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IAQ

Energy-Efficient Dehumidification In Health Care Facilities

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.
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Air Filtration in Health Care Facilities

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.”
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Dehumidification With Extra Bite

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.
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Vaisala announces Humidity 201 seminar series for U.S. and Canada

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.


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Iowa State Laboratory Humidification Yields Results

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.
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Cutting Costs vs. Creeping Copper: The Data Center Airside Economizer Conundrum

January 10, 2012
So Charles Dickens, Ferris Bueller, a chicken, and a pig walk into an HVAC article … and try to sort out proper use of outdoor air in data centers. As you might imagine, it’s not simple. But if you remember these three design absolutes and consider your client’s specific perspective, the resulting efficiencies might have you singing Wayne Newton at the prospect of repeat business.
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Liquid Desiccant Dehumidification For Challenging Environments

October 28, 2011
In our second look at liquid desiccants this year, a veteran industry author and consultant reviews the technology and its application to difficult loads and environments. Review his cost-benefit analysis, supplemented by brief case studies ranging from a nursing home and a clean room to food and candy processing and a warehouse.
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62.1 Too Complicated?

Alternative to ASHRAE Standard 62.1 ventilation rate procedure proposed

Public comment sought on a proposed additional default value for the IAQ standard.
October 3, 2011
Public comment sought on a proposed additional default value for the IAQ standard.
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Solving Indoor Airborne Disease Transmission Problems

August 1, 2011
The author describes how toilet flushes aerosolize germs sending them airborne to soar around and infect their next victim(s) because bathrooms are designed backwards. Learn novel ways to control and clean bathroom air to help control airborne disease transmission problems. So feel free to hold your nose as you learn about how you can help protect people’s health within your client’s buildings.
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Guest Column: Perforated Materials In High-Purity IAQ Applications

July 1, 2011
Nowhere is the quality of indoor IAQ more important than in the operating room (OR) of a hospital.
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3/25/14 2:00 pm EST

Improving Cooling and PUE in Existing Data Centers

On-Demand This webinar will provide cost-effective practical tips and feasible retrofit solutions that can be implemented in operational data centers to address some cooling issues and improve energy efficiency.

Engineered Systems Magazine

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Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
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