Ventilation Between Floors

Locate cross beams between the first and second floors by running the stud finder across the ceiling.

Ventilation between floors.

The most common size duct used is 14 in. 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. Here are several ways to access ducts. Sub floor ventilation many traditional properties are built with a suspended wooden floor which sits above a void air space between the perimeter walls and ground.

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. 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. The sleeper walls would be honeycombed in nature to facilitate airflow.

Occasionally we need to access the ducts between the floors to improve the airflow. This size fits just between most floor joists. Turn off the electric power for the room you are working in. Locating the vent 1.

There are many ways but this is the way i do it efficiently with quality and time. Cross flow ventilation was traditionally achieved by placing sleeper walls see figure 2 at intervals throughout the sub floor. During the summer the glycol ground loop will lower the temperature of your ventilation system s supply air. You cut a small hole in the ceiling to check that there.