Articles by Paul Ehrlich P.E.

The right amount of detail is a moving target.

At this panel, the audience pointed the way.

The key elements and challenges of actuation haven’t changed.

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.

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

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.