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ventilation

  1. Mansard Roof and Ventilation

    Roofing/Siding
    We recently bought a home with a mansard roof and are looking for ideas to vent the attic. Currently, there is no intake (or maybe its outtake) ventilation as the walls directly meet the top of the roof (that is 10 degree slope- 2:12). We will monitor it this winter (living near Toronto) for...
  2. Cutting up a Massive Tub

    General DIY Discussions
    Hello Everyone, I would really appreciate your thoughtfulness on this one. In November my wife and I purchased the house we had been renting for 2 years. We are super excited as we love the place and have so many great ideas for the place. One funny thing that seems to have been the trend in...
  3. shed into studio - roof insulation

    Insulation
    I live in middle Tennesse, hot and humid summers, somewhat cold and wet winters. I have a Tuff shed (16'x12') I want to convert to a conditioned space. I already have the walls insulated, but the roof poses some uncertainties. It doesn't have a ridge or soffit vents, although I could drill some...
  4. Heated Garage Humidity remediation in cold climate

    HVAC
    I recently built a garage, slowly learning a few mistakes along the way. Having humidity issues and when it is cold getting the large drywall seam cracking (assuming from humidity as well). The garage is heated by a natural gas radiant heater. lately been keeping the garage at about 14 degrees...
  5. Hollow wall anchor in bathroom vent duct?

    Kitchen & Bath Remodeling
    Hello, I am installing a closet system in a bedroom. I need to use snaptoggle fasteners (high load hollow wall anchors) to mount it. Between two studs I hit a sheet of metal behind the drywall. The builder tells me it’s the vent from the powder bath downstairs. Is it ok to drill into...
  6. Adding ventilation in my garage

    HVAC
    Hi all. (sorry if this should go in a different section) My garage has no ventilation. My only option is to open the side door and/or raise the garage door slightly. However, I don't want to leave these open overnight. There's an upstairs room right above the garage which always stays warm...
  7. Exhaust fan ventilation to the outside

    Roofing/Siding
    Hello, I have to connect the ventilation of the exhaust fans of my 3 upstairs bathrooms to the outside and I am getting conflicting advise from 3 different contractors. The issue is that I have no siding in the attic, so the options are either connect the exhaust fans to the soffit or to connect...
  8. Dead bathroom ventilation fan - any chance of repair?

    General DIY Discussions
    Hello all - my first post, so thanks in advance and I'm happy to have found the site! I've just had a bathroom ventilation fan die on me. I got out the ladder and expected it to be an easy fix; figured I'd be able to swap out the old motor for a new one and voila. But it, unfortunately...
  9. Best way to route power feed to pyramid range hood

    Electrical
    Hi guys, I'm building a new kitchen in my existing home using a wall-mounted pyramid range hood. The plenum cover will extend to the ceiling. I've installed all required support blocking and am about to sheetrock the wall but first need to identify how the electrical cable (MC cable) will be...
  10. Maximize cooling & ventilation in a 200 sq ft room

    HVAC
    What are the most efficient options to maximize cooling & ventilation in a 200 square foot room with only 1 (23"x 35"h)window that opens? The problem gets worse during the summer as there's no cross ventilation. There's an additional window on the opposite wall that runs just below the...
  11. Maximize cooling & ventilation in a 200 sq ft room

    General DIY Discussions
    What are the most efficient options to maximize cooling & ventilation in a 200 square foot room with only 1 (23"x 35"h)window that opens? The problem gets worse during the summer as there's no cross ventilation. There's an additional window on the opposite wall that runs just below the...
  12. Condensation in Unvented Flat Roof - Rigid Foam Board Installed

    Insulation
    Hello! I have an addition on my house that was once a patio. They decided to box it in but leave the roof exposed/un-insulated. It is also un-ventilated without any central air and only a fireplace to heat it. I was looking to insulate that room to keep it warmer in the winter so I had a...
  13. Ventilation Duct Leaking

    HVAC
    Hi, I have central A/C and the furnace is in my basement. All of the duct work travels in the basement ceiling. A section of the duct work is dripping water at the joint. I live in a townhome and as the duct work travels, it turns 90 degrees up along the wall separating me and my neighbor. It's...
  14. Ventilate part of addition extending over existing roof

    Insulation
    Hi, The house I bought had a 3 season porch added on years after it was built. I've since enclosed it to make it into a playroom. I need to add a ridge vent and some soffit ventilation, throw up some roof baffles from the soffit to the ridge vent and insulate. However, there is a portion of the...
  15. Venting complex roof and attic situation

    Roofing/Siding
    Recently moved into home in Eastern MA(Zone 5?) and have a 2 story 3K sqft home. There are 3 gas furnaces and AC units. One of the furnaces is in the attic. The roof is a "T" shaped Gable roof. The roof at "top" of the T has soffit vents and a ridge vent. The "stem" of the T has soffit vents and...
  16. Cold air between floor and subfloor when furnace running

    HVAC
    Hey guys....this has been a ridiculous thing to wrap my head around, and is making me crazy!! So...been dealing with freezing pipes in my kitchen sink. I cut open the bottom of the cabinet for access. The pipe from the taps are the plastic flexible type, which then connect to copper. This...
  17. Gap between 6" dia wall thimble & 6" hvac ducting

    HVAC
    Hello, 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 gap? Thanks
  18. Need help venting stove through attic

    HVAC
    Just did the demo on my kitchen in preparation for new cabinets to be installed soon. When I removed the old range hood, the entire duct fell through the ceiling and onto the floor. I'll be replacing it with an over-the-range microwave. I am having a hard time finding information online about...
  19. Colonial Split level

    Insulation
    I have a 1961 Colonial Split Level that has had numerous upgrades performed. Vinyl siding has been installed and the areas where the main floor extends beyond the basement has vented panels installed (covering below the floor joists). It appears that I get too much cold from this ventilation...
  20. HVAC ductwork from an air conditioner hole in the wall

    HVAC
    So I'm in a building from about the 70's that doesn't have central air. I wanted to close up all the windows and use a fan blowing outside air in from the hole in the wall the air conditioner usually goes. I'd like to have a couple of turns to absorb some outside noise. What I really want is...
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