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6
votes
2answers
4k views

Do I need soffit vents when I have 2 gable vents and 5 normal peak vents?

We are in southeast Idaho, have a plain simple gable roof on a 1,050 square foot floor house; the roof's pitch is not great, probably 3 or 4/12 but normal for our area. We have 1 vent at each gable ...
4
votes
1answer
10k 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
0answers
213 views

How do I remove mold and mildew from subfloor of a house with crawl space? [duplicate]

Possible Duplicate: Mold remediation in crawlspace House with crawl space has mold and mildew on the sub-floor. I've determined the cause is no vapor barrier and a leaky pipe and there is ...
7
votes
3answers
775 views

Would running a band saw or cnc machine in my basement be safe?

I'd like to get a band saw and drill press but I don't have room in my garage so I'd like to put it in my basement. The problem is I don't have any ventilation to remove sawdust so would having it in ...
4
votes
1answer
2k views

Attic ventilation - intake:exhaust ratio vs total ventilation area?

I have decided to go ahead and install a ridge vent in my house. The only current attic ventilation is soffit venting on one side of the house. As part of this project, I am attempting to determine ...
6
votes
4answers
704 views

Is there a recommended vent for new roof?

I am redoing my roof. I already decided to add sofit ventilation which I currently do not have. I have gable vents, and already decided to go with normal eyebrow vents Vs ridge ventilation. Question ...
2
votes
1answer
314 views

Forced air heating air inlet in crawl space

The air inlet for my electric forced air heating is a small vent on the duct in the crawl space. Although the crawl space is sealed with a concrete floor and heated (ie insulation is around the ...
2
votes
1answer
384 views

How do I deciding whether to install an attic venting system?

I live in Colorado, and the weather is starting to warm up. In a couple months, the temperatures will rise pretty high. Thankfully, I have a well insulated house (there is over 20 inches of fiberglass ...
2
votes
0answers
566 views

What are good Relative Humidity and Temperature settings on an MHRV and are the settings related?

I need to configure the threshold Relative Humidity and Temperature settings on an whole house MHRV system. The way the system works is that if the RH threshold is exceeded the system increases the ...
3
votes
3answers
5k views

How do I air-seal a range hood flute?

My new kitchen included a new exterior flute for a new range hood. Few months later, I opened the cover for some maintanace reason and saw that the flexible flute is basically going through the ...
2
votes
1answer
672 views

Need to attach deck ledger to house covering a vent

I am building a deck attached to the house, and on one side I will need to have the ledger covering a section of wall that has a crawlspace vent cover. If I have a big enough gap between the ledger ...
4
votes
2answers
3k views

Can I fit an extractor fan in a window?

We have a basement flat and we suspect that the bathroom exhaust fans do not go anywhere, which causes a fair bit of damp in the flat which manifests itself as condensation on the windows in the ...