For questions generally relating to the exhaust ventilation of air from inside the home, and/or methods to promote proper airflow thorough various spaces in a structure.

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5
votes
3answers
2k views

Can I close the garage vent on my furnace?

My furnace duct system has a vent in the garage, right over the furnace. Is it necessary for the proper operation of the furnace to keep that open? I'd hate to waste the money heating up my garage, ...
8
votes
2answers
15k 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 ...
5
votes
2answers
3k views

What should I consider when cutting a dryer vent hole?

Our dryer has been taking forever to dry loads so, this morning, I disassembled the vent pipe and scrubbed out all the lint. However, before reassembling the vent, I had an idea. The current vent run ...
3
votes
4answers
2k views

Should I drill a large hole through a double paned window?

I have a laundry room in the basement. There is no exhaust vent for the dryer. Currently we just open the window when drying, but this is not the greatest solution. There is a window and it is ...
3
votes
1answer
835 views

Can I use a 1 1/2 vent for a toilet (3" drain) in CA (not a went vent, no other fixtures on it)?

Most of the info I have on code implies this would be OK, but one item I have says that a 1 1/2 vent can only serve 8 "non-WC" fixture units.
8
votes
2answers
13k views

How do I install a sink in a room that doesn't have a drain vent?

I want to install a sink in my attached garage where there is no existing plumbing. I will be running new water supply and drain pipes to mains behind a nearby wall. I'm concerned I will need a ...
2
votes
2answers
5k views

Should I vent my kitchen range vertically or horizontally?

In a planned kitchen remodel, one upgrade is to install an outside vented range hood. My choices are to vent vertically up through the roof or up and then horizontally (8') out the kitchen wall. The ...
2
votes
2answers
1k views

Can I vent a dryer from the same mechanical closet as a water heater.?

I'm currently looking at a condo to purchase and the existing "closet" that contains the plumbing and venting for a washer/dryer is a bit on the small side. It's probably not that big of a renovation ...
3
votes
3answers
546 views

How to best clean the inlet vent screen on a microhood?

Over the years, my microhood has developed a greasy buildup in the inlet vent screens on the underside of the microhood. They're an aluminum mesh that comes out easily with a label near it saying not ...
2
votes
1answer
200 views

What kind of screws for crawl space vents?

I'm removing one of the ancient crawl-space vents from my house in order to put in a wiring pass-thru plate. The old vent only had a couple screws on it and the new plate has a lot more holes... So, ...
4
votes
1answer
3k views

How do I add a quiet blower or fan to a gas fireplace?

I have beautiful fireplace in my family room, although it is gas rather than wood burning, and it vents strait outside. Due to the nature of how it is vented, I don't really get much heat from it, and ...
17
votes
10answers
22k views

Do thermostat-controlled, auto-adjust HVAC vents exist?

The residential forced-air HVAC systems I have seen are controlled by a single thermostat in one room. One has to manually adjust the vents in order to adjust the temperature in other rooms. Is ...