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3
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2answers
82 views

Best way to stop boiler steam from entering attic

I have a cape cod. The boiler is in the basement and vents to the outside about a foot above ground level. I get a considerable amount of snow melt and ice buildup in the attic section directly ...
1
vote
1answer
346 views

How to get fresh air to flat without letting noise in

My flat is at 4th floor just next to very noisy street (cars/trams); above my flat there's only roof (no other floors or attic). I have problems with fresh air inside because I try to keep my windows ...
2
votes
1answer
81 views

Attic ventilation, do I have enough?

I currently have blown-in insulation, that reaches the top of the attic floor. I was told by several insulation companies that I need a R value of at least 49, meaning, I need to add a good 12-18" ...
0
votes
2answers
353 views

Dryer isn't drying clothes. I've tried all of the common solutions (I think)

My wife and I just bought our first house. I think that we discovered that our dryer vent is going to require some regular maintenance to keep it clean and able to dry our clothes. When we moved in, ...
1
vote
1answer
2k views

Attic Venting of Knee Wall in Cape Cod

I have a cape cod style home, pictured below. The second story living space on the back side of the home is created by having a lower pitched roof. So, the front and back sides of the roof have ...
1
vote
2answers
549 views

Can I vent my dryer 'up'?

We recently moved our dryer into the garage stacked on top of a washer. The easiest way to vent it was straight up about 6' into the attic, then a right turn in the attic 12' out the back of the house....
3
votes
1answer
52 views

How can I prevent my furnace vent from icing up and shutting off the furnace?

How do I keep my exhaust vent from icing up in the winter. We are in a new house with a HE Furnace in a pretty cold zone. It has iced up two times now and we are only in our 1st winter. Anything I can ...
2
votes
2answers
976 views

What is the proper way to vent a dryer through a crawlspace?

I am selling a brick, pier and beam home that has a Dryer in the garage that currently vents into the crawlspace. I had run flex tubing through the crawls space to the crawlspace vent. The inspector ...
1
vote
1answer
107 views

dryer ventilation

I started renting a condo in Sacramento from a property management.the building was built in 1974. There has been some shorty upgrades by contractors hired by the property management. Moving in i ...
1
vote
0answers
304 views

Does a vaulted ceiling roof need venting?

I'm buying a house in Colorado, and the house has a vaulted (cathedral) ceiling such that both the plywood sheathing and the ceiling sheetrock are attached to opposite sides of the rafters, i.e. no ...
1
vote
1answer
308 views

Is my HVAC system unbalanced?

I bought a home back in August and the previous owner had a new 3-ton HVAC system installed. Basically right now the HVAC is located in the upstairs hallway, and the way the duct is set up is there ...
2
votes
1answer
4k views

How to properly vent attic in windy/snowy areas to avoid snow infiltration?

To ask the other part of question: How bad is it to have wet insulation? that didn't get asked... How do you deal with homes that are in high wind and snowy areas which are susceptible to snow ...
1
vote
1answer
281 views

How to remove narrow metal soffit

Our 1954 home has very narrow soffits, with metal over them. The best solution I've come up with for adding soffit vents is 2 inch hockey puck style. I did a few several years ago and stopped. See ...
2
votes
1answer
148 views

Can I use a split tab switch for mains voltage and low voltage?

LeGrand (Pass & Seymour) make a multi-control single pole switch with a split tab TM8113WCC, which allows for the control of two independent circuits on a single yoke (one box). Code question: is ...
3
votes
2answers
3k views

How much heat loss through bathroom fan vent?

My master bathroom did not previously have bathroom fan, but I installed one and have had wonderful results with keeping the steam from building up and exhausting the moist air. I am using both a fan ...
7
votes
4answers
20k views

Is there a better solution than a lint trap for venting a clothes dryer indoors?

My condo association does not allow installing a dryer vent to outdoors, so I am forced to vent my dryer into a lint trap. Unfortunately the trap I have does not catch all the dust, and the rooms ...
2
votes
1answer
44 views

Should I be concerned about respiratory hazard from leftover/lurking silica sand from abrasive blasting (sandblasting)?

