Most Recent Blog Posts

The Next Generation of Construction Codes and Standards

Codes and standards related to construction traditionally have been either prescriptive or performance-based. Both have advantages and disadvantages....More

Reflections on Starting an Energy and Sustainability Consulting Firm5

On the five-year anniversary of launching his energy and sustainability consulting firm, Larry Clark shares challenges and rewards he has experienced....More

Environmental Responsibility: It’s not Just a HVAC Issue4

Ozone depletion, fracking, sea-level rise—these are complex issues. If we’re to be good stewards of the planet, we need to better understand all....More

The Birds and the Bees—and the Btus—of Air Curtains1

Air curtains often are used on frequently opened doors in health-care and food-preparation facilities to keep out bugs and birds. Although this....More

Drones on Building Job Sites

In my Aug. 26, 2014, post, I wrote that we soon might have drones taking our construction-progress photos. Not surprisingly, that time is here....More

New U.S. Department of Energy Rules for HVACR Equipment1

Last month, as I was perusing the “Locating a Product” section of Info-dex, HPAC Engineering’s annual directories issue, it occurred to me that over....More

HVAC and Electric Motors1

A multistory commercial office building has a relatively new 1.5-ton split system that cools the elevator equipment room. When the building’s....More

Laboratory Water Efficiency1

Since its inception in 2010, our firm has had the opportunity to work with several major research laboratories, which has given us first-hand insight....More

The Role of School HVAC in Student Performance

Green schools report lower absenteeism, better academic performance, and less faculty turnover. If schools in your community aren’t being designed....More

Fortifying Building HVAC Systems Against Terrorist Attacks

Several years ago, I became aware of a technology that not only can protect the occupants of a building from a chemical, biological, or radiological....More

Saluting Green-Building, HVACR Industries’ Efforts to Employ Veterans

With the unemployment rate among military veterans 18 to 24 years of age topping 20 percent, finding jobs for returning service members is—or should....More

Where Is the Value in HVAC ‘Value Engineering’?2

Most of us in manufacturing and construction-related fields probably have had some exposure to value engineering. I do not know about you, but I can....More

Refrigerant Additives Revisited

Last November, I posted on refrigerant additives. Because I had first-hand knowledge of the performance of one of those products, I mentioned it by....More

Many States, HVAC Contractors not Keeping PACE2

Recently, I received a phone call from a former colleague who now lives and works in Pennsylvania. He wanted to discuss financing options for the....More

Update on Refrigerants1

In January 2014, I (semi) humorously posted about the similarities between college football and the HVAC industry. Much of my post addressed the....More

Lawrence (Larry) Clark, QCxP, GGP, LEED AP+

A member of HPAC Engineering’s Editorial Advisory Board, Lawrence (Larry) Clark, QCxP, GGP, LEED AP+, is principal of Sustainable Performance Solutions LLC, a South Florida-based engineering...
What's Clark's Remarks?

The thoughts and musings of Lawrence (Larry) Clark, principal of Sustainable Performance Solutions LLC.

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