REM/Rate™ 2025 starts off with a 14-day trial mode. The trial mode has all the features of a registered version of REM/Rate™, except that the results are sample data based off of the actual data and not to be taken as accurate and none of the reports can be printed. After 14 days, the program needs to be registered. Warnings will be generated as the software gets close to expiring. Any time during the trial period you may activate the software by purchasing a license.

2025 Hotfix 19 April 2026

  • Bug Fixes and Stability Enhancements:
    • Opening an earlier building file without AG wall orientation will now default the orientation to 'NONE' instead of 'South'
    • Fixed an issue with Improvement Analysis where replacing a furnace/AC unit with a heat pump would cause errors in the building
    • Fixed an issue where the Building File Report would show N/A and missing library
    • Fixed a crash when running the Building File Report along with IECC 2024 or 2025 ECCCNYS
    • Replaced interior shading coefficient of 1.0 and now uses 301-2022 defaults of (0.70/0.85)
    • Fixed roof absorptance parameter from 0.25 (reflectance) to 0.75 (absorptance) for IECC 2024, IECC 2024 R405, 2025 ECCCNYS
    • Enhanced UA report: New detailed Ref vs Design U/F breakdown for IECC 2024 / 2025 ECCCNYS
    • Fixed an issue where the 2021 IECC ERI Hourly Report showed a target value of 0 because of a misconfigured climate zone
    • Enhanced Mandatory Requirements by adding a checkbox and supporting logic for R408.2.9 Opaque Wall Credit which applies only to 2024 IECC and 2025 ECCCNYS Prescriptive TC compliance path
    • Fixed basement/crawlspace thermal boundary assignment for TC compliance so floor vs. foundation wall is correctly selected based on the building's thermal boundary setting
    • Corrected page 2 column headers on the 2024 IECC TC / 2025 ECCCNYS TC report
    • Fixed a crash when running the Batch Summary Report under all conditions
    • Fixed an issue with the computation of the lighting LED percent was wrong resulting in not passing in the IECC 2024 TC Report
    • Fixed a crash when running the R405 compliance reports for 2024 IECC and 2025 ECCCNYS where the building only had heating and no A/C

Instructions:

  1. Click the button to download the REM/Rate™ 2025 installer to your desktop.

  2. When the download is done, right click the RemRateInstaller2025.exe and select "Run as administrator..." (You must have administrator permissions to run the installer.)

These files will install the complete application. All versions start with a free trial. The trial mode has all the features of a registered version of REM/Rate™, except that none of the reports can be printed. After the trial ends, the program needs to be registered. Warnings will be generated as the software gets close to expiring. Any time during the trial period you may activate the software by purchasing a license.

2023 Hotfix 2033 April 2026

  • Bug Fixes and Stability Enhancements:
    • Fixed an issue with Improvement Analysis where replacing a furnace/AC unit with a heat pump would cause errors in the building
    • Fixed a crash when running the Batch Summary Report under all conditions

Instructions:

  • Click the button to download the REM/Rate™ 2023 installer to your desktop.

  • When the download is complete, run the installer by double-clicking the file if running Windows XP. For newer Operating Systems, right-click the file and select "Run as administrator..."

These files will install the complete application. All versions start with a free trial. The trial mode has all the features of a registered version of REM/Rate™, except that none of the reports can be printed. After the trial ends, the program needs to be registered. Warnings will be generated as the software gets close to expiring. Any time during the trial period you may activate the software by purchasing a license.

Instructions:

  • Click the button to download the REM/Rate™ 16.3.4 installer to your desktop.

  • When the download is complete, run the installer by double-clicking the file if running Windows XP. For newer Operating Systems, right-click the file and select "Run as administrator..."

License REM/Rate™ 2025

To purchase a REM/Rate™ Desktop Software license, please email us

REM/Rate™ is available to be licensed annually to RESNET® accredited HERS® Providers. For additional licensing information, please contact [email protected].

REM/Rate™ Lite is for non-RESNET® providers is available and does not produce HERS index but ERI index is available. Climate data is available for cities and towns throughout North America.

REM/Rate™ 2025 is HourlyHERS and allows you to run either Std 301-2014, Std 301-2019 or 301-2022.

What's New

  • The latest NREL engine.
  • In addition 301-2022 REM/Rate™ 2025 includes the ability to incorporate documents and photos into the building file.
  • New inputs for CFIS based on 301-2022 have been added.
  • DHW has had UEF added.
  • New eaves inputs as well as calculations for the ceiling insulation factor based on eaves impact on insulation based on 301-2022.
  • Numerous internal fixes that improve stability and allow for planned enhancements within the REM/Rate™ 2025 life cycle.

The ENERGY STAR® name and mark are registered trademarks owned by the U.S. Environmental Protection Agency (EPA).
LEED® is an acronym for Leadership in Energy and Environmental Design. LEED® and its related logo, is a registered trademark owned by the U.S. Green Building Council® and is used with permission.
HERS® is an acronym for the Home Energy Rating System, a registered trademark of the Residential Energy Services Network.
RESNET® is an acronym for Residential Energy Services Network®, Copyright 2010 Home Energy Service Pro, LLC - All Rights Reserved.
Windows® - Microsoft, Encarta, MSN, and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

About: REM/Rate™ and REM/Design™ are trademarks of REM/Rate LLC.