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HVAC Design/Construction Process

Utility Set Fan: Greenheck

Greenheck’s new Utility Set Fan (USF) Series offers multiple levels of construction to meet a wide range of commercial and industrial applications. Constructed from galvanized steel with a bolted frame, USF-200 utilizes a backward inclined centrifugal wheel and is ideal for Class I airflow and pressure applications where clean air is being exhausted. USF-200 capacities range from 50 to 13,700 cfm and up to 5.0 in. wg.


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TOMORROW’S ENVIRONMENT

The Good News And Bad News Of Status Quo

Industry change reveals not just different talents but varying levels of ambition, too.
Over time, many if not all employees eventually become comfortable in their work environment. I don’t think this can be helped, be-cause with routine comes contentment.
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COMMISSIONING

Sometimes Non-Compliant Is Okay

Different isn’t necessarily wrong if all parties agree (and with appropriate follow-up).
Last month’s column (February 2015) addressed the potential situation where the design engineers specify a change to a system which has already passed its commissioning functional performance test.
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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
5/13/15 11:00 am EDT

When's & Why's of Fuel Options and Selection for Backup Power

ON DEMAND This presentation will bring listeners up to speed on what the best options are today and in the near future. 

Engineered Systems Magazine

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2015 May

Check out the May issue of ES with the cover story: VRF with Heat Recovery Ventilation In PreK-12 Schools.

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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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