Articles by Paul Ehrlich, P.E.

Building Automation

Building To Grid — AKA B2G

When it comes to the Smart Grid, are you prepared? Consider two design strategies to connect buildings to the available benefits.
November 1, 2013
You’ve heard a lot of talk about the deployment of the Smart Grid. Most of the initial smart grid deployments are focused on the de-ployment of smart meters that enable utilities to gather usage information in near real time — or what they call Automated Meter Infrastructure (AMI).
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Building Automation

Upgrading Aging Building Automation

Is it time for an update or a full replacement? Here are some factors to think about when evaluating mechanical systems.
September 23, 2013
Often when we are evaluating or assessing an existing building, we are on the lookout for equipment and systems that are in poor condition or approaching the end of life.
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Building Automation

Four Rules For Air-To-Air Energy Recovery Units

These units can save energy, but only if the technology is installed and operated correctly.
August 29, 2013
The application of energy recovery units allows for the ability to do total heat recovery and recover both sensible and latent heat from an exhaust air stream, using that heat to pre-condition outdoor air required for building ventilation.
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Big Buildings Meet Big Data

As always, the challenge is not a shortage of data but managing it smartly. However, the technologies and tools are evolving to meet the task.
August 2, 2013
Recently there has been a lot in the press about “big data.”
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Building Automation

Measuring Building Occupancy

Who is in your building? How long are they there? Obtaining this information has its benefits.
July 1, 2013
There are many potential benefits to knowing not only how many people are in a building, but ideally where they are located
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Building Automation

The Lighting/BAS Convergence, Cont’d.

For most buildings, it will be a question not of if, but when.
June 1, 2013
Both new and existing building projects should have lighting control provided, either as part of a standalone system or, ideally, integrated as part of the BAS. But we often find that there are many reasons automated lighting control is not provided, ranging from simple economics to frustration with the programming and support of these systems.
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Building Automation

Building Automation Evolution

In our data-rich world, the next big leap is just getting off the ground.
April 26, 2013
There are many elements to a BAS. Of course, the ability to control systems through direct digital control (DDC) is always a require-ment, but ideally, we expect these systems to be much more.
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Building Automation

The Importance Of Measurement And Feedback

We won’t open greater system potential until the feedback loop is closed.
February 26, 2013
Bill Gates, the founder and former CEO of Microsoft, has dedicated his time and efforts toward running the Bill and Melinda Gates Foundation.
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Building Automation

Energy Efficiency Challenges

January 29, 2013

Sooner or later, the low-hanging fruit is picked. Then what?


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How Home Automation May Transform Building Automation

January 2, 2013

Will a design cousin of the iPod take flight?


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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
3/25/14 2:00 pm EST

Improving Cooling and PUE in Existing Data Centers

On-Demand This webinar will provide cost-effective practical tips and feasible retrofit solutions that can be implemented in operational data centers to address some cooling issues and improve energy efficiency.

Engineered Systems Magazine

Es August 2014 cover

2014 August

Check out the August 2014 issue of Engineered Systems, with features on UFAD systems, cloud services, and much more!

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Data Collection

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