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3
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0answers
47 views

Tankless water heater requirements

I'm looking at the possibilities of replacing my water heater. Currently we have an electric, 2 element, 50 gallon tank heater that is 32 years old and almost ready to go. The water can sometimes come ...
-1
votes
1answer
25 views

venting dryer into unused lined chimney flue

I have vented a gas clothes dryer into an unused terre cotta lined chimney flue in the basement. The chimney is shared with another lined chimney flue venting the gas hot water heater. The chimney ...
1
vote
0answers
21 views

Backdraft issue w/bathroom exhaust and dryer connected to same air outlet

I live in a condo where a dryer and bathroom exhaust both connect into a Y connector that flows into the same pipe and into the building air shaft. I understand that these two appliances on the same ...
1
vote
1answer
54 views

Install air admittance valve to solve musty smell (sewer gas)?

I bought a new house about a month ago, and have since noticed some plumbing issues in the laundry room: laundry tub drains slowly occasional "musty" smell, which seems to come from the drains I ...
0
votes
0answers
59 views

Wanting to insulate attic in 1930s home, have some questions (baffle install, soffit venting, mixing cellulose/fiberglass, etc)

Have a 1930's 2-story house. I recently upgraded the wiring in the 2nd story to get rid of all the knob/tube left in the house, and I figured while I'm up there I should add some attic insulation ...
0
votes
0answers
96 views

Basic wet venting configuration

I am remodeling a 1st floor bath. I know about wet venting, but frankly I don't understand all its rules. I want to get some feedback to see if I am doing it right. Here's the high level ...
2
votes
1answer
76 views

Is it better to fill up the space between rafters with insulation, or put baffles on top and add soffit vents? (inland Los Angeles, cathedral ceiling)

I have 5.25" tall rafters, about 30" on center, with roof planks directly on top of them. I would like to keep the rafters visible, but add insulation between them. So I only have a few inches to work ...
2
votes
1answer
131 views

Should I insulate my attic with a hot or cold roof?

I'm turning my 3rd floor attic into a usable space. It's a hip roof, 25' x 23', with one dormer. We just had new asphalt singles put on it and it was about 12 foot of ridge vent on the dormer / ...
1
vote
0answers
18 views

Anyone here ever used a Famco plumbers vent?

Just wondering if the Famco plumbers vent (6" x 16") will fit when used to replace a standard black mesh foundation vent (6.5" x 16"). I need to vent through the existing foundation vent. What are ...
0
votes
0answers
33 views

Size of gable vents needed

Thank you in advance for your help. My attic is 1288 sq. ft. I have determined that I need 16 round soffit vents (@ 4" ea.). Correct? I need to know how to calculate the size of gable vents I ...
0
votes
0answers
27 views

Retrofit a Kitchenaid Vent Hood with a 1200cfm fan?

I have a Model KXW4336YSS0 Kitchenaid vent. The motor just died and I need more power. Is it possible to retrofit this model with an internal 1200 CFM motor? If one is not made, is it possible to ...
1
vote
1answer
223 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 ...
0
votes
1answer
101 views

If I move my sink, how should I route the vent?

I want to relocate my kitchen sink to an inside wall from the outside wall. The vent pipe is currently in the outside wall. Can I run the vent pipe across the ceiling between the rafters ,the rafters ...
2
votes
1answer
67 views

De-airing / venting central heating

(Bear with me, I'm a non-native English speaker from a non-English speaking country, so my terms may be a bit off. If anything is unclear, please inform me of this and I'll attempt to clarify.) I've ...
2
votes
1answer
202 views

Why do small vents at top of garbage disposal blow out water when sink drains?

I just finished replacing the mounting gasket of my In-Sink-Erator Badger 5 as I thought that was the cause of occasional water on the floor of the kitchen cabinet. Admittedly I never diagnosed the ...
0
votes
1answer
161 views

Gable venting a bathroom fan and kitchen range hood

I am planning on venting my bathroom fan and the range hood in my kitchen out the gable end of my house in separate runs. The gable end is above a gable roof, so I am hoping for some recommendations ...
1
vote
1answer
356 views

Can I enclose my new boiler in a closet?

As part of a new residential boiler installation, two 6-inch ducts venting to the outside will be installed, one near the ceiling and one near the floor. They won't be attached to the boiler itself, ...
2
votes
3answers
2k views

Is it possible to move a vent from the floor to the wall without ducts?

my contractor needs to move the floor vent to the new closet wall. His plan is to simply partially close off the floor vent, then build the closet wall over the remaining portion, allowing the air to ...
1
vote
0answers
171 views

Proper size drain and venting behind new bathtub

I'm a plumbing newbie and I'm adding a bathtub where one didn't exist before and I want to make sure that I am plumbing the drain properly. I have a 2" drain available to me directly below the tub ...
1
vote
1answer
258 views

How can I find where the dryer vent is broken or clogged?

I live on the second floor of a three story condo building.We had a company come in to clean our dryer venting, and they said they could not pull a vacuum.The company said that that the venting is ...
0
votes
1answer
256 views

Attic vent with exposed rafter tails

I just purchased a 1927 bungalow style house. The roof has no trusses and has exposed rafter tails with 1x6's placed between as a block. There are no lower vents and wondered how to proceed to ...
1
vote
1answer
1k 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
395 views

How do I close this hole in the HVAC vent?

What's the best way to close up this hole in the venting leaving the hvac? Would foil tape be sufficient? Right now it bleeds out hot air into the basement in the winter, and cold air in the summer. ...
2
votes
3answers
816 views

Closing off Cold Storage Room

We have a relatively new house (built in 2002) with a cold storage room under the poured concrete porch. There is a door with full weatherstripping leading to it. We'd really like to close it off ...
5
votes
1answer
283 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 ...
2
votes
1answer
989 views

Can an existing furnace flue be used to vent bathroom exhaust fan

I am doing a basement bathroom reno and wish to install an exhaust fan in the ceiling. Since I have had the furnace replaced and now its direct vent out the side of the house , I have an existing ...
0
votes
2answers
377 views

Can I tie in bathroom vents with turbine roof vents?

I want to vent my 2 bathroom fans into one of my roof turbine vents.Can it be done and not pose a mold problem?
2
votes
1answer
1k views

How effectively a pedestal fan blowing inward can bring the outside air if kept 2 feet away from a fully open window?

other Facts: Window(s) size 3.5 feet* 5 feet (width) Fan (2 nos.) Specifications Product page - specifications Sweep size: 400 MM RPM: 1280 Air Delivery: 75 CMM (What is the formula to convert ...
3
votes
1answer
319 views

Can I vent a bathroom fan through an attic window?

Would venting a bathroom exhaust fan into the attic and through the attic window cause any problems? I was thinking this would prevent cutting a hole in the roof or the soffit. My thought was to ...
0
votes
1answer
465 views

Exhaust venting into air return?

In the condo (2 story semi-detached townhouse built in 2004) I rent, the main bathroom has an interesting vent system. When turned on, 2 fans are activated. One is a booster of some type and ...
1
vote
1answer
715 views

Why is my furnace blowing hot air outside?

So I have been having trouble heating my home. I noticed today that there is a vent blowing hot air outside. It is not the return, chimney or venting. Any ideas other that the builder thought we ...
6
votes
2answers
1k views

How much ventilation do I need on a small roof?

This small building has a footprint of 10' x 12' with a gable roof (sideways, so the gables are 10' apart). Slope is 4:12, so the peak is only 2' above the walls. My ridge isn't vented, so I'll be ...