IAQ

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

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

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

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

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

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

Nowhere is the quality of indoor IAQ more important than in the operating room (OR) of a hospital.
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Case In Point

Low-speed fans team with UV light to improve IAQ at Rwandan hospital

Low-speed fans provide needed ach at this remote mountain hospital. All buildings, regardless of age, are susceptible to IAQ deficiencies. Chemical exposure from new construction, tight building envelopes, and humidity
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Taking Notes: Desiccant Dehumidification

Whether your client has a school or office building, desiccant dehumidification can successfully control the project’s humidity, save energy, and remove pollutants. This primer empowers you to teach your clients how desiccants work, while other tips and applications can help your future projects more than make the grade.
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Case In Point

Air Force hangars in Alaska salute new heating system's tempering effect

A heating system evened out the temperature and improved working conditions at this Alaska Air Force hangar.Extreme sub-arctic temperatures at Eielson Air Force Base near Fairbanks, AK, where winter temperatures
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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
11/20/14 2:00 pm CDT

Key Issues in Selecting Emergency Back-up Generators

Join us for this webinar on key issues for selecting back-up generators, as well as the related critical components in the power chain of emergency power systems.

Engineered Systems Magazine

ES October 2014 cover

2014 October

Check out the October 2014 issue of Engineered Systems, with features on economizers, pump operations, and much more!

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