Questions tagged [exhaust-vent]
The exhaust-vent tag has no usage guidance.
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How to plug a crack from heater exhaust vent on the roof?
I noticed a crack in the joint between my heater vent and the roof. The crack is wide enough (see pic) such that the wood attic flooring beneath the cavity has warped from the rain. I think who ever ...
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The gills broke off of my kitchen fan, is it still safe to operate until I can replace it?
I live in a dinky apartment and one night, while being completely turned off, The plastic grille over my kitchen fan just fell and shattered on the ground. It seems like the bolt holding it in place ...
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Exterior Water Heater venting
Is there a good code-compliant way to vent the following exterior water heater (see attached drawing).
I thought this concept would work, but I am stuck trying to figure out a good way to vent.
The ...
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Bathroom Fan Exhaust Vent Replacement
I am having a bit of a tough time finding an Exhaust Vent that will replace the one that we currently have which has some broken louvered pieces. The dimensions of the plate are 5.5" x 5.5". ...
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My new AC is under performing and guzzling too much juice, can anyone help?
My company mainly focuses on small refrigeration units and walk-ins. Although we do offer service and/or Replacements on air conditioning systems, it’s only 1/3rd of the whole show so, I’d be a liar ...
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Where to cut the opening for bath vent in crawlspace wall?
My first-floor half bath vents into the crawlspace, which violates the code, and I would like to correct it. A feasible way is to extend the hose from the current vent in the crawlspace to the nearest ...
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How to plan a vented range hood project?
I really want to install a vented range hood in my kitchen. It currently is one of those units that vents inside, and is just not powerful enough to get all the smoke, so it often triggers the fire ...
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Open Vent under roof overhang
I am trying to help with my parents home maintenance since my dad’s stroke. They have this open vent under their roof overhang. I assume it is for a bathroom exhaust, but I don’t know what to replace ...
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Why is my attic hotter after venting was updated?
I had my roof replaced last year and I am now seeing consistent temperatures in the attic that exceed 40 degrees over the outside temperature. For example, it was 62°F the other day and I had 108.5°F ...
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Does transitioning a bathroom fan duct diameter work even if the fan's outlet is the smaller dimension?
According to numerous charts online, I would need an 80 CFM bathroom fan to exhaust via a 6" round rigid duct in order for my planned long length run to work properly. If the exhaust outlet of a ...
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Questions on installing a bathroom exhaust fan [closed]
I am in the process of installing a new bathroom exhaust fan (Panasonic FV-0511VKL2). I had a few questions (my apologies if they are trivial or obvious but its my first time doing something by myself)...
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In practice, is it problematic to vent a gas-fired boiler under a bay window?
I am having a 199 kBTU direct vented gas-fired combination boiler installed. Because of how the house is arranged, it's difficult to find a good place to vent the exhaust. The easiest spot is ...
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Telescopic downdraft installation
I'm trying to install the telescopic downdraft for my island. (installation guide - model KitchenAid KXD4630YSSSKU (30" downdraft))
Because it's an island I wanted the blower to be in the rear of ...
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How should I terminate a range hood exhaust duct through a wall?
I discovered that my home's overhead stove vent doesn't actually vent to anywhere. So I've pulled out the old fan, purchased a new, more powerful fan with 1000 CFM, and then added 8" pipes ...
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Is a water heater exhaust pipe adhered or sealed in any way that would prevent me from temporarily removing it?
I want to add a shallow shelf to my storage room for storing mason jars -- unfortunately I didn't consider "Will I be able to get this past a (semi-)horizontal ran of the water heater exhaust ...
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Can I re-use an existing (and non used) water heater vent for a dryer?
I have a gas water heater and I'm thinking of moving to an electric water heater.
The exhaust pipe would then be free and I was thinking of reusing it for a dryer. Would that work?
The pipe would be ...
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Can I use PVC pipe to extend a bathroom exhaust duct outside the wall?
