THE DUCT-FREE ZONE

What is the definition of “critical charge”? The American Society of Heating, Refrigeration and Air Conditioning Engineers ASHRAE, defines critical charge as follows: “Refrigerant quantity required by a system to maximize performance when a capillary or fixed...

Timing is Everything

by Lorraine Ball In selling situations, timing is everything. It is always a challenge to get your message in front of potential customers when they are ready to buy. Too early and prospective customers ignore you, too late and you miss the sale. The issue of timing...

An Employee’s Playbook

by Richard Harshaw Every successful team in professional sports has a playbook—a binder of plays they learn during the pre-season and then strive to execute flawlessly during the season as they seek the championship. Those with good playbooks—and coaches that know how...

It’s On My Heart: A Tough Trip

by Jim Hinshaw So just wondering how your day is going? I had a really frustrating day this week, and I am a normally positive guy. The glass is not half empty or half full, I am an engineer, it is the wrong size glass. Had a trip to Anaheim scheduled, in and out same...