Sustainable Performance Solutions LLC, Fort Lauderdale, Fla.
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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 firm focused on energy and sustainability consulting. He has more than two dozen published articles on HVAC- and energy-related topics to his credit and frequently lectures on green-building best practices, central-energy-plant optimization, and demand-controlled ventilation. He blogs semimonthly for HPAC Engineering’s weekly Fastrack electronic newsletter.

Choose Your Own (HVAC) Adventure: License to Engineer
Congratulations! You just passed your PE exam. Do you stay in the mechanical department or transfer to the building-sciences department of your firm? Click here to begin your adventure!
Property Assessed Clean Energy (PACE)
PACE provides financing for energy-efficiency improvements, water-conservation projects, renewable-energy installations and upgrades, and, in Florida, wind-resistance projects for commercial, institutional, and, in some cases, residential properties.
What Owners Need to Know About ... Green-Building Rating Systems 
With so many choices, it is important for facility owners to have at least a nodding familiarity with the various building rating systems. This article takes a look at LEED, Green Globes, ENERGY STAR, and the Living Building Challenge.
Reducing Energy in Older (Not Just) Health-Care Facilities
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Leveling the Playing Field of Green Products
In a 2010 survey of chief executive officers worldwide, 93 percent of respondents cited sustainability as critical to the future success of their companies, with 91 percent saying their companies would employ new technologies, such as renewable energy and energy efficiency, to address sustainability issues in the ensuing five years. That is the good news. The bad news is that many promising new products and technologies are having a difficult time making it onto the radar of specifiers and purchasers.
The Benefits of Ice-Based Thermal Energy Storage
Is ice-based thermal-energy storage (TES) really green? Although the success of ice-based TES in reducing energy costs has been substantiated, there are differing opinions within the HVAC community regarding whether TES is a green technology.
Multiparameter Demand-Controlled Ventilation 
Long known to correlate with human metabolic activity, carbon-dioxide (CO2) levels are a reliable indicator of indoor pollution originating from building
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