Last Updated by Gastite Products LLC on 2025-07-26
1. Simply select the Thermaflex product you’re installing, as well as the friction loss and volume present in the system – the app will calculate the velocity of the system and display the appropriate size Thermaflex duct for your application.
2. This app allows HVAC engineers to determine the smallest size Thermaflex duct recommended for the installation at hand, based on the project’s specific volume and friction loss.
3. This calculator uses the applicable test data in consideration of the acceptable practice of duct installation as specified in the Air Diffusion Council’s “Flexible Performance & Installation Standards” green book.
4. Thermaflex is literally at your fingertips with this convenient and easy-to-use application for the iPhone.
5. Liked Thermaflex Duct Calculator? here are 5 Utilities apps like Duct Calculator Elite; Duct Calculator; Duct Sizer; HVAC Duct Sizer; Duct Calculator S&P;
GET Compatible PC App
| App | Download | Rating | Maker |
|---|---|---|---|
 Thermaflex Duct Calculator |
Get App ↲ | 1 2.00 |
Gastite Products LLC |
Or follow the guide below to use on PC:
Select Windows version:
Install Thermaflex Duct Calculator app on your Windows in 4 steps below:
Download a Compatible APK for PC
| Download | Developer | Rating | Current version |
|---|---|---|---|
| Get APK for PC → | Gastite Products LLC | 2.00 | 1.2 |
Get Thermaflex Duct Calculator on Apple macOS
| Download | Developer | Reviews | Rating |
|---|---|---|---|
| Get Free on Mac | Gastite Products LLC | 1 | 2.00 |
Download on Android: Download Android
PC Apps 
