Is it OK to run a return duct through the ceiling?
But not really for the reasons already stated. Supplying cold air through floor vents is ok, but extracting the same cool air and cooling it further is inefficient. The air return needs to be through the ceiling to collect the hottest air in the room. I know of no way to avoid running a return duct from the ceiling to under the house.
How to build a ceiling around ductwork?
Overlap and cut at a 45-degree angle at the corners. The bottom flange should rest on the level wall. Check your plan to see where the first main tee meets the cross tee and cut to the proper length. Stretch the wires to remove kinks and test strength. Install the main tees level to the wall. Cut away the excess material.
What’s the best way to seal a ceiling duct?
I would use drywall compound and fill in between the wall and the duct. And then I would tape using a UL181 tape (I like foil mastic) over the inside edge of the duct and the wall. Apply the tape flat and rub it smooth. The tape will be covered by the register. Using UL181 tape to seal the duct to the ceiling membrane really should be standard.
Are there any ducts in a double story house?
Overhead ducts and wall ducts are an impossibility, the house is too old, double story, the only room for ducting is the floor heating ducts. Their is roof ducted evaporative cooling upstairs, but it cannot reach downstairs.
How to choose the right ductwork for your home?
Choose the right duct size and layout. Once all the system variables have been decided, your HVAC design professional can determine the most efficient ductwork design layout and calculate the correct duct size. To account for all the necessary factors, many professionals use a tool called ACCA Manual D.
How to extend warm air duct to drop ceiling?
I have since installed a drop ceiling (suspend ceiling) and I need to know how to extend this duct to the drop ceiling tile so as I can put a cover/grate on it. I went to the Depot but they really had no answers besides replacing part of the duct to extend it to the drop ceiling.
Can a duct box be used in a ceiling?
Ceiling Boxes from The Duct Shop are the perfect fitting to use when you need to put a register in the ceiling to supply air into your room. All Ceiling Boxes are manufactured from the highest of quality galvanized steel. Sizes listed are the box opening first and second, then the round size third.
Which is the best tool for ductwork design?
Once all the system variables have been decided, your HVAC design professional can determine the most efficient ductwork design layout and calculate the correct duct size. To account for all the necessary factors, many professionals use a tool called ACCA Manual D. 6. Ensure proper ductwork sealing.
