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Ventilation

Ventilation Leads Kerry's Recipe For Success

For a consumer food group’s very mixed-space campus, HGA’s careful outdoor air strategy got support from smart boiler, chiller, and lighting design to create performance tailored for the client while comfortably exceeding LEED®and ASHRAE 90.1 requirements.
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VAV For Laboratory Spaces

Terminal devices, pressurization, supply air, proper exhaust … those factors and more go into a well designed VAV system for sensitive lab applications. From general tips to changing details such as fabric duct elements, booster fans, and a new AMCA standard, the author equips you to succeed in one space that is no place for experimentation.
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Case In Point

Life sciences lab handles OA load with humidification

A fog humidification system installed at this Michigan lab is controlled by a BAS.Pall Life Sciences is a leading global provider of filtration, purification, and separation technologies to the diverse
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Florida school cuts outside air cooling costs 70%

An ERV system saved this Florida school $500 a month in utility costs.The developers of Turtle River Montessori School in Jupiter, FL wanted students to have the best possible IAQ.
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Church retrofit looks upward, finds an answer in fabric duct

Fabric duct installation at this North Carolina church has reduced mold and saved space.It’s difficult to believe that a routine item such as HVAC ductwork could have as great affect
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Energy Demon At The Door

Having lived with an ancient heating system and no cooling for years, a Pennsylvania congregation now sings the praises of the updated hydronics and new mini-splits that brought a mechanical renaissance to the church’s various spaces.
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IAQ: Florida's Teachable Moment

An engineer with the 9th-largest school district in the United States writes about the IAQ testing and final report that his district commissioned. From offices to classrooms to cafeterias and restrooms, the monitoring was extensive. Read the results and some author comments about acceptable IAQ in schools, the possibility of overdoing fresh air, and the associated costs.
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Temporary HVAC: Homework Pays Off

School districts have known for quite some time that temporary equipment can assist in passing the tests of renovations or the pop quizzes of unexpected equipment failure. The lesser-known lesson is that having the plan in place can save significant time and money on top of the equipment’s basic benefits.
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Fan, BAS spread a warm feeling to start Alaska schooldays

A 12-ft diameter low-speed fan provides destratification to cut the morning temperature recovery for this elementary school down to 15 to 20 min.Designing a landmark school in the unforgiving Alaskan
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LEED Platinum Performance for Mercy Corps

Inside this nonprofit’s new headquarters in Portland, variable refrigerant flow teamed with zonal heat exchange, 100% DOAS, daylighting, CO2 sensors, and more to deliver comfort while bringing actual energy usage in under the design target of $0.83 per year.
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Engineered Systems Magazine

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2014 December

Check out the December 2014 issue of Engineered Systems.
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System Design

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The Green Energy Management Book

Learn from our experts how to evaluate job opportunities, market your services, sell a Walk-through Survey, target areas for an Energy Audit, calculate energy savings, do retrofit work, and win continuing contracts for retrofit work.

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Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!

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