BUILDING ENERGY CODES PROGRAM ANSI/ASHRAE/IES Standard 90.1-2016: Overview

BUILDING ENERGY CODES PROGRAM ANSI/ASHRAE/IES Standard 90.1-2016: Overview

BUILDING ENERGY CODES PROGRAM ANSI/ASHRAE/IES Standard 90.1-2016: Overview Prepared by Pacific Northwest National Laboratory for the U.S. Department of Energy 1 March 2017 BUILDING ENERGY CODES PROGRAM www.energycodes.gov Acknowledgements PNNL and DOE would like to thank ASHRAE Standing Standard Project Committee 90.1 for their contributions to the development of the 90.1-2016 presentations and their technical review of the content. 2

BUILDING ENERGY CODES PROGRAM www.energycodes.gov Structure of Standard 90.1-2016 1 Purpose 2 Scope 3 Definitions, Abbreviations, and Acronyms 4 Administration and Enforcement 5 Building Envelope

6 Heating, Ventilating, and Air Conditioning 7 Service Water Heating 8 Power 9 Lighting 10 Other Equipment 11 Energy Cost Budget Method 12 Normative References Normative Appendices A-H 3 BUILDING ENERGY CODES PROGRAM www.energycodes.gov Summary of Changes Total of 121 addenda Major format changes for ease of use New climate maps aligning with ASHRAE Standard 169 New performance-based compliance path Significant whole building energy savings 4 BUILDING ENERGY CODES PROGRAM

www.energycodes.gov New Format 2013 278 total pages Two-column format No shading for table rows Defined terms normal font 2016 388 total pages Single-column format Alternate shading for table rows Defined terms italicized 5 BUILDING ENERGY CODES PROGRAM www.energycodes.gov Section 2 Scope 2.1 2.4

Applies to: New buildings and their systems New portions of buildings and their systems New systems and equipment in existing buildings, and New equipment or building systems specifically identified in the standard that are part of industrial or manufacturing processes Criteria for determining compliance with requirements Does not apply to: Single-family houses, low-rise multi-family < 3 stories above grade, manufactured houses (mobile or modular) Buildings that use neither electricity nor fossil fuel Certain other buildings or elements may be exempt Does not circumvent any safety, health, or environmental requirements 6 BUILDING ENERGY CODES PROGRAM

www.energycodes.gov Section 4 Administration and Enforcement General (Section 4.1) Scope New Buildings Additions to Existing Buildings

Alterations to Existing Buildings Replacement of Portions of Existing Buildings Changes in Space Conditioning Administrative Requirements Alternative Materials, Methods of Construction, or Design Validity Other Laws Reference Standards Normative Appendices Informative Appendices Reference Standard Reproduction Annexes Compliance Paths and Documentation (Section 4.2) 7 BUILDING ENERGY CODES PROGRAM www.energycodes.gov Compliance Paths Building System Compliance Options Prescriptive

Option Envelope HVAC SWH Mandatory Provisions Trade Off Option (required for all compliance options) Power Energy Code Compliance Energy Cost Budget Lighting

Other Performance Rating Method 8 BUILDING ENERGY CODES PROGRAM www.energycodes.gov Compliance Path Compliance Paths for 2016 1. Prescriptive 2. Energy Cost Budget 3. Appendix G (New) 4.2 Compliance 4.2.1 Compliance Paths 4.2.1.1 New Buildings New buildings shall comply with either the provisions of a. Section 5, Building Envelope; Section 6, Heating, Ventilating, and Air Conditioning; Section 7,

Service Water Heating; Section 8, Power; Section 9, Lighting; and Section 10, Other Equipment, or b. Section 11, Energy Cost Budget Method, or c. Appendix G, Performance Rating Method. 9 BUILDING ENERGY CODES PROGRAM www.energycodes.gov Compliance Path Requires a Performance Cost Index (PCI) specific to building type and climate zone PCI of 1.0 = baseline building PCI of 0.0 = zero net energy For compliance, PCI < PCIt PCIt specified in Standard, and varies by building type, climate zone, and proportion of regulated to unregulated load

1.0 Baseline 0.75 0.50 0.25 0 BUILDING ENERGY CODES PROGRAM 10 Net Zero www.energycodes.gov Compliance Path Building type and climate zone adjustment by Building Performance Factor

11 BUILDING ENERGY CODES PROGRAM www.energycodes.gov Additional Training Materials Slide decks are also available detailing the Envelope, HVAC, and Power and Lighting requirements of Standard 90.1-2016, accessible at https://www.energycodes.gov/training 12 BUILDING ENERGY CODES PROGRAM www.energycodes.gov

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