ASHRAE Publishes Revised Filtration Standard
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Spot Procedures for Testing Air Cleaning Devices Used in General Ventilation for Removing Particulate Matter, which was withdrawn in 2009.
Free Webinar on Hydronic-System Flow and Energy Measurement Set
With energy costs on the rise, more attention is being paid to the accuracy and reliability of flow-, temperature-, and energy-measurement instrumentation for hydronic HVAC systems. On Wednesday, March 20, at 2 p.m. ET/11 a.m. PT, HPAC Engineering will present "Flow and Energy Measurement for Hydronic Systems," a free Webinar sponsored by ONICON Inc.
SOUNDING BOARD (March 2013)
Readers discuss “A Paler Shade of Green,” John H. Scofield’s January 2013 analysis of the Adam Joseph Lewis Center for Environmental Studies at Oberlin College.
Paper Details How DX AC Systems Can Meet ASHRAE IAQ, Energy Standards
Engineers designing HVAC systems for use in schools, hospitals, factories, and office buildings face a host of conflicts and tradeoffs when trying to comply with both ANSI/ASHRAE/IES Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, and ANSI/ASHRAE Standard 62.1, Ventilation for Acceptable Indoor Air Quality. To help engineers achieve balance between the two, Rawal Devices Inc. recently published a technical brief.
Design-Build Institute of America Establishes Owner Hotline
The Design-Build Institute of America recently established a hotline for public agencies and private owners using or considering design-build, an approach to project delivery combining design and construction services under one contract with a single point of responsibility.
Trane Celebrates 100 Years at 2013 AHR Expo
Trane made a triumphant return to the International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) in 2013, celebrating its 100-year anniversary with one of the largest, most talked about, and most visited booths at the event, held Jan. 28-30 in Dallas.
