Most Recent Blog Posts

Solar Trees in Bloom at POWER-GEN

Last month, I attended POWER-GEN International, billed as the world’s largest power-generation event. One exhibitor I was especially looking forward....More

Legionellosis Prediction a Year Later: Not What I Expected

A year ago, I predicted new procedures and technologies and perhaps some new businesses would emerge in response to the problem of legionellosis. I....More

Taking the High Road in Promoting Sustainability

Previously, I praised the Green Building Initiative for pledging to promote green-building practices regardless of the "product" used. Now, USGBC....More

On the Phaseout of HFCs and a Milestone for Nuclear Power1

Last month marked two significant events: the signing by more than 170 countries of a legally binding accord that phases out the use of....More

Raising the Efficiency Ceiling of Rooftop Units

For cooling requirements of up to 100-plus tons, rooftop units often represent a low-first-cost solution, based on equipment cost and relative ease....More

Commercial-Building Energy Efficiency; Denying Climate-Change Deniers2

According to the U.S. Energy Information Administration, total energy consumption in commercial buildings increased just 7 percent from 2003 to 2012....More

Solar-Powered Steam Generation1

Two years ago, MIT researchers developed a structure capable of converting 85 percent of solar energy to steam. MIT since has improved this “solar....More

Florida’s Competing Solar Initiatives

Here in Florida, we have had two solar initiatives on our ballot during the current election cycle. One of them, Amendment 4, was on last month’s....More

Florida Engineering Conference: PACE, Seal-Level Rise, Climate Change

Recently, I had the opportunity to present at the Florida Engineering Society’s Annual Conference in Ponte Vedra Beach, Fla....More

As Roof Color, New Blue May Help Put Lid on Building Cooling Costs

In 2009, researchers accidentally discovered a new color, a shade of blue they dubbed YInMn Blue. The new pigment absorbs UV and is resistant to high....More

Beneficial Microbes in Building Air

The health effects of poor ventilation are well-established. The idea of improving ventilation by adding certain microbes to fresh air is a paradigm....More

Tunable LED Lighting

Some very unique LED-lighting products are starting to appear in the marketplace. One of the most intriguing is color tuning....More

The Robots Are Coming!

The 2016 Economic Report of the President discusses how increased robot utilization might affect jobs and notes the concern robots could take a....More

Gorrie Details: Air-Conditioning Sales Rising in Emerging Countries1

Although Willis Carrier generally is credited with inventing air conditioning, in Florida, we recognize Dr. John Gorrie....More
Contributors

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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