About ASHRAE HVAC Duct Sizer
The ASHRAE HVAC Duct Sizer application allows you to quickly size one HVAC duct run or a range of duct sizes using the constant friction method. Think of this application as a digital version of the classic Trane...
The ASHRAE HVAC Duct Sizer application allows you to quickly size one HVAC duct run or a range of duct sizes using the constant friction method. Think of this application as a digital version of the classic Trane Ductulator.
In the "Size by Airflow" mode, you can specify the total airflow in CFM (or L/s), the aspect ratio and one of either the velocity of air or the friction loss per 100 feet (30 meters). The results include both the exact and rounded height and width (or diameter) dimensions and the calculated velocity and friction loss.
In the "Size by Dimensions" mode, you can analyze an existing duct system. There are options to input the existing duct dimensions and one of either the airflow or velocity values to derive the calculated duct friction loss.
In the "Range of Duct Sizes" mode, you can specify minimum and maximum friction loss and airflow values to display a range of duct sizes that fall in between the friction loss bounds.
You can specify additional parameters such as the duct shape (rectangular, round, or oval), the air temperature and the air pressure. You can also choose to display values in either English (IP) or Metric (SI) units.
This application uses slider controls that allow you to quickly increment or decrement the input values and immediately observe the calculated results.
This app now works on your iPhone and iPad and adjusts its screen size accordingly.
Finally, you can email all of the inputs and results from all 3 input modes to perform further analysis using your desktop computer. The email includes HTML text and a .CSV attachment that can be imported into any popular spreadsheet.
The ASHRAE HVAC Duct Sizer application was designed by Carmel Software Corporation for ASHRAE.
Feb 17, 2023
Version 6.2
Updated help and images
Previous Versions
Here you can find the changelog of ASHRAE HVAC Duct Sizer since it was posted on our website on 2020-06-07 00:18:09.
The latest version is 6.2 and it was updated on 2024-04-22 14:59:53. See below the changes in each version.
ASHRAE HVAