A Blower Door is a diagnostic tool that measures the air leakage of the Building Envelope through unwanted air infiltration/ex-filtration. The blower door systems and methodology used by Atlantic Contracting & Specialties meet the latest ASTM standard (E779-03). Our blower door appraisal services provide critical information concerning the air leakage of your facility. Blower Door testing involves an appraiser placing the building under a known pressure to measure the airflow required from HVAC systems to maintain differential between indoor and outdoor environments. Interior pressure compared to exterior pressure is measured in Pascals, creating data that is used to determine the building envelope’s air leakage profile. This data is used in conjunction with a comprehensive visual inspection, infrared technologies and calculations to determine energy saving solutions for your facility.