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About This Item

 

Full Description

Previous versions of this document, errata, and a supplement containing addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw, are available under the Product Family tab.

The purpose of this standard is to provide minimum requirements for the energy-efficient design of buildings except low-rise residential buildings. This standard provides a) minimum energy-efficient requirements for the design and construction of new buildings and their systems, new portions of buildings and their systems, and new systems and equipment in existing buildings and b) criteria for determining compliance with these requirements. The provisions of this standard apply to the envelope of buildings, provided that the enclosed spaces are heated by a heating system whose output capacity is greater than or equal to 10 W/m2 or cooled by a cooling system whose sensible output capacity is greater than or equal to 15 W/m2, and the following systems and equipment used in conjunction with buildings: heating, ventilating, and air conditioning; service water heating; electric power distribution and metering provisions; electric motors and belt drives; and lighting. The provisions of this standard do not apply to single-family houses, multi-family structures of three stories or fewer above grade, manufactured houses (mobile homes), and manufactured houses (modular), buildings that do not use either electricity or fossil fuel, and equipment and portions of building systems that use energy primarily to provide for industrial, manufacturing, or commercial processes.

This 2007 edition of the standard has several new features and includes changes resulting from the continuous maintenance proposals from the public. This edition also corrects all known typographical errors in the 2004 standard. It also includes the content of 31 addenda that were processed by the committee and approved by the ASHRAE and IESNA Boards of Directors.

Keywords: Energy efficiency

Units: SI

 

Document History

  1. ASHRAE 90.1-2019 (SI)


    Standard 90.1-2019 (SI Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

    • Most Recent
  2. ASHRAE 90.1-2016 (SI)


    Standard 90.1-2016 (SI Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

    • Historical Version
  3. ASHRAE 90.1-2013 (SI)


    Standard 90.1-2013 (SI Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

    • Historical Version
  4. ASHRAE 90.1-2010 (SI)


    Standard 90.1-2010 (SI Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI/ASHRAE/IES)

    • Historical Version
  5. ASHRAE 90.1-2007 (SI)

    👀currently
    viewing


    Standard 90.1-2007 (SI Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

    • Historical Version
  6. ASHRAE 90.1-2004 (SI)


    Standard 90.1-2004 (SI Edition) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IESNA Co-sponsored)

    • Historical Version
  7. ASHRAE 90.1-2001 (SI)


    Standard 90.1-2001 (SI) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (IESNA cosponsored; ANSI approved; Continuous Maintenance Standard)

    • Historical Version
  8. ASHRAE 90.1-1999 (SI)


    Standard 90.1-1999 (SI) -- Energy Standard for Buildings Except Low-Rise Residential Buildings (IESNA cosponsored; ANSI approved)

    • Historical Version
  9. ASHRAE 90.1-1989 (Windows version)


    Standard 90.1-1989 (Windows version) -- Energy Efficient Design of New Buildings Except Low-Rise Residential Buildings

    • Historical Version
  10. ASHRAE 90-1975


    Standard 90-1975 -- Energy Conservation in New Building Design

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. ASHRAE/IES 90.1-2007 (SI) Errata (March 8, 2018)

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    Errata for 90.1-2007 (SI) Energy Standard for Buildings Except Low-Rise Residential Buildings

  2. ASHRAE IC 90.1-2007-36

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    Interpretation IC 90.1-2007-36 to ASHRAE Standard 90.1-2007 -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

  3. ASHRAE IC 90.1-2007-35

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    Interpretation IC 90.1-2007-35 to ASHRAE Standard 90.1-2007 -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

  4. ASHRAE IC 90.1-2007-34

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    Interpretation IC 90.1-2007-34 to ASHRAE Standard 90.1-2007 -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

  5. ASHRAE IC 90.1-2007-33

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    Interpretation IC 90.1-2007-33 to ASHRAE Standard 90.1-2007 -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

  6. ASHRAE IC 90.1-2007-31

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    Interpretation IC 90.1-2007-31 to Standard 90.1-2007 -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

  7. ASHRAE IC 90.1-2007-30

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    Interpretation IC 90.1-2007-30 to ASHRAE Standard 90.1-2007 Standard 90.1-2007 -- Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

  8. ASHRAE 90.1-2007 Errata (SI) (May 14, 2015)

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    Errata Sheet for the First Printing of ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  9. ASHRAE IC 90.1-2007-29

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    Interpretation IC 90.1-2007-29 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  10. ASHRAE IC 90.1-2007-28

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    Interpretation IC 90.1-2007-28 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  11. ASHRAE IC 90.1-2007-27

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    Interpretation IC 90.1-2007-27 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  12. ASHRAE IC 90.1-2007-26

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    Interpretation IC 90.1-2007-26 of ANSI/ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  13. ASHRAE IC 90.1-2007-25

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    Interpretation IC 90.1-2007-25 of ANSI/ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  14. ASHRAE/IES IC 90.1-2007-23

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    Interpretation IC 90.1-2007-23 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  15. ASHRAE/IES IC 90.1-2007-24

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    Interpretation IC 90.1-2007-24 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  16. ASHRAE/IES IC 90.1-2007-22

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    Interpretation IC 90.1-2007-22 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  17. ASHRAE/IES 90.1-2007 (SI) Errata (July 9, 2013)

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    Errata for 90.1-2007 (SI) Energy Standard for Buildings Except Low-Rise Residential Buildings: Addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw

  18. ASHRAE/IES IC 90.1-2007-21

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    Interpretation IC 90.1-2007-21 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  19. ASHRAE/IES IC 90.1-2007-20

