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.

Here are several ways to access ducts. The sleeper walls would be honeycombed in nature to facilitate airflow. In this video i share with you how i install a hvac air duct floor vent. You cut a small hole in the ceiling to check that there.

I don t recommend adding an additional heat exchanger to try to get more coolth out of your glycol ground loop. Mark each corner of the 4 x 4 square with a nail. There are many ways but this is the way i do it efficiently with quality and time. During the summer the glycol ground loop will lower the temperature of your ventilation system s supply air.

This size fits just between most floor joists. The most common size duct used is 14 in. Turn off the electric power for the room you are working in. Locate cross beams between the first and second floors by running the stud finder across the ceiling.

Cross flow ventilation was traditionally achieved by placing sleeper walls see figure 2 at intervals throughout the sub floor. Occasionally we need to access the ducts between the floors to improve the airflow. If the ground loop was sized properly it will handle the needs of your hrv. 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.