ASHRAE-90.1-2022- - Page 003

Extracted Content

CONTENTS

ANSI/ASHRAE/IES Standard 90.1-2022 Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings (I-P Edition)

SECTION PAGE

Foreword …2

1 Purpose…3

2 Scope…3

3 Definitions, Abbreviations, and Acronyms…4

4 Administration and Enforcement…36

5 Building Envelope …42

6 Heating, Ventilating, and Air Conditioning…71

7 Service Water Heating …137

8 Power…144

9 Lighting…148

10 Other Equipment …172

11 Additional Efficiency Requirements…181

12 Energy Cost Budget Method …208

13 Normative References…223

Normative Appendix A: Rated R-Value of Insulation and Assembly U-Factor, C-Factor, and

F-Factor Determinations …229

Informative Appendix B: (Retained for Future Use) …282

Normative Appendix C: Methodology for Building Envelope Trade-Off Option in Section 5.6…283

Informative Appendix D: (Retained for Future Use) …290

Informative Appendix E: Informative References…291

Informative Appendix F: U.S. Department of Energy Minimum Energy Efficiency Requirements,

Test Procedures, and Definitions…295

Normative Appendix G: Performance Rating Method …301

Informative Appendix H: Additional Guidance for Verification, Testing, and Commissioning …345

Informative Appendix I: Using Other Metrics in Conjunction with 

Appendix G Performance Rating Method when Approved by the Rating Authority…354

Normative Appendix J: Sets of Performance Curves…360

Informative Appendix K: Informative Figures—Thermal Bridges …367

Normative Appendix L: Mechanical System Performance Rating Method…372

Informative Appendix M: Addenda Description …393

Annex 1: Reference Standard Reproduction—ASHRAE Standard 169…399

NOTE

Approved addenda, errata, or interpretations for this standard can be downloaded free of charge from the ASHRAE website at www.ashrae.org/technology.

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