Featured Stories

Single-Source Solutions: Partnering For A New Millennium

September 18, 2000
Partnering: it’s a culture change whose time has come.
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Current Affairs: Power Quality - Part 3 Vfd/Motor Interaction

September 18, 2000
This month: Keep your vfd's safe during fast switching.
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A Chill In The Heart of Texas

September 18, 2000
Three engineers go into the logic behind Thermal Energy Storage (TES), its value in the era of deregulation, and how their firm helped three projects reap the off-peak rewards of TES.
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The Silver Lining Around the Cloud of California's Power Crisis

September 18, 2000
In the aftermath of California's recent energy turmoil, the author looks at what those events should - and shouldn't - mean for deregulation in the rest of the country.
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CFCs: 10 Years After

September 18, 2000
The Clean Air Act of 1990 and the Montreal Protocol of 1995 spelled the end of CFC-based chillers. Or did it? Today, the reality is that conversion and replacement are slow, and CFC chillers are still chugging along. What happened?
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A User’s Guide to Applying ASHRAE 52.2-1999

September 18, 2000
A past president of NAFA puts the new Standard - a method of testing general ventilation air cleaning devices for removal efficiency by particle size - in perspective.
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Profits And Cold Water (September 2000)

August 29, 2000
What does 5°F difference in cold water temperature from a cooling tower mean to an operating unit? More than you might think. The author uses field successes and insights to illustrate methods for keeping everything cool.
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Where is Hvac.com? (December 1999)

August 25, 2000
Incredulity and a lack of understanding have helped e-commerce to remain a virtual unknown in the hvac industry. Meanwhile, millions are earned in other business-to-business online markets each month. What are we waiting for?
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Expectation vs. Reality (December 1999)

August 25, 2000
Media hype and aggressively competitive energy suppliers can raise unrealistic savings expectations among electricity users. This brief look at the facts about deregulation is a “reality check” for buyers in the emerging energy market.
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Merger Mania (December 1999)

August 25, 2000
Telephone companies, grocery stores, and even funeral homes have been gobbling each other up in recent years, so it seems only natural that the hvacr industry would follow suit. These mega-hvac companies are still evolving, but when the dust settles, we’re going to see a very different industry.
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Check out the July 2014 issue of Engineered Systems, with features on chiller retrofits in health care facilities, building automation, and much more!

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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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