ACH or Air Permeability?
Air Changes per Hour (ACH) and Air Permeability are both measures used in the context of building physics, particularly when …
What is Air tightness?
Air tightness refers to the measure of how well a building prevents the uncontrolled flow of air through its envelope, …
Passive House – Smoke Test
60 second video on identifying leaks with smoke. An interesting test when IR won’t work as good due to the …
What is a Blower Door Test?
A blower door test is a diagnostic procedure used to measure the airtightness of buildings. It can identify air leakage …