exhaust air duct较短, 在上方。你可装一个gooseneck or similar outside. Supply air duct is complicated because it connected to the ahu unit, so you need to hire someone to help you figure out.
exhaust air duct较短, 在上方。你可装一个gooseneck or similar outside. Supply air duct is complicated because it connected to the ahu unit, so you need to hire someone to help you figure out.