Blower Door System

Blower Door System

The Blower Door is a diagnostic tool designed to measure the air tightness of buildings and to help locate air leakage sites. The Blower Door measurements are used for:

1. Documenting construction air tightness.
2. Estimating natural infiltration rates in buildings.
3. Measuring and documenting the effectiveness of air sealing activities.
4. Identifying leakage in force air distribution systems.