Articles by Paul Ehrlich, P.E.

In-House BAS Expertise

Should your facility step up its staff? Consider these tiers.
Read More

The Importance Of Doing BAS Right

In the big picture, good enough isn’t good enough.
Read More

Where Is The BAS Industry Going?

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.
Read More

EVERYTHING GETS OLD: Dealing With Obsolescence

Updated or outmoded? It’s easy to slip from one to the other.
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.
Read More

Building Automation - Part 2: VFDS AND BAS

Application, integration, and what your drive can tell you.
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.
Read More

Building Automation: Part 1: Proper Selection Of VFDS And BAS

Let drives steer you toward better performance, with these caveats.
Read More

Building Automation: How Far WE'VE COME

We can only afford our present complaints thanks to our previous achievements.
Read More

Building Automation: Integration: Myths, Lies, and Misconception

From design to setup to reporting, bad habits and bad thinking may loom at every turn.
Read More

Building Automation: BAS Usability

Putting some thought into a graphic strategy can keep your interface from getting ugly.
Read More

Building Automation: Divisions Of Labor

Can specifications lead the advancement of systems integration?
Read More

Multimedia

Videos

Image Galleries

ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!

Engineered Systems Magazine

es0914_Cover-100.jpg

2014 September

Check out the September 2014 issue of Engineered Systems, with features on radiant panels, refrigerant flow systems, and much more!

Table Of Contents Subscribe

System Design

Based on your experience and knowledge level, are you currently comfortable designing or maintaining a system incorporating VRF or radiant ceiling panels?
View Results Poll Archive

THE ENGINEERED SYSTEMS STORE

The_Green_Energy_Management
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.

More Products

Clear Seas Research

Clear Seas Research ImageWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

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!

STAY CONNECTED

new Facebook icon Twitter icon YouTube iconLinkedIn icon  Google+