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Energy Newsbriefs Blog

This current awareness service is prepared by the WSU Energy Program Library with funding from the U.S. Department of Energy State Energy Program. This information is provided for energy professionals and interested members of the public to highlight recent energy-related news, articles, and reports that discuss energy efficiency, energy conservation, and renewable sources of energy in engineering and policy circles.

 

Category: Indoor Air Quality

Indoor Air Quality


A Healthy Dose of Efficiency [Hospitals]

Business Energy, June 2015, by David C. Richardson.
http://digital.businessenergy.net/publication/index.php?i=-254619&m=4119&l=1&p=4&pre=#{}

"Hospitals may prioritize medical equipment, but can't ignore their unique HVAC needs."

Natural Ventilation: Bringing Fresh Air Into Commercial Buildings

The Construction Specifier, June 2015, by Michael P. Toohey.
http://www.constructionspecifier.com/natural-ventilation-bringing-fresh-air-into-commercial-buildings/

"This article discusses the history of ventilation, describes its principles, and compares it with mechanical ventilation. The issues examined consider when specifying a separate window and actuator compared to an integrated natural ventilation system; it also addresses the options available for natural ventilation."

Defining Indoor Air Quality: IAQ Means Different Things to Different People, Organizations

Air Conditioning, Heating, Refrigeration News, June 8, 2015, by Joanna R. Turpin.
http://www.achrnews.com/articles/129766-defining-indoor-air-quality

The Environmental Protection Agency (EPA), as well as "associations, such as ASHRAE, and individual states, including California and New Jersey, have put forward standards and regulations that address IAQ issues, but the definition of IAQ still remains somewhat nebulous. Perhaps that is because so many factors affect IAQ — everything from poor ventilation and high (or low) humidity to pesticides, mold, and radon. In addition, it can be a challenge to quantify proper IAQ, particularly when occupants in a space have varying tolerances to different contaminants and irritants."

How Energy Recovery Impacts IEQ

Buildings, May 2015, by Janelle Penny.
http://www.buildings.com/article-details/articleid/18838/title/how-energy-recovery-impacts-ieq.aspx?topic=410

"Energy recovery ventilators (ERVs) are a popular choice for fresh air ventilation, as they allow users to precondition the temperature and humidity of outdoor air using the waste energy from building exhaust. Not only does the fresh air and consistent temperature improve IEQ, the use of exhaust for conditioning reduces the mechanical heating and cooling load to save energy and money. Your occupants could likely benefit from a breath of fresh air – but is an ERV the way to accomplish that? Evaluate this technology for your facility below."

Clearing the Air [Residential IAQ]

Green Builder, Apr. 2015. (Scroll to page 11 of the magazine or page 20 of the digital issue.)
http://www.greenbuildermedia.com/gbapr2015

"The continued rise of respiratory-related health problems has the public increasingly aware of indoor air pollution. Here's how you can take advantage of new research and products to address IAQ in your projects--before it becomes a problem."

What Every TAB [Test-And-Balance] Technician Needs to Know About Indoor Air Quality

Consulting-Specifying Engineer, Apr. 2, 2015, by William Carson Judge.
http://www.csemag.com/single-article/what-every-tab-technician-needs-to-know-about-indoor-air-quality/3b78cade682d1e1f6f17adca56f6e0a6.html

"Poor indoor air quality (IAQ) contributes to a substantial number of health problems. ASHRAE Standard 55-1992 addresses the most common factors related to the comfort of occupants within the space. This article outlines the guidelines."

Case in Point: Symphony Hall Cooling Tower Hits the Right Notes

Engineered Systems, Mar. 2015.
http://www.esmagazine.com/articles/97021-symphony-hall-cooling-tower-hits-the-right-notes

"In an effort to eliminate disruptive airflow noises during performances, the Symphony Hall at The Woodruff Arts Center in Atlanta installed cooling towers designed with the benefit of quieter operation."

Humidification Options For Commercial Buildings

Engineered Systems, Feb. 2015, by Steven G. Liescheidt.
http://www.esmagazine.com/articles/96977-humidification-options-for-commercial-buildings

"Although industry debate about the research on acceptable humidity levels may continue, there is a growing realization that commercial buildings need some form of humidity control to provide optimum occupant comfort and productivity."

Energy Impacts of Laboratory Ventilation Methods

Heating/Piping/Air Conditioning Engineering, Feb. 2015, by Victoria Herman and others.
http://hpac.com/iaq-ventilation/energy-impacts-laboratory-ventilation-methods?page=1

"Laboratory ventilation method—fixed percentage offset or fixed flow per door—has little effect on overall energy consumption compared with other design variables."

ASHRAE 170 Update: Standard Operating Procedure

Engineered Systems, Nov. 2104, by Gary Hamilton.
http://www.esmagazine.com/articles/96847-ashrae-170-update-standard-operating-procedure

"Providing adequate ventilation is a very important part of a patient’s wellbeing in a health care setting. Maintaining a high level of indoor air quality (IAQ) has become an increasing challenge for health care facilities. A critical part of ensuring proper IAQ is supplying the appropriate amount of ventilation to replenish oxygen, to remove carbon dioxide, and to reduce the activity of airborne pathogens."
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