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ASHRAE membership is open to any person associated with heating, ventilation, air conditioning or refrigeration. ASHRAE is unique because its membership is drawn from a wide range of disciplines relating to the HVAC&R field. Approximately 51,000 individuals from more than 100 nations belong to the Society.

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Interpretation for Standard 90.1-2010

NOTE: All documents linked from this page are in PDF-format .

Interpretation 90.1-2010-01 – April 9, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.4.4.1.3 Piping Insulation, relating to pipe insulation requirements in Table 6.8.3A and Table 6.8.3B.)

Interpretation 90.1-2010-02 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IESNA Standard 90.1-2010, Section 9.1.1, Exception (c), regarding the exception for health or safety lighting.)

Interpretation 90.1-2010-03 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.1, relating to datacenters in high school facilities.)

Interpretation 90.1-2010-04 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.1, relating to wireless telecommunications facilities.)

Interpretation 90.1-2010-05 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.4, relating to datacenters.)

Interpretation 90.1-2010-06 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.1, relating to datacenters.)

Interpretation 90.1-2010-07 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.4, relating to datacenters.)

Interpretation 90.1-2010-08 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.3, relating to telecommunication equipment spaces.)

Interpretation 90.1-2010-09 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.3, relating to datacenters.)

Interpretation 90.1-2010-10 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.3, relating to datacenters.)

Interpretation 90.1-2010-11 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.2, relating to datacenters.)

Interpretation 90.1-2010-12 – October 22, 2011 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.2, relating to datacenters.)

Interpretation 90.1-2010-13 – January 23, 2012 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1 Economizers, Exception k.1, relating to wireless telecommunications facilities.)

Interpretation 90.1-2010-14 – June 25, 2012 (Refers to the requirements presented in ANSI/ASHRAE/IESNA Standard 90.1-2010, Sections 6.4 and Table 6.8.1C relating to mandatory equipment efficiency requirements for chillers.)

Interpretation 90.1-2010-15 – June 23, 2012 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.1.4, relating to Economizer Heating System Impact.)

Interpretation 90.1-2010-16 – June 23, 2012 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 9.4.1.1, relating to automatic lighting shutoff controls for mechanical/electrical rooms containing high voltage electrical equipment.)

Interpretation 90.1-2010-17 – April 16, 2013 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 9.4.1.4(a), relating to Automatic Daylighting Controls for Primary Sidelighted Areas and the light sensor for the photocontrol.)

Interpretation 90.1-2010-18 – June 24, 2013 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Sections 9.2.2.3, 9.4.1.2, 9.4.1.6, 9.4.3 and 9.6.2 relating to the requirements for a separate or independent lighting control device.)

Interpretation 90.1-2010-19 – October 18, 2013 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.2 relating to simultaneous heating and cooling.)

Interpretation 90.1-2010-20 – January 18, 2014 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 9.1.2 relating to lighting alterations and controls.)

Interpretation 90.1-2010-21 – January 20, 2014 (Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2010, Section 6.5.2.2.1, relating to four-pipe common load systems.)