NEBBCHICAGO — On Tuesday morning, the National Environmental Balancing Bureau (NEBB) announced its two latest publications:Procedural Standards for Building Envelope TestingandCommissioning of Commercial Refrigeration Systems Guidelines. The two publications are expected to be available by the end of February.

According to NEBB, Building Envelope Testing is its newest discipline and addresses the ability to test and quantitatively report the performance of the airtightness of today's building enclosures.

The Commercial Refrigeration Systems guideline establishes a uniform and systematic set of criteria for the performance of the commissioning process when applied to refrigeration systems, said NEBB.