Ventilation Between Floors

Occasionally we need to access the ducts between the floors to improve the airflow.

Ventilation between floors.

Here are several ways to access ducts. Turn off the electric power for the room you are working in. In this video i share with you how i install a hvac air duct floor vent. Mark each corner of the 4 x 4 square with a nail.

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 most common size duct used is 14 in. Locating the vent 1.

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. Locate cross beams between the first and second floors by running the stud finder across the ceiling. You cut a small hole in the ceiling to check that there. The sleeper walls would be honeycombed in nature to facilitate airflow.

The recommended minimum area of ventilation required for under a suspended timber floor is 1500mm 2 for every metre of perimeter of the structure. There are many ways but this is the way i do it efficiently with quality and time. If the ground loop was sized properly it will handle the needs of your hrv. During the summer the glycol ground loop will lower the temperature of your ventilation system s supply air.