NEBB releases guidelines for refrigeration, building envelope testing

The National Environmental Balancing Bureau (NEBB) has released two separate publications, providing guidelines for commissioning refrigeration systems and for building envelope testing.


The National Environmental Balancing Bureau (NEBB) has announced two new publications: Procedural Standards for Building Envelope Testing and the Commissioning of Commercial Refrigeration Systems Guideline.

The Procedural Standards for Building Envelope Testing covers the ability to test and quantitatively report the performance of the air-tightness of today’s building enclosures. Two procedures are provided for the practitioner to follow in testing the integrity of the enclosure: A Blower-Door Test Method and a Building HVAC System Test Method.  

Additionally, the publication identifies the required instrumentation and equipment to properly perform the associated tests and the accuracy, range, resolution and calibration requirements of the instruments and equipment. Reporting requirements are also identified.  

The Commissioning of Commercial Refrigeration Systems Guideline establishes the technical process of commissioning a refrigeration system and is intended to be used as an extension of NEBB’s Procedural Standard for Whole Building Systems Commissioning of New Construction.  

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