Ventilation 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.

Ventilation between floors.

Locating the vent 1. Locate cross beams between the first and second floors by running the stud finder across the ceiling. The sleeper walls would be honeycombed in nature to facilitate airflow. During the summer the glycol ground loop will lower the temperature of your ventilation system s supply air.

Cross flow ventilation was traditionally achieved by placing sleeper walls see figure 2 at intervals throughout the sub floor. Mark each corner of the 4 x 4 square with a nail. Here are several ways to access ducts. If this space is not ventilated the air in it becomes stagnant and humid and the moisture within it begins to condense on the brickwork and flooring.

In this video i share with you how i install a hvac air duct floor vent. This size fits just between most floor joists. I don t recommend adding an additional heat exchanger to try to get more coolth out of your glycol ground loop. The recommended minimum area of ventilation required for under a suspended timber floor is 1500mm 2 for every metre of perimeter of the structure.

You cut a small hole in the ceiling to check that there. There are many ways but this is the way i do it efficiently with quality and time. Occasionally we need to access the ducts between the floors to improve the airflow. Turn off the electric power for the room you are working in.