Updated September 3, 2024
https://tinyurl.com/Duct-Diam-in-inches-formula
Ductulator (not ours, please check work with formula above): www.oceanhvac.com/ductulator/
(Note: After installation, the Kwik Model 3D user interface can be easily updated without downloading the entire program again. See “Newest Release Version of Kwik Model 3DUI” below.)
This is the most recent installer for the full Kwik Model with EnergyGauge Loads for new installs or re-installs (can be activated with current license key):
- Download the installer
- Run the executable launcher (.exe file)
- If prompted, click “Repair”.
- Kwikmodel.exe should appear in C: > Program Files > Kwik Model
- Do not remove exe file from folder. Right click and either click “pin to taskbar” or “create shortcut” and drag new shortcut wherever you want, such as the desktop. If you don’t update shortcut, it will try to run the previous version.
KwikModel Eagle Version 1-2-255-18
Updated 1/23/2026
(-Note: If you haven’t done so since late 2021, be sure to download and run the newest version of the Kwik Model with EnergyGauge Loads installer from the section above)
(Note 2: some versions of KwikModel had one of the floor types (R19 over unconditioned) set to the incorrect R value, please check this value in the libraries tab in
You will either need to purchase a license or get a trial license to use this.
Get a trial version license here:https://kwikmodel.com/free-30-day-trial-version/
Install/update instructions: https://kwikmodel.com/km3d-zip-file-installation/
You will either need to purchase a license or get a trial license to use this.
Get the a trial license here: https://kwikmodel.com/product/kwik-model-kestrel-trial/
Install/update instructions: https://kwikmodel.com/km3d-zip-file-installation/
Test out our newest version before it officially launches. This installer includes the latest KwikModel Eagle and EnergyGauge loads versions, and should immediately launch KwikModel when you finish installing it rather than you having to look for it in your program files folder or desktop.
You will either need to purchase a license or get a trial license to use this.
Get a trial version license here:https://kwikmodel.com/free-30-day-trial-version/