Interpretation 90.1-2013-10 – J(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 6.4.3.4 relating to motorized dampers and damper leakage.) Interpretation 90.1-2013-9 – Ma(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 9.1.2, relating to lighting alterations.) Interpretation 90.1-2013-8 – Ma(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 9.4.2 and Table 9.4.2-2, relating to exterior building lighting power and building facades.) Interpretation 90.1-2013-7 – Octo(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 6.5.2.1, relating to applicability at minimum outside air damper position.) Interpretation 90.1-2013-6 – Octo(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 6.5.2.1, relating to maximum allowable reheat percentage.) Interpretation 90.1-2013-5 – Ap(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 6.5.4.6, relating to pipe sizing for district energy systems.) Interpretation 90.1-2013-4 – Janu(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Sections 6.5.3.2.1 and 6.5.3.5, relating to fan airflow control and fractional horsepower motors.) Interpretation 90.1-2013-3 – Octo(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 8.4.2, relating to automatic receptacle control.) Interpretation 90.1-2013-2 – Octo(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Sections G3.1.2.1 and G3.1.2.10 and Tables 6.8.1-2 through 6.8.1-4, relating to baseline fan power used to determine minimum efficiency EER, SEER, COP, and HSPF.) Interpretation 90.1-2013-1 – Octo(Refers to the requirements presented in ANSI/ASHRAE/IES Standard 90.1-2013, Section 5.5.4.6, Exception 5, relating to a definition for side lighting effective aperture.) Improved equipment efficiencies for chillersĬlarifications for the use of prescriptive provisions when performing building energy use modeling, and revisions to enhance capturing daylighting when performing modeling calculationsĪ new alternate compliance path to Section 6, "Heating, Ventilating, and Air-Conditioning," for computer room systems, developed with ASHRAE Technical Committee (TC) 9.9.NOTE: All documents linked from this page are in PDF-format. Improved requirements for expanded use of energy recovery, small-motor efficiencies, and fan power control and credits New provisions for commercial refrigeration equipment and improved controls for heat rejection and boiler equipment Revised equipment efficiencies for heat pumps, packaged terminal air conditioners (PTACs), single package vertical heat pumps and air conditioners (SPVHPs and SPVACs), and evaporative condensers Improvements to daylighting controls, space-by-space lighting power density limits, and thresholds for toplighting Revised, stricter opaque element and fenestration requirements at a reasonable level of cost-effectiveness This 2013 edition has been expanded to include new features and more detailed requirements, as well as incorporating changes from more than 100 addenda. It is an indispensable reference for engineers and other professionals involved in design of buildings and building systems. It offers, in detail, the minimum energy-efficient requirements for design and construction of new buildings and their systems, new portions of buildings and their systems, and new systems and equipment in existing buildings, as well as criteria for determining compliance with these requirements. This standard provides the minimum requirements for energy-efficient design of most buildings, except low-rise residential buildings. Standard 90.1 has been a benchmark for commercial building energy codes in the United States and a key basis for codes and standards around the world for more than 35 years.
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