Most Recent Blog Posts

Is This the End of PACE?

Property Assessed Clean Energy (PACE) is a unique means of financing energy-efficiency improvements. New legislation could have a chilling, even....More

A Patient’s-Eye View of Hospital IEQ

In June 2013, I committed to blogging regularly for HPAC Engineering. Through the first nearly four years, I am proud to say, I never missed a....More

What to Do if You’re Sued and More From Q&A With Construction Lawyer

Recently, I needed to ask my friend Rob Tanner, a Florida attorney who is board-certified in construction law, for legal advice. Even if you’re not....More

The Return of Bioclimatic Architecture

Bioclimatic architecture is a design approach that’s been around for hundreds of years and once again is being seriously investigated....More

Reflections on the 2017 AHR Expo

Learn what caught HPAC Engineering blogger Larry Clark's eye at the 2017 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo)....More

Update (Again) on Energy-Efficient-Commercial-Buildings Tax Deduction

The energy-efficient-commercial-buildings tax deduction was passed by Congress in 2005. Since then, it has been extended several times, most recently....More

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

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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