I know the media itself is a respiratory hazard while blasting (I'm told the silica sand itself breaks apart from the blasting and becomes dust-like). The area will be ventilated. However, I worry ...
0
votes
1answer
7k views

Should I block or insulate my air vents for the winter?

I live in a house which consists of a 17 year old extension on a 40 something year old cottage. The two main bedrooms are the only rooms in the house with air vents. They are also two of the coldest ...
1
vote
2answers
187 views

Can we capture the hot, humid air from a gas-powered clothes dryer during winter?

During winter we run a gas-powered heater and evaporative humidifier to maintain indoor air quality. Meanwhile, every day (big family!) we run a gas-powered clothes dryer which dumps hot, humid air ...
0
votes
1answer
202 views

Is sealing via tape necessary for knee wall foam board insulation.?

I have dramatically improved the ventilation and insulation situation in my house's knee wall attic space, but I have one concern. I nailed up foam board over the studs and fiberglass batts. Do the ...
0
votes
1answer
875 views

PVC vent pipes or concentric vent pipes for tankless gas water heater?

I am trying to select a natural gas water heater to install into my house. It has to service two bathrooms with showers and two kitchen sinks, a dishwasher, and a washing machine. I've narrowed my ...
1
vote
2answers
369 views

How can I prevent a bathroom fan from vibrating?

I am replacing the ventilation fan in our master bathroom this weekend. The previous one (about 12 years old) developed such a vibration over time that it managed to undo the bolt holding the glass ...
1
vote
1answer
32 views

will using a ventilation system with an heat exchanger give me the same quality air indoors as outdoors?

will using a ventilation system with an heat exchanger give me the same quality air indoors as outdoors? is using a proper ventilation system equivalent to having all your windows open without any ...
3
votes
1answer
299 views

How do I vent metal doors?

I need to vent our metal utility closet doors. 1 3/4 inch thick metal doors. Need to supply ventilation so the heat exchange water heaters will work more efficiently. Now the closets become freezing ...
2
votes
2answers
620 views

Can a lower cabinet be used over a floor vent?

I didn't see this question asked after my search but I have a wall in the kitchen that has nothing against it and we are wanting to add some cabinets but towards the right of this wall, about 5' from ...
0
votes
3answers
357 views

What are my options for temperature equalization between two rooms?

Ideally a bi-directional through-wall vent + fan would be great with built in thermostats measuring both sides. I haven't found that nor am I entirely sure what to search for. Are there components ...
0
votes
1answer
301 views

How to give ventilation/exhaust to an inner toilet without exterior walls?

In our proposed home, there is a common toilet (powder room without bath) but it has no exterior wall. However, it shares a wall with another toilet. Can you please suggest a way to give ventilation/...
3
votes
2answers
444 views

Can a HVAC solve my ventilation problem?

I have a problem with my house such that with all my windows and doors closed the house smells and the air feels stale. I'm thinking of purchasing a high efficiency HVAC to vent the stale air out and ...
0
votes
1answer
155 views

Can I cover the vent leading to my crawlspace?

I am renting a house that has no central air, instead we have to use window units. There is evidence that the house used to have a gas heater, and there is a 2 foot by 3 foot hole in the floor leading ...
0
votes
1answer
420 views

Everything in my house vents into the ceiling cavity. Should I change this?

After reading this question: Does a bathroom exhaust fan have to vent to the outside? I realised that the house I live in now, and everywhere else I have ever lived, everything just vents into the ...
1
vote
4answers
10k views

Should I use a Ridge/Soffit vent or Attic Fan?

