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ductwork

  1. HVAC
    Hey all. First time posting so please forgive me for being a noob. I'm building a 256sqft bath/laundry addition. All ductwork is in crawlspace. I recently replaced my existing HVAC unit and upgraded already to a higher ton unit to handle the addition. Any help on sizing for new ductwork getting...
  2. HVAC
    Hello all, first time poster here. I did try searching the database, so forgive if that has been discussed before. The house my family purchased about 6 months ago lacks (or so we thought) any hvac vents or returns in our finished basement. The other day, I removed a drop tile and poked my...
  3. Kitchen & Bath Remodeling
    I'm a frequent reader but first time poster. I haven't been able to come up with a conclusion based on my research so I'm reaching out for some opinions. We have a basement apartment where we are replacing the range hood. The old hood was vented to the outside using 4" flex duct. Because...
  4. HVAC
    Hey all, I am in the process of doing a remodel and, after opening up a wall I want to remove, I see ductwork running through it. I want to eliminate this supply line as it seems to only feed one register in a small bathroom that we keep closed. I also need to relocate some returns on this...
  5. 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...
  6. Remodeling
    I am looking at finishing out my basement and need help with how close can I get to the ductwork. The bottom of my ductwork is 8ft to the floor and I have a window in the basement where the height is 7'8" from the floor, so I have 4 inches of play if I go all the way to the ductwork. My...
  7. HVAC
    Hello everyone, I have a question, and I hope I can explain it in a way that makes sense. I am attaching a photo of it, so you can see what I mean. At the bottom of the stairs in my condo, there is a landing and a small wall (already knocked down in the photo) with an air intake vent running...
  8. HVAC
    I have a couple questions about running some new ductwork in my existing home. I have read a bit on forums about the possibility of using plastic ductwork, versus the typical sheet metal. Does anyone have any advice on this. I am considering re-routing one of my existing ductwork runs (just...
  9. HVAC
    Hi, I'm starting a basement remodel and I'm trying to figure out what to do with the ductwork. It's a simple system, two main ducts coming off the unit and going across the middle of the room through 10 inch square metal ducts before heading upstairs. The problem is that my ceiling is only...
  10. HVAC
    Hello All- Thanks for having me aboard. I'm reasonably handy around the house but admit ducts and ductwork are not in my skillset. I've found a house that I'd like to bid on, a large ranch with rehabbed first floor and raw basement. Finishing out the basement would result in a very...
  11. Building & Construction
    Finishing our basement, it has unfinished 8'8" ceiling. There is a long room, 12'Wx20'L, and the ductwork cuts across it right through the center on the width. We had planned to make tray ceilings for the other rooms where it runs along a wall. But doesn't work for this room b/c the ducts are...
  12. HVAC
    I Am installing an Goodman 69k btu furnace in my home, I am wondering what would be the standard return air requirements, I will be cutting out the sill plate and floor on a partition wall i am not sure if one stud span will be enough. I will be using a regular filter. Thank You very much for...
  13. HVAC
    This is my first post and I would really appreciate your support. I am installing a new AC Unit and Furnace. Unfortunately, my previous unit vented through the chimney while at the same time the AC and Furnace duct work also goes throught the same chimney. I believe this is illegal. But if it is...
  14. HVAC
    Apologies if this is a naive question, but why is it always recommended to tap into heating/AC ductwork from the top? I want to tap into rectangular ductwork in my basement so as to get air circulating in a room I am building there. It would be so easy to cut into the side or bottom of the...
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