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1answer
102 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 ...
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1answer
63 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 ...
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2answers
418 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 ...
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1answer
1k views

can i use an inline exhaust to vent a kitchen and bathroom?

I have 2 bathrooms and a kitchen that are currently unvented. I would like to install an inline exhaust fan to service all three. I will be putting the exhaust fan just inside a gable that will have ...
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1answer
152 views

How to fix a ventilation pipe to the wall?

I'm doing some renovations in my toilet/bathroom, and am currently pondering the ventilation. Here's the current situation (click pictures to get bigger versions): My toilet and bathroom are right ...
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0answers
21 views

What under-eaves vents can I use to maximize attic airflow and minimize insect infiltration?

I live in Seattle. It doesn't snow here often. Winters are cold, but temps do not dip below 32 for long periods of time very often. I live in a small, one-level 950 sq. ft. house built in the 1950s. ...
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2answers
142 views

Gap between 6“ dia wall thimble & 6” hvac pipe

I bought a 6" dia aluminum wall thimble to vent my 6" dia hvac steel exhaust pipe through to the outside. However, the diameter of the 6" thimble is actually 6 3/4". How do I effectively insulate the ...
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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 ...
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1answer
144 views

Adding ventilation and insulation with limited soffits

I’m hoping to add some insulation and ventilation to our attic. It’s a 1954 with a 1991 addition. The second floor is warmer in the summer, the original part much warmer than the addition. Current ...
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0answers
176 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 ...
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0answers
84 views

I have no furnace, only electric blowing heaters. How do I get ventilation?

I have a 100 years old building with a store on the main floor. Since the building was built over 100 years old there is no ducting whatsoever. There is also no furnace. In the summer we just hook ...
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1answer
103 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; ...