I have a new bathroom in my basement which is completely below grade. The duct for the bath vent was routed out through the joist space to the exterior wall and a vent wall cap added. The bottom of ...
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Electrician says existing switches won't work to Install Broan CST80SLW vent fan - correct or not?
I hired an electrician to install my Broan CST80SLW vent fan with light/fan/humidity detector. When he got the old unit out (fan/light wired to two separate switches) he said the new unit could not be ...
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Can I install a dryer vent low in the outside wall without compromising structural integrity?
I need to vent my dryer as previous owner had it venting inside the garage which caused several lint and humidity problems. Is it ok to drill the 4" hole on the very bottom part of the exterior ...
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Can my Furnace and Water Heater share an exhaust?
Prelude:
First properly cold day of the season and I was expecting my furnace to kick in, but it didn't.
I went down into the basement to take a look at it and found it giving me an 2-blink error code ...
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What kind of putty should be used for sealing rim joist exhaust vent holes?
I recently had a tankless water heater installed in my basement. The 4" exhaust vents through the rim joist. I'd like to seal the gap around the PVC, but I'm uncertain what type of putty to use. ...
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Sharp 90 degree turn downward dryer vent lint brush head stuck
I live in an apartment where the "maintenance" is next to nothing.
The new dryer we bought to take advantage of the hookups in the apartment was giving us the blockage error signal and not ...
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Help Identifying Vent Purpose
I'm trying to figure out what a vent on my roof is for. I have two vents close together. #2 in the photo is for the venting of the hot water heater. #1 is the one I'm not sure about. It has an ...
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Is the outside vent opening the same on most over the range microwave ovens?
Our 2010 over the range microwave oven is about it die. It wents outside through an opening in the wall behind the microwave. There's a port opening when the fan starts and it blows out through there. ...
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How to re-route range hood ducting to my vent?
My current range vent does a wonky turn around and prevents the cabinet door from closing fully. I'm trying to figure out an alternate way to make the connection, but don't really have any good ideas.
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Sealing air gaps around edges of attic gable fan
I just installed a new gable fan to exhaust hot air from my attic. Due to unevenness in my studs and gravity pulling one side of the fan lower than the other, there are small gaps (ranging between 1/8&...
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Using old vent pipe as TV antenna
I recently replaced a house trap, and as a result, I have a leftover vent pipe that runs from my basement up through my roof. Would it be possible for me to somehow connect a coax cable to the pipe so ...
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Will this roof vent installation cause me problems?
I just have my house re-roofed on last November. Recently I look around in the attic and found the new vents and ventilation fan weren't prefect fit the existing holes. Will this situation be a big ...
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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 ...
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Is there a minimum distance between two exhaust vents going out an exterior wall? (NJ state)
Is there a minimum distance between two exhaust vents going out an exterior wall?
I'm in the state of New Jersey and I was unable to find anything related to minimum distance between two exhaust vents ...
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Best position for kitchen exhaust duct flow sensor
*TL;DR: a flow sensor on a kitchen exhaust duct fails to work reliably in its current location. Will moving it down two floors closer to the upstream exhaust hoods help or be a waste of effort?
We ...
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Are exhaust fans inter-connected in a 3 stories condo?
I am a smoker who lives on the first floor of a 100 years old 3 stories condo. During the winter, I smoke in my bathroom with the exhaust fan (on the ceiling) turned on to draw the smoke out. Each of ...
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how to eliminate fabric softener or anti-static chemical odors from laundry room
I recently purchased a 1960s home built on a crawlspace and have found that the laundry room and adjacent hallway has a strong odor of fabric softener and/or ant-static dryer sheets. When I walked ...
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Is water in a bathroom vent pipe avoidable?
My bathroom's fan vents through the ceiling, with a unit like this one:
https://www.homedepot.com/p/Broan-NuTone-3-in-to-4-in-Roof-Vent-Kit-for-Round-Duct-Steel-in-Black-RVK1A/100344509
We had some ...
