DIY Home Improvement Forum banner

cold air return

  1. Basement Finish Air Return

    HVAC
    Thank you in advance. I am finishing a basement. I have a vent (output) installed on one side of the room. I have an area on the other side of the room I want to install a cold air return. I am more concerned about heating in the winter as the basement stays cool all summer and the...
  2. can I return cold air from the basement

    HVAC
    I am confused about code and best practices for returning cold air from the basement. I have an unfinished laundry/furnace/water heater room (large) and a finished game room (also large). The laundry room is cold. The furnace and water heater are vented through the chimney. Dryer is vented...
  3. Cold air return

    HVAC
    Hi, i am currently refinishing my basement and I am thinking about the cold air return. Prior to the demolition, the way the cold air return had been done, was the air return started on the East Wall Ceiling and went through the joist to the interior concrete wall on West side of basement and...
  4. Cold air return in the basement

    HVAC
    Hello, My basement was recently renovated. I moved a wall which put the cold air return in a separate room ( the furnace room ). I have a wood burning stove in the room that now does not have a cold air return. I would like to install a new cold air return in the ceiling of the room with the...
  5. Placement of Cold Air Returns in Basement

    HVAC
    Hello Forum Finishing off my basement in Minnesota. There will be 2 bedrooms. Due to the layout of the rooms and the design of the existing ductwork, I have the same two placement options for cold air returns in both bedrooms: interior part of the room in the ceiling or exterior wall (floor or...
  6. Cold Air Return

    HVAC
    I just recently started to become concern about energy efficiency, and in the process have been doing a lot of small things to make my home more energy efficient. However the big thing is my Heating and A/C unit, it is about 24-26 years old. During the summer it runs all the time, and I thought...
  7. Moving cold air return in basement

    HVAC
    Hi Everyone, I'm currently in the process of finishing our basement. Previously the builder had placed the cold air return in between the joists with the vent located in the ceiling of the basement center. As part of the basement reno, I'm dividing the basement into 2 rooms, so I need to move...
  8. Cold Air Return Ducts & Aluminum Foil

    HVAC
    I've been trying to seal in odors that originate in my cold air return ducts. First, I used Zinsser B-I-N shellac, which eliminated the musty/moldy odors, but off-gassed its own toxic odor all last winter. This summer, I painted over the Zinsser with Safecoat Transitional Primer (three coats)...
  9. Cold air return grill at furnace intake

    HVAC
    Hello everyone. Long time lurker, first time poster :) I have a grill on my cold air return duct right at the intake to the furnace, just before the filter. This intake is allowing basement humidity and odor (cat boxes, etc) to permeate the entire house. Can I seal this off without any...
  10. Cold Air Return in Basement

    HVAC
    I am just about to finish putting drywall up on my basement ceiling but am stuck at what to do with a cold air return. THe entire basement room is 20ft by 9.5 ft and has one 4"-6" circular vent dead center in the ceiling between the joists. Should I: a) somehow extend it to the far wall and...
Top