This website uses cookies to store information on your computer. Some of these cookies are used for visitor analysis, others are essential to making our site function properly and improve the user experience. By using this site, you consent to the placement of these cookies. Click Accept to consent and dismiss this message or Deny to leave this website. Read our Privacy Statement for more.
Report Issue | Payment Portal | My Network | Sign In | Request a Login
Technical Bulletins
NFRC Documents
 
Technical Bulletins

These bulletins announce changes to NFRC technical documents, software, and technical procedures.

Technical Bulletin
Topic
Technical Bulletin 2025-19 Revision to NFRC CPD Code ListingOct. 29, 2025 
Technical Bulletin 2025-18 Revision to NFRC CPD Code Listing Oct. 20, 2025 
Technical Bulletin 2025-17 IGDB 108.1 Oct. 14, 2025 
Technical Bulletin 2025-16 IGDB 108.0 and CGDB 37 Oct. 6, 2025 
Technical Bulletin 2025-15 IGDB 107.0 and CGDB 36 Aug. 13, 2025 
Technical Bulletin 2025-14 Update to NFRC CPD Code Control Manual July 29, 2025 
Technical Bulletin 2025-13 Revisions to NFRC 101, ANSI/NFRC 100, and ANSI/NFRC 200July 7, 2025 
Technical Bulletin 2025-12 IGDB 106.0 June 12, 2025 
Technical Bulletin 2025-11 IGDB 105.0 June 5, 2025 
Technical Bulletin 2025-10 Revision to NFRC 101 May 5, 2025 
Technical Bulletin 2025-09 IGDB 104.0 and CGDB 35Apr. 14, 2025 
Technical Bulletin 2025-08 Revision to NFRC 101 and Reaffirmation of NFRC 708 Apr. 10, 2025 
Technical Bulletin 2025-07 Update to NFRC CPD Code Control Manual Mar. 18, 2025 
Technical Bulletin 2025-06 Revisions to NFRC 101; Reaffirmation of NFRC 701 SeriesMar. 3, 2025
Technical Bulletin 2025-05 Recommended Changes to WINDOW Preference Settings Feb. 19, 2025 
Technical Bulletin 2025-04 IGDB 103.0; CGDB 34.1 Feb. 7, 2025 
Technical Bulletin 2025-03 Revisions to ANSI/NFRC 100 and ANSI/NFRC 200 Jan. 31, 2025 
Technical Bulletin 2025-02 Update to NFRC CPD Code Control Manual Jan. 14, 2025 
Technical Bulletin 2025-01 NFRC Condensation Resistance and Condensation Index Ratings for Products Using VIG Jan. 10, 2025 
Technical Bulletin 2024-24 New NFRC CPD Code Control Manual Dec. 10, 2024 
Technical Bulletin 2024-23 Publication of Revised NFRC 101 Dec. 10, 2024 
Technical Bulletin 2024-22 IGDB 102.0Dec. 9, 2024 
Technical Bulletin 2024-21 IGDB 101.0 and CGDB 33.0Oct. 9, 2024 
Technical Bulletin 2024-20 Update for Technical Bulletin 2024-19 re: Modeling Simulated Divided Lite Oct. 8, 2024 
Technical Bulletin 2024-19 Update for Modeling Simulated Divided Lite Sept. 27, 2024 
Technical Bulletin 2024-18 Publication of Revised NFRC 101 Sept. 24, 2024 
Technical Bulletin 2024-17 Publication of Revised NFRC Technical Interpretations Manual and NFRC 101-2023[E0A13] Aug. 13, 2024 
Technical Bulletin 2024-16 Publication and Implementation of Revisions to ANSI/NFRC 100, ANSI/NFRC 200, and ANSI/NFRC 500Aug. 9, 2024
Technical Bulletin 2024-15 IGDB 100.0 July 31, 2024 
Technical Bulletin 2024-14 Revisions to NFRC Simulation Manual and NFRC 101-2023[E0A12] July 22, 2024 
Technical Bulletin 2024-13 IGDB 99.0 June 17, 2024 
Technical Bulletin 2024-12 IGDB 98.0 and CGDB 32.0 June 13, 2024 
Technical Bulletin 2024-11 Publication of NFRC 101-2023[E0A11] June 5, 2024 
Publication of NFRC 101-20239[E0A10]
May 8, 2024
Technical Document Implementation and New Upload Spreadsheet
Apr. 19, 2024
IGDB 97.0
Apr. 8, 2024
Publication of NFRC 101-2023[E0A9]
Apr. 3, 2024
Process for Submitting Venetian Blinds into CGDB
Apr. 1, 2024
Publication of NFRC 101-2024[E0A8]
Mar. 11, 2024
IGDB 96.0
Feb. 20, 2024
Publication of NFRC 101-2023[E0A7]
Jan. 12, 2024
IGDB 95.0/CGDB 29.0
Jan. 3, 2024
Revised CPD Thermal Break Material, Gap (Gas) Fill, and Tint Codes Listing
Jan. 2, 2024
IGDB 95.0/CGDB 29.0
Nov. 13, 2023
Updates to NFRC 101 and NFRC 102
Nov. 8, 2023
LEAFF and CI Pilot Program Extension
Nov. 6, 2023
IGDB Version 94.0
Oct. 23, 2023