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Vent 80% gas water heater through rim joist?
Can an 80% efficiency, draft hood, 40k BTU, water heater be vented through a 2x10 wood rim joist with painted cedar siding? Assume proper pipe sloping.
The termination would be roughly 2 feet above ...
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Is it safe to use Category 1 80,000BTU furnace with 2 inch PVC exhaust?
A contractor just finished installation of new HVAC system with a category 1 furnace (model: GMES800805CNAA).
He originally used a reducer to connect 4 inch exhaust to a 2 inch PVC pipe. He claimed ...
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Do you to block a unwanted 4 inch hole or reuse it for something else?
Have 4 inch hole was made by builder for no reason and went unnoticed for long time as the hole was in the side wall of the House. the hole is through a basement wall.
How can I permanently block the ...
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Insulation around the pipe outside of a kitchen exhaust
Context
I have a kitchen exhaust which works well enough, this question is about insulation. Last winter was quite a cold one for where I live, and I felt a nice fall of cold air coming from there. I ...
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How can I install a hood exaust vent with a joist in the way?
I was preparing to install a hood vent this weekend and found myself with a bit of an issue...
Here's what it looks like:
The larger hole in the middle is the center point over my cooktop and the red ...
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Rigid or Flexible bathroom exhaust duct
In my 2nd floor condominium, I need to replace bathroom ceiling and exhaust fan. Old ceiling has been removed. My contractor is going to install new ceiling. I want to replace old exhaust fan and duct ...
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What type of duct should I use for a clothes dryer exhaust?
I am planning to relocate my gas dryer to the center of my basement. The closest vent is in one of the walls 16ft/5m away. To reach it I would need to run an exhaust pipe horizontally, enclosed in the ...
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Replacing Bathroom Vent Fan
Looking to replace a bathroom vent fan in a property that is being renovated. The exhaust fan was not working, upon further inspection it seems to be the motor that is causing the issue.
I want to ...
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Multiple concentric vent kits
I have two concentric vent kits I need to poke through the roof. One is for my furnace and the other for my tankless water heater. I want to place them near each other for aesthetic reasons, but I ...
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Close old OTR hood vent hole on exterior stucco wall
How do I permanently close and seal the old vent hole on the outside stucco wall ?
Do I have to remove the old metal vent (see photo) or can I just put stucco patch on top of the metal and fill in ...
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How do I provide proper venting for a single exhaust portable AC unit?
Ever since I got my portable AC, I've been wondering how I can make this hunk of junk more efficient because till this day, I have never been able to drop the temperature lower than 25° C.
This week I ...
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Do these look like good PVC exhaust and intake termination ends for a new tankless gas heater?
I just had a new tankless gas water heater installed, and it seems to be working well. But looking around here, other sites, and my own HVAC system, the terminating ends seem to come out further from ...
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Safe to install humidifier above furnace gas vent?
I'd like to add an AprilAire 600 bypass humidifier.
I plan to install the humidifier on the supply plenum, and the bypass duct on the return air. The gas vent coming off the furnace is type B.
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Fixing sub-optimal Tempstar furnace vent installation but can't find part numbers
I have a Tempstar N9MSE0601714A furnace with 2" PCV vent pipes (that mate to 2.5" pipes). Whoever installed it didn't fallow the installation manual and I'm also reducing the number of ...
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How to properly permanently seal a duct opening?
I recently hired a handyman to install an over the range hood. To install it, he cut a hole in the bottom of the upper cabinets and routed the duct through the back of the cabinet's, into a vertical ...
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Does the combustion air inlet for a 95% HE furnace need to be sloped down the same degree as the exhaust?
I'm determining if existing 2.5" PVC furnace vent pipes can be moved inside an existing soffit box in my garage ceiling. To do this the exhaust outlet pipe could keep it's existing grade from ...
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