Blog Contributors

Scott Arnold

Described by a colleague as "a cyborg ... requir(ing) virtually no sleep, no time off, and bland nourishment that can be consumed while at his desk" who was sent "back from the future not to terminate anyone, but with the prime directive ‘to edit dry technical copy...

in Scott Arnold's Blog Nov 20, 2013

Urine Power: The Wave of the Future?

When it comes to sustainable energy sources, I have heard of wind, I have heard of solar, and I have heard of geothermal. But urine?....More

Lawrence (Larry) Clark, CEA, GGP, LEED AP O+M

A member of HPAC Engineering’s Editorial Advisory Board, Lawrence (Larry) Clark, CEA, GGP, LEED AP O+M, is principal of Sustainable Performance Solutions LLC, provider of energy audits, general energy-...

Fracking, Thermal-Energy Storage, Sea-Level Rise, Legionella Revisited

Just over a year ago, “Clark’s Remarks” premiered on this Website. To commemorate, I thought it would be fun to look back at the past year’s topics and see if there have been any new developments. Not surprisingly, there have been....More
in Show Product News Jan 29, 2013

Condensing Hot-Water Boiler

The ClearFire-LC (CFLC) gives large facilities a condensing-hot-water-boiler option from 4,000 to 12,000 MBtu. The CFLC uses patented AluFer heat-transfer technology and a high-turndown burner with advanced controls to deliver peak efficiency and ultralow emissions in a compact footprint. The CFLC is a cost-effective alternative....More

Ron Rajecki

Ron Rajecki is the former senior editor of HPAC Engineering and Contracting Business magazines.

Dec 04, 2013

What Advice Would You Give to Controls Contractors?

What advice would you like to give to controls contractors and their technicians?....More

Michael S. Weil

Mike Weil is the editorial director of three Penton Media, Inc. properties: Contracting Business.com magazine, HPAC Engineering magazine, and HVACR & Hydronics Distribution Business magazine. He has worked for...

May 10, 2014

HVAC Building Controls: A Gateway for Hackers?

For commercial facility owners and managers, building security today goes beyond access, fire, and and tenant safety. Cyber security has become one of the hottest issues they face and the mechanical systems engineer can be part of the solution....More


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