Karen D. Groppe, PCM, National Environmental Balancing Bureau, Gaithersburg, Md.

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HVAC/R and Mechanical October 18, 2010

Commissioning on the rise

Specialized commissioning, retrocommissioning, and testing, adjusting, and balancing firms are increasing, with emphasis on specialized work.

By Karen D. Groppe, PCM, National Environmental Balancing Bureau, Gaithersburg, Md.
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