News tagged with ventilation system

A layer of cool, healthy air

Stratum ventilation systems have been touted as a much more energy efficient system for cooling buildings such as school rooms and offices in hotter climes based on the provisions of the recent ANSI/ASHRAE 55-2010. They may ...

dateDec 17, 2012 in Engineering
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New Saudi train ready to shuttle hajj pilgrims

The Mashair Railway, also known as Mecca Metro, rolls out on Sunday to serve pilgrims beginning the annual hajj rituals near the Muslim holy city, bringing a new solution to crowding.

dateNov 14, 2010 in Other
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Hidden Risks Of Modular Classrooms

Every school day, more than 5 million students in the United States attend lessons held in modular classrooms. With new carpeting and paint, metal roofs and noisy ventilation systems, they can be a health ...

dateNov 18, 2009 in Health
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