window with ...
Ansub's user avatar
  • 1
-2 votes
2 answers
2k views

Gas Vent Pipe - Outside Placement

I Recently adjusted the exterior furnace gas vent pipe as per the picture below. The old placement ended where the first elbow (up/left looking at the pic) is currently. However given that my 2 year ...
Andy Midis's user avatar