I am getting ready to redo the roof on our house (shingles and some sheathing) and I am wondering what kind of venting I should add to the roof. The roof currently is not vented at all and as a result ...
0
votes
0answers
20 views

cooking on a hot&humid day

I have 2 window air conditioners in my house. None of them seem to have a setting to bring in (a little bit of?) fresh air. When we cook, the house becomes a bit smokey. Also, the vapors of freshly ...
0
votes
1answer
152 views

Ventilating a shed

I've just bought a house and inherited a shed with power, insulation and opening windows. I intend to use it as a home office. I'd like to store computer equipment in there, but I'm concerned about ...
3
votes
2answers
1k views

What is the process for draft proofing windows

I need to try to prevent drafts coming through and around my double glazed window units as much as possible. How can I go about detecting and sealing any leaks that are letting air through the window? ...
0
votes
0answers
373 views

Dormers with ridge vents lower than main ridgeline

My roof contractor placed ridge vents on all peaks on my home, including the dormers. So, I have the main attic space, which is vented by a ridge vent running the entire length. I have plenty of ...
0
votes
2answers
1k views

How do I reduce the moisture under an exterior wood deck?

Existing conditions: 2000 sq.ft of deck, 3/4" x 4" cumaru planks with 3/8" spacing, over 2x8 pt joist and double 2x12 pt beams, over helical piles. depth of deck to bot of dirt is approximately 18"-...
6
votes
1answer
756 views

Venting the attic space during summer to cool the house

The air in my attic gets superheated during summer, from the sun baking the (clay? terracotta?) roof tiles (I live in Sydney, Australia). I have good ceiling insulation, and even put in some sarking ...
2
votes
1answer
887 views

How can I fix this moisture problem to stop mold growing?

Background and The Problem I am trying to solve the problem of mold growing on my bedroom ceiling. The house is a California Bulgalow built in about 1940. The house is single-brick with plaster ...
2
votes
3answers
2k views

Need to know if this is mold or not

This may be an obvious answer to some but I know next to nothing about molds / fungus etc. Is this mold, or black mold? I've been finding it throughout my house, usually by window sills, and am hoping ...
6
votes
3answers
6k views

What are the pros and cons of a vented vs unvented crawl space?

I find it very confusing to read and hear conflicting advice on crawl space: vent vs air seal, different ways to do insulation, vapor barriers vs not, etc. Mine currently has some moisture and has ...
1
vote
1answer
175 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
1answer
1k views

Will this DIY window fan setup help cool two rooms in our tiny, narrow apartment?

Before anything else, here's a visual aid (embedded below) to help you through this wall of text. My friends and I are renting a second-floor apartment that’s basically one long corridor split into ...
7
votes
5answers
2k views

Can too much ridge ventilation be detrimental?

At my house in central Texas, where temperatures can persist at 86 - 110 degrees Fahrenheit, one side is always hot, no matter how long the A/C runs. That attic space is considerably hotter than other ...
5
votes
1answer
349 views

What to use to funnel floor air vent in cabinent for proper air flow

I ripped the "floor" of the kitchen cabinet out to reveal that all along, my vent was funneling air like this, an open hole. The circular opening is about 6 inches across both ways. I need to funnel ...
-1
votes
1answer
177 views

How do I improve ventilation above my cathedral ceiling?

I live in San Bernardino County in southern California. Half of my house has a cathedral ceiling, and the other half is traditional attic. The attic has two gable vents, one at each end of the house; ...
3
votes
2answers
430 views

How can I block this venting from rodents?

As a follow up to this question, I have two 54' x 3 " gaps running the length of an overhang in my roof supposedly for venting. I believe these to be the point of entry for some squirrels and who ...
1
vote
2answers
11k views

How would you vent my basement bathroom fan?

I have a basement bathroom basically smack dab in the middle of the basement. The joists run from front-to-back of house. So going out either side is not an option. Going out the front is not an ...
7
votes
1answer
1k views

Why did an HVAC installer add this PVC pipe?

We recently had a VERY old central heating furnace replaced and I noticed that the HVAC installer added the following PVC pipe shortly before the inspector arrived: The metal vents were already ...
2
votes
1answer
490 views

How can I divert wind which is flowing parallel to the wall into the house?

Situation: The house is surrounded by other structures in a way that the the wind direction remains parallel-horizontal to the wall. There are a couple of windows on that wall, but amount of air ...
2
votes
1answer
813 views

Can I drywall over an exterior vent in a converted garage?

Our double-car garage had one car space previously converted into a study by a previous owner. It's a bit ugly, but a very useful space, so I'm going to make it nicer by putting up drywall ontop of ...