Running Ductin Between Floors
Add a false return grille cut an access hole in the ceiling of the first floor in a central area to gain access to the ducts.
Running ductin between floors. Forget floor insulation run a quick duct line and enjoy your space. Running a duct from the first floor to the second involves creating a hole in the main duct and attaching new duct work that terminates in a floor level heat register on the second floor. To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for. The furnace may be in a garage attic laundry room or interior closet for accessibility.
Ceiling duct openings are usually found in homes that do not have a basement. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. The most common size duct used is 14 in. Occasionally we need to access the ducts between the floors to improve the airflow.
Sometimes the best route for a flexible duct run is up and over an obstruction. This size fits just between most floor joists. However there are good local hvac contractors. How to bring heat to the floor in a basement.
Recent new home duct testing for single systems 2400 sq ft low 20 s cfm25. Here are several ways to access ducts. The heat ducts usually travel in the walls behind the drywall and exit through openings in the ceiling on first floor levels. Then it moves along floor joists to any upper levels.