This is the page that allows you to download and install the AkWarm 2
Home Energy Rating software, owned by the Alaska Housing Finance
Corporation. Analysis North is on contract to the Cold Climate Housing
Research Center to upgrade and maintain AkWarm.
More information concerning the software can be
Here is a Detailed List of the Changes implemented in each of the AkWarm 2
This 220.127.116.11 version of AkWarm includes numerous changes to the PUR-101 report, improvements to the Design Heat Load calculation, and the associated 12/1/2014 Library includes more accurate heating system efficiencies.
Download AkWarm 18.104.22.168 (17 MB)
This program contains both the AkWarm Residential Rating software and the AkWarm
Commercial Audit software.
Software Requirements and Installation
- You must have Microsoft Word version 2003, 2007, or later to view
and print out the Improvement Options Report.
- Your operating system must be Windows XP, Windows Vista, Windows 7,
or Windows 8.
If you are using Windows XP, your installation must have at least
Service Pack 2 installed. To install the most recent Windows XP
Service pack, go to the
Windows XP Service Pack 3 web page.
- Click the button above to download the setup
program for the AkWarm 2 software. After clicking the button you may
be able to directly "Run" the setup program or you may be forced to
save it to your hard drive. If you save it to the hard drive, you
should then "Open" the saved file or double-click it to start the
- For some computers, the installer will first install the Microsoft
.Net Framework 3.5 Service Pack 1 (SP1), which could take as long as
40 minutes on slow Internet connections. All installations of future
releases of AkWarm on your same computer will not require this
lengthy process and will install quickly.
- After installing the software, you should have an icon on your
desktop to run the software or you can find the program in the
"AkWarm" program group under the start menu.
Here is a Link to a Video that explains how to set up Usage
Schedules for equipment and building spaces
in the Commercial version of AkWarm.
Old AkWarm 1.03 Release (prior to 2008)
Please see the What's New in AkWarm 2
page for some of the new features present in the current AkWarm 2 release
compared to the original (prior to 2008) AkWarm 1.03 release. Here is the link
to download the older AkWarm 1.03d release.
Please report any comments regarding the software to Scott Waterman at