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    Interpretation IC 90.1-2007-20 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  20. ASHRAE/IES IC 90.1-2007-19

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    Interpretation IC 90.1-2007-19 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  21. ASHRAE/IES IC 90.1-2007-18

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    Interpretation IC 90.1-2007-18 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  22. ASHRAE/IES IC 90.1-2007-17

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    Interpretation IC 90.1-2007-17 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  23. ASHRAE/IES IC 90.1-2007-16

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    Interpretation IC 90.1-2007-16 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  24. ASHRAE/IES IC 90.1-2007-15

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    Interpretation IC 90.1-2007-15 of ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  25. ASHRAE/IES IC 90.1-2007-14

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    Interpretation IC 90.1-2007-14 to ASHRAE Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  26. ASHRAE/IES IC 90.1-2007-13

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    Interpretation IC 90.1-2007-13 of ANSI/ASHRAE/IESNA Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  27. ASHRAE/IES IC 90.1-2007-12

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    Interpretation IC 90.1-2007-12 of ANSI/ASHRAE/IESNA Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings

  28. ASHRAE/IES 90.1-2007 Addenda v, af, an, ao, and ap

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    Addenda v, af, an, ao, and ap to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  29. ASHRAE/IES 90.1-2007 Addendum r

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    Addendum r to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  30. ASHRAE/IES 90.1-2007 Addendum f

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    Addendum f to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  31. ASHRAE/IES 90.1-2007 Addenda e, as, az-bw

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    Addenda e, as, az, bg, bh, bj, bk, bl, bm, bo, bq, br, bv, and bw to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  32. ASHRAE/IES 90.1-2007 Addenda dn, do, dp, dq, and dr

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    Addenda dn, do, dp, dq, and dr to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  33. ASHRAE/IES 90.1-2007 Addenda dg, di, dj, dk, and dl

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    Addenda dg, di, dj, dk, and dl to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  34. ASHRAE/IES 90.1-2007 Addenda d, o, x, aa, ab, ae, at, au, and ba

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    Addenda d, o, x, aa, ab, ae, at, au, and ba to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  35. ASHRAE/IES 90.1-2007 Addenda cy, co, dd, de, and df

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    Addenda cy, co, dd, de, and df to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  36. ASHRAE/IES 90.1-2007 Addenda cr, cs, cw, cz, da, and dc

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    Addenda cr, cs, cw, cz, da, and dc to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  37. ASHRAE/IES 90.1-2007 Addenda ch, cl, and db

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    Addenda ch, cl, and db to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  38. ASHRAE/IES 90.1-2007 Addendum cf

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    Addendum cf to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  39. ASHRAE/IES 90.1-2007 Addenda ce and cp

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    Addenda ce and cp to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  40. ASHRAE/IES 90.1-2007 Addenda cd, ck, cn, cq, ct, and cv

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    Addenda cd, ck, cn, cq, ct, and cv to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  41. ASHRAE/IES 90.1-2007 Addenda bx, by, ca, cb, and cc

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    Addenda bx, by, ca, cb, and cc to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  42. ASHRAE/IES 90.1-2007 Addenda bu

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    Addenda bu to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  43. ASHRAE/IES 90.1-2007 Addenda bi and bt

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    Addenda bi and bt to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  44. ASHRAE/IES 90.1-2007 Addenda bf, bn, and bs

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    Addenda bf, bn, and bs to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  45. ASHRAE/IES 90.1-2007 Addenda ar, av, and bp

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    Addenda ar, av, and bp to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  46. ASHRAE/IES 90.1-2007 Addenda am, aq, and ax

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    Addenda am, aq, and ax to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  47. ASHRAE/IES 90.1-2007 Addendum al

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    Addendum al to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  48. ASHRAE/IES 90.1-2007 Addenda ag, ai, aj, ak, ay, bc, and bd

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    Addenda ag, ai, aj, ak, ay, bc, and bd to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  49. ASHRAE/IES 90.1-2007 Addendum ac

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    Addendum ac to ANSI/ASHRAE/IESNA Standard 90.1-2007 (SI Edition)

  50. ASHRAE/IES IC 90.1-2007-11

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    Interpretation IC 90.1-2007-11 of Energy Standard for Buildings Except Low-Rise Residential Buildings

  51. ASHRAE/IES IC 90.1-2007-10

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    Interpretation IC 90.1-2007-10 of Energy Standard for Buildings Except Low-Rise Residential Buildings

  52. ASHRAE/IES IC 90.1-2007-9

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    Interpretation IC 90.1-2007-9 of Energy Standard for Buildings Except Low-Rise Residential Buildings: Addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw

  53. ASHRAE/IES IC 90.1-2007-8

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    Interpretation IC 90.1-2007-8 of Energy Standard for Buildings Except Low-Rise Residential Buildings: Addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw

  54. ASHRAE/IES IC 90.1-2007-7

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    Interpretation IC 90.1-2007-7 of Energy Standard for Buildings Except Low-Rise Residential Buildings: Addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw

  55. ASHRAE/IES IC 90.1-2007-6

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    Interpretation IC 90.1-2007-6 of Energy Standard for Buildings Except Low-Rise Residential Buildings: Addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw

  56. ASHRAE/IES 90.1-2007 Supplement

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    Supplement to Energy Standard for Buildings Except Low-Rise Residential Buildings: Addenda a, b, c, g, h, i, j, k, l, m, n, p, q, s, t, u, w, y, ad, and aw