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Public Reviews, January 2019

Public Reviews, January 2019

BSR/ASHRAE Standard 127- 2012R, Method of Testing for Rating Air Conditioning Units Serving Data Center (DC) and Other Information Technology Equipment (ITE) Spaces

The following is under a 45-day public review from Jan. 18 to March 4:

2nd Public Review BSR/ASHRAE Standard 127- 2012R

This revision of Standard 127-2012 establishes a uniform set of test requirements for rating air conditioning units that are applied in Data Center (DC) and other Information Technology Equipment (ITE) spaces.

ANSI/ASHRAE Standard 135-2016, BACnet - A Data Communication Protocol for Building Automation and Control Networks

The following is under a 30-day public review from Dec. 28 to Jan. 27:

2nd ISC Public Review ISC of BSR/ASHRAE Addendum br

This addendum adds new engineering units, a new mandate to accept writes of NULL to non-commandable properties, and intrinsic fault reporting to Lighting Output object type; deprecates Time form of timestamps; clarifies the Multi-state object types when Number_Of_States shrinks; fixes the language for event type and message text parameters of event notifications; clarifies the object instance 4194303; extends the ReadPropertyMultiple service to support the Network Port wildcard instance treatment; and clarifies the timestamp of trend log and trend log multiple log records.

ANSI/ASRHAE/ICC/ USGBC/IES Standard 189.1-2017, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

The following are under a 30-day public review from Dec. 21 to Jan. 20:

  • 2nd Public Review ISC of BSR/ASHRAE/ICC/ USGBC/IES Addendum a

The first public review draft added Climate Zones 4A and 4B to those required to meet heat island mitigation criteria in Section for roofs. In response to the first public review, two additional exceptions were added.

  • 1st Public Review of BSR/ASHRAE/ICC/USGBC/ IES Addendum m

This addendum adds new provisions to enable right-sized tubing for efficient delivery of water through hot water distribution systems.

  • 1st Public Review of BSR/ASRHAE/ICC/USGBC/ IES Addendum n

This addendum clarifies the indoor environmental quality requirements for composite wood and related materials.

Constructive comments are invited for the following public review drafts, which can be accessed on ASHRAE’s website.

All activity for reviewing and commenting on public review drafts can be accomplished completely online. To obtain a paper copy of any Public Review Draft contact:


Attn: Standards Public Review

1791 Tullie Circle NE

Atlanta, GA 30329-2305

or email

Paper copies are available for $35/copy if 100 pages or fewer and $45 if more than 100 pages.