Proposed Changes to CPD Codes
Oct. 16, 2023
Publication of NFRC 101-2023[E0A5]
Oct. 12, 2023
Publication of NFRC 101-2023[E0A4]
Sept. 15, 2023
IGDB Version 93.0 Is Now Available
Aug. 24, 2023
Revisions Published for NFRC TI Manual and NFRC 701
Aug. 21, 2023
 Approval for Use of WINDOW/THERM 7.8.71 and Sunset of WINDOW/THERM 7.8.57
Aug. 18, 2023
Publication of NFRC 101-2023[E0A3] 
July 31, 2023
Updates to NFRC Simulation Manual, Technical Interpretations Manual, and NFRC 716-2023 Certified Simulator Program
May 12, 2023
Publication on NFRC 101-2023[E0A2]
May 5, 2023
IGDB Version 91.0 and CGDB Version 28.0
Apr. 17, 2023
Publication of ANSI/NFRC 203, ANSI/NFRC 400, and NFRC101
Apr. 12, 2023
Use of WINDOW/THERM 7.8.57; Sunset of WINDOW/THERM 7.4 and 7.7.10
Mar. 28, 2023
IGDB Version 90.0 and CGDB Version 27.0
Feb. 10, 2023
Publication of NFRC 101-2023
Jan. 20, 2023
Publication of 2023 Technical Documents
Dec. 22, 2022
CPD and Upload Changes Taking Effect Jan. 1, 2023
Dec. 15, 2022
Publication of Updated Versions of ANSI/NFRC 100-2020[E0A2], ANSI/NFRC 200[E0A2], and ANSI/NFRC 202-2020[E0A2]
Dec. 8, 2022
CPD LEAFF/CI User Manuals and Upload Spreadsheets 
Dec. 2, 2022
Publication of NFRC 1001-2020[E1A14]
Nov. 18, 2022
LEAFF and Condensation Index Simulation Manual and Tools Available
Nov. 3, 2022
Publication of NFRC Simulation Manual
Oct. 14, 2022
IGDB Version 88.0 and CGDB Version 26.0
Oct. 13, 2022
Applied Film Database Update
Sept. 28, 2022
Approval of WINDOW 7.8.55 and THERM 7.8.55, Sunset dates for previous versions
Sept. 19, 2022
Revisions to NFRC 101-2020[E1A13] and TI-2011-09
Aug. 15, 2022
Duralite Spacer Modeling Change
July 12, 2022
Publication of NFRC 101-2020[E1A12]
July 1, 2022
Publication of NFRC 101-2020[E1A11]
June 3, 2022
Publication of NFRC 300-2022[E1A1]
May 12, 2022
Publication of NFRC 101-2020[E1A10]
April 13, 2022
Revised CPD Code Listing
March 2, 2022
Publication of NFRC 301 and 302
January2022
Publication of ANSI/NFRC documents (100, 200, 202, 203, 400, and 500), and NFRC 201, 300, 303, 304, 600, and 901  
January 2022 
 Release of IGDB 83.0
December 15, 2021
 Publication of NFRC 101-2020[E1A9] and NFRC 102-2020[E1A0]
November 17, 2021
Publication of NFRC 101-2020[E1A8] 
October 1, 2021
 Publication of NFRC 101-2020[E1A7]
September 8, 2021
Publication of NFRC 101-2020[E1A6] 
August 2, 2021
Issues with WINDOW/THERM 7.7 for Products with Blinds Between Glass in  
 June 4, 2021
Publication of NFRC 101-2020[E1A5]
May 24, 2021
Publication of NFRC 701.03{E0A1], NFRC 701.07[E0A1], and  TI Manual[E2A29]
May 19, 2021 
 Sunset of WINDOW 7.4 / THERM 7.4
April 5, 2021
 Publication of NFRC 101-2020[E0A4]
March 5, 2021
 Publication of NFRC 101-2020[E0A3]
March 1, 2021
 Publication of NFRC 101-2020[E0A2]
February 10, 2021
2020
Implementation of NFRC THERM 7 /  WINDOW 7 Simulation Manual 2020 
October 27, 2020 
Publication of NFRC 101-2020[E0A1] 
October 27, 2020 
Publication of NFRC 2020 Documents 201, 300, 301, 302, 303, 304, 600, 601, and 901 
October 2, 2020 
Publication of NFRC 101-2020[E0A0] 
October 1, 2020 
Publication of ANSI/NFRC 2020 Documents and NFRC 501-2020 
August 21, 2020 
Extension of sunset for WINDOW 7.4.14 / THERM 7.4.4; Use of WINDOW 7.7.10 / THERM 7.7.10 
August 6, 2020 
Publication of NFRC 101-2017[E2A17] 
July 31, 2020 
Revisions to NFRC 701.04-2020 and NFRC 701.06-2020 
July 8, 2020
IGDB Update 
May 13, 2020 
NFRC 701-2020 Series Publication
May 6, 2020 
Implementation Plan for NFRC 101 Conductivity Values
April 22, 2020 
Publication of NFRC 101-2017[E2A16]
April 2, 2020 
Use of WINDOW 7.7.10 and THERM 7.7.10
March 13, 2020
2019
Publication of NFRC 101-2017[E2A17] 
November 27, 2019 
Publication of NFRC 101-2017[E2A14] 
August 27, 2019 
Publication of NFRC 101-2017[E2A13]
July 11, 2019 
Publication of NFRC 301 and 302-2020[E0A2]
July 10, 2019 
Publication of NFRC 101-2017[E2A12] 
May 8, 2019
2018
Publication of NFRC 101-2017[E2A10] 
 
