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Articles by Paul Ehrlich, P.E.

Staying Current On Building Automation & Controls Systems

August 28, 2012
It’s tough to negotiate the learning curve when time is tight.
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Building Automation

Open Systems At The Summit

June 3, 2012
At this panel, the audience pointed the way.
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Back to BASics

March 27, 2012
The key elements and challenges of actuation haven’t changed.
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VAV Box Flow Settings

February 27, 2012
The idea behind those minimums and maximums.
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Future of Lighting Control and LED Lighting

Ready for a solid-state bulb with an IP address?
February 1, 2012
There have been dramatic changes to the building controls market over the last 20 to 30 years. The “energy crisis” of the 1970s (along with the development of the microprocessor) sent the “Big 5” dominated pneumatics market into an energy management system (EMS) orbit that was joined by several dozen other manufacturers by the mid-1980s.
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In-House BAS Expertise

January 12, 2012
Should your facility step up its staff? Consider these tiers.
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The Importance Of Doing BAS Right

December 2, 2011
In the big picture, good enough isn’t good enough.
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Where Is The BAS Industry Going?

November 1, 2011
There have been dramatic changes to the building controls market over the last 20 to 30 years. The “energy crisis” of the 1970s (along with the development of the microprocessor) sent the “Big 5” dominated pneumatics market into an energy management system (EMS) orbit that was joined by several dozen other manufacturers by the mid-1980s.
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EVERYTHING GETS OLD: Dealing With Obsolescence

Updated or outmoded? It’s easy to slip from one to the other.
October 12, 2011
Many of the systems that go into a commercial building are anticipated to have a long lifetime. We expect building materials such as structural steel or concrete to last for the life of the building.
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Building Automation - Part 2: VFDS AND BAS

Application, integration, and what your drive can tell you.
September 6, 2011
Last month, we started this series on the use of VFDs as part of a control system. We talked about the many benefits and some recommended cautions in applying the use of this technology.
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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
3/27/14 11:00 am EST

How to Calculate Backup Power Supply Requirements for Your Facility

On-Demand This webinar reviews how to determine power requirements of facility loads; electrical characteristics and impact of different types of loads such as large motors and UPS systems on power supply sizing; acceptable power sources and other constraints applied by building codes; and how software tools can be used to simplify the process of calculating backup power requirements.  

THE MAGAZINE

Engineered Systems Magazine

ES April 2014 cover

2014 April

Check out the April 2014 issue of Engineered Systems, with features on backup power supply requirements, cyberattacks, and much more!

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Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
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THE ENGINEERED SYSTEMS STORE

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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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