2023 HotFix 2020 Late June 2025
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New Features:
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Auto Update - Checks for and installs updated REM/Rate releases
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Building Interchange File - REM/Rate can now export and import portable building files between releases
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Bug Fixes and Stability Enhancements:
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Fixed an upload crash when mandatory requirements for Energy Star is set to "None"
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Fixed a bug where the RESNET registry ID comes back empty after registering a building with RESNET
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Fixed RESNET Registration crash when certain values are used in ducts
2023 HotFix 2019 Early June 2025
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Fixed an error where some some buildings with registry ID would be cleared.
2023 HotFix 2018 May 2025
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Fixed an error where some errors with the building were not being reported.
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Fixed a problem where some reports could not be done in the same run.
2023 HotFix 2017 April 2025
CRITICAL - fixed an issue occuring on some machines where Energy Star 3.2 will fail.
The failure appears to be related to Windows security preventing REM/Rate from reading
certain files. It now ignores reading those files.
Fixed an issue with RESNET registry for airPlus.
2023 HotFix 2016 April 2025
Fixed a problem with IECC2021/IECC2018 Performance Path.
2023 HotFix 2015 March 2025
Fixed a problem with Energy Star 3.2 UA Tradeoff
Fixed an issue RESNET registry running Energy Star 3.2 check when not needed sometimes.
Added SEER2 and HSPF2 to building error checks.
Fixed an incorrect value in IECC2018 UA check.
2023 HotFix 2014 February 2025
Fixed a problem with Energy Star 1.1 MF Home
Fixed an issue with not persisting the export selections in Tools->Options.
2023 HotFix 2013 February 2025
CRITICAL FIX - In Hotfix 2012 there was a critical mapping error. Please update and do not use that version.
The mapping error was corrected here and extensive tests as well a reevaluation of RESNET Accreditation done.
Fixed a crash error caused by doing Print in the Analysis Panel.
2023 HotFix 2012 February 2025
Discovered a mapping error in heating systems. Impacts where Electric Air Distribution is treated as an ASHP.
Fixed a mapping error in roofs.
Added a fix to address random crashes of REM/Rate.
2023 HotFix 2011 December 2024
Fixed a bug in certain saves.
Did an audit of RESNET Registry code and fixed some issues with Energy Star 3.2 submissions.
2023 HotFix 2010 November 2024
Cleaned up some minor internal code.
2023 HotFix 2009 November 2024
IECC Fixed error that caused some IECC's to fail.
2023 HotFix 2008 October 2024
IECC2021 total rework from 16.3.4
2023 HotFix 2007 October 2024
IECC2021 total rework from 16.3.4
Fixed Handling a Cove heater.
Energy Star 3.2 Labels added
2023 HotFix 2006 October 2024
Fixed IEC2021 ERI report to not include the IECC2009UA test.
2023 HotFix 2005 September 2024
Detect an engine fault that was not caught in Reports and corrected the message displayed.
Altered the way failures are displayed in the UA Tradeoff. Getting further input from users.
2023 HotFix 2004 September 2024
CRITICAL FIX- corrected an error in how recirculating DHW was being analyzed. Corrects an error introduced in HotFix 2001.
Added the Energy Star 3.2 Home report to the report list. This shows both the ERI
conformance but also does the UA tradeoff analysis. If failure of the UA tradeoff
the 3 largest contributors to that failure are listed.
2023 HotFix 2003
Administrative fix for Trial Mode expiration check.
2023 HotFix 2002
CRITICAL FIX - Fixed a problem where the ventilation fan was recovery not being sent
to the engine correctly resulting in HERS/ERI being N/A with no error.
Fixed a typo where we had conditioned space to just conditioned space.
Navigation Tree - fixed so it shows up for New Building as well as stability issues addressed.
Licensing - fixed so admintator backup can alter print permissions.
Web URL's - fixed the Update link to point to the correct url in the new website.
2023 HotFix 2001
CRITICAL FIX - Fixed a bug in DHW Distribution. Incorrectly modeled recirculation of DWH.
Added features and modifications for REM/Rate™ include:
General:
- Licensing code was totally changed to provide more control for contractors over users.
It also allows for better customization of features within REM/Rate for specific uses.
The RATIK.INI files are not longer used. Each user is required to have their own user name/password.
Each authorized users install of REM/Rate is locked to the computer.
- REM/Rate 2023 has the latest NREL engine. It provides the latest checks from 301-2019.
- REM/Rate 2023 also has a new Navigation Tree allowing to better visualize the building and its
associations. The tree also shows all pertinent data entered for the building.
Clicking on an entry in the tree will bring up the associated page view. This should make moving
through the building quicker. Additionally the "hands" have been removed.
The values in the Navigation Tree are automatically updated from entered data in the pages.
Additionally, the Navigation Tree fully expanded can be saved to a file or printed by right clicking
on any node to either expand, collapse, print, or save the tree.
- Like 16.3.4 REM/Rate 2023 will continue having HotFixes applied. These will include new standards
that are suppored by the engine, any interface enhancements, RESNET registration changes and other
items that do not require either a building change or a different engine.