In this case study, the author tells of procedures, problems, and - most importantly -lessons learned while providing commissioning services for a high-tech data center in California. By Richard Greco
Our Weather Report columnist compares the operation of isothermal and adiabatic humidifiers in multiple cities. The approach provides new information for novices and veterans alike when it comes to adding moisture to a space economically. By Michael Kjelgaard, P.E.
Does the hospitality industry need its own IAQ standard? It's under discussion, and even that much is enough to fuel heated discussion about the science, wisdom, and motivations behind such a possible move. By Joanna R. Turpin
How does a health care facility address its concerns for indoor air quality (IAQ)? ES asked two highly respected engineering firms - HDR Engineering, Inc. in Omaha, NE, and Albert Kahn Associates in Detroit - to discuss at length how they handle the subject. By John Martin, P.E.
A scenic school district in the Hudson River Valley decided on a radical upgrade for its schools. By George K. Marshall, P.E. and Louis Turpin, AIA, AICP
New technologies and design approaches are helping classroom ventilation systems create quality, healthy learning environments. By Charles A. McCoy and Scott C. Bernth
Replacing the roof of a Virginia high school helped reveal a serious moisture problem throughout the facility. Unfortunately, by then there was little recourse except thorough retrofit and renovation. While the school was being repaired and the system replaced, authorities also had to bring in equipment for short-term moisture and comfort control. By Tom Gibson