Are HVAC ducts possible in exterior walls?

Hereof, can you run ductwork outside?

Duct work can be run outside the house. If you have to do it not . You will want to insulate your duct. Spray foam insulation is a great option for ducts.

You may also wonder, "What are vents on exterior walls for?" Heating vents outside walls serve two primary purposes: to reduce condensation, which can lead to premature deterioration of windows due to low outdoor temperatures; and to prevent cold pockets forming in rooms near outside wall.

You may then wonder, "How do I reroute HVAC ductwork in order to remove walls?"

The connection between the circular end and the rigid duct is to be removed. You will need to cut the duct tape using a utility knife. Then, loosen and take off the screws. Take the section of rigid conduit out of the wall. This piece should be saved.

Is the return vent located where?

Your cold air return vents should be placed at the lowest point of the building's walls. The return vent draws cold air from the floor and sends it to the furnace for heating and returning warm air. Return vents are not required to be encased in metal, unlike supply vents.