CAL-IN utilizes high speed multi-port micro-manometers and data collection software, blower doors and duct blasters to measure pressure relationships in buildings. The following are examples of some applications: 

        ·         Containment differential pressures to multiple indoor adjacent spaces
·         Contaminant migration studies
·         Contaminant and odor migration pathway identification
·         Ventilation system duct leakage area analyses
·         Laboratory fume hood performance (ASHRAE Standard 110)
·         Ground contaminant infiltration
·         Positive or negative pressure manufacturing areas
·         HVAC Testing for percent of leakage