IAQ & Ventilation

Carrier, provider of high-technology heating, air-conditioning, and refrigeration solutions, recently introduced energy-assessment programs for K-12 schools and small- to mid-size commercial buildings....More

Located on the campus of Saddleback Church in Lake Forest, Calif., the Refinery is a two-story, 45,000-sq-ft building that includes dining and kitchen facilities, a theater, game rooms, an 800-seat auditorium, a full-court basketball gymnasium, a half-court practice area, three classrooms, and a multipurpose room for recreation and business meetings. To save energy, Craig Hofferber of engineering firm H & P Systems Inc. wanted to vary ventilation rates based on time of day and room occupancy. The main challenge was finding a cost-effective fan that could run at multiple speeds....More

ASHRAE recently announced the publication of ANSI/ASHRAE Standard 52.2-2012, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size, which incorporates the arrestance and dust-holding-capacity sections of Standard 52.1, Gravimetric and Dust Spot Procedures for Testing Air Cleaning Devices Used in General Ventilation for Removing Particulate Matter, which was withdrawn in 2009....More

Using an aerosol sealant to seal ductwork from the inside saved a luxurious condominium complex thousands of dollars in project costs while proving minimally disruptive to residents....More