Technical Interpretations: TI-2018-02 Pivot Windows; TI-2018-03 Pivot Doors; TI-2018-04
Dynamic Glazing
August 24, 2018  
Publication of NFRC 101-2017[E2A8] 
July 2, 2018 
Revision to TI-2017-02 Application of TI2010-20 to Different Frame Cases 
May 31, 2018 
Publication of NFRC 101-2017[E2A7] 
May 30, 2018 
Publication of NFRC 300-2017[E0A2] 
May 11, 2018 
Technical Interpretation TI-2018-01 Single Panel Pocket Door 
April 30, 2018 
Publication of NFRC 101-2017[E2A6] 
March 1, 2018 
Publication of NFRC 101-2017[E2A5] 
February 12, 2018 
Publication of NFRC 101-2017[E2A4] 
January 18, 2018 
2017
Technical Interpretations: TI-2017-02 Application of TI2010-20 to Diff. Frame Cases; TI-2017-03
Glazings and Interlayers 
 November 6, 2017
Publication of new version of the NFRC Simulation Manual 
July 20, 2017 
Publication of NFRC 101-2017[E2A3]
July 5, 2017
Publication of NFRC 101-2017[E2A2] 
May 22, 2017 
Publication of NFRC 101-2017[E1A1] 
April 20, 2017
Technical Interpretation TI-2017-01 Inswing and Outswing Options and Swinging Doors
April 7, 2017 
Publication of NFRC 101-2017[E1A0] 
February 2, 2017 
Publication of NFRC 101-2017[E0A0] 
January 16, 2017

About Us

The National Fenestration Rating Council (NFRC) is the trusted, independent, nonprofit certification body for the energy performance of windows, doors, and skylights. With more than 35 years of expertise, NFRC is the standard-bearer in fenestration performance certification, providing the public with objective data that helps stakeholders make informed decisions about product and building performance. NFRC certification ensures that products are tested using precise, scientifically validated methods, resulting in ratings that are fair, accurate and credible. Contact us at info@nfrc.org.

Connect With Us