UFAD and displacement ventilation systems require accurate estimates to meet relative humidity requirements and ensure efficient operations. Take a look at a few design options, and contemplate the reader challenge at the end.
April 26, 2013
Since their introduction in Europe in the 1950s, and their domestic rise in specification during the 1990s, UFAD and displacement ventilation systems promise significant energy savings as a direct result of a higher supply air temperature that yields an increase in the use of economizer or free cooling hours.Read More
Case In Point
Following the installation of an ERV, odor and cooling complaints disappear at CoxHealth's Turner Center.
April 24, 2013
A multi-function health services facility in Springfield, MO is a showcase for sophisticated air quality management. The Turner Center is a unit of the CoxHealth system and is part of the Cox South health care campus in south Springfield.Read More
Come to terms with the key terms, and learn how to wrestle with the cumulative effect as each component tries to edge the overall system reliability downward.
March 29, 2013
In today’s world, so-called “high-performance, sustainable” facilities are a dime a dozen. But many of these buildings rely on overly complex mechanical systems to carry out their mission.Read More
The author heads to the blackboard to break down fundamental outside air and sensor strategies (and how they can work together).
February 26, 2013
Providing high-quality education for our nation’s children in grades K-12 has never been more important than it is today. The world is changing quickly, and we need to provide an educational system that prepares them for this fast paced world in which we live.Read More
November 26, 2012
Whether your system uses boiler steam or another method, the authors walk you through the pros and cons of various sytems, the evolving standard landscape regarding those corrosion-fighting amines, and some energy reduction ideas.Read More
October 31, 2012
With a wide spectrum of specialized spaces and particular outside air requirements, a hospital’s en-ergy-efficiency efforts start when arranging which areas go where. From there, the author leaves no technology unturned — chilled beams, geothermal, DOAS, VRF, etc. — in evaluating which ap-proaches might best contribute proper ventilation and humidity in which environments, with an eye on minimizing facility energy consumption.Read More
July 2, 2012
Just what the doctor ordered: specifics on pre-filters, after-filters, AHU tips, and more to meet
critical IAQ goals and prevent that ventilation system from operating in a “fog.”Read More
June 4, 2012
Pharmaceutical giant GlaxoSmithKline faced some extreme dehumidification requirements for its facility manufacturing denture-cleaning tablets. The strategy it selected not only reached target humidity levels but also allowed a 3º increase in chilled water temperature. Get the details on the system and savings that put smiles on the faces of this project team.Read More
May 19, 2012
Vaisala has added a new seminar to its Humidity seminar series. "Monitoring & Mapping cGMP environments" was created to help GxP-compliant facilities reduce the risk of deviations being observed during audits and inspections. The new seminar reviews the relevant GMP regulations and guidances around temperature and humidity mapping and monitoring and includes a workshop where participants will get hands-on experience of temperature and humidity validation by Vaisala's experienced validation expert, Paul Daniel.
February 1, 2012
Effective building envelope and air handling designs took comfort most of the way from theory to reality in ISU’s Hach Hall. An existing in-house deionized water supply and a new fogging system finished the task and saved an estimated 22% in humidification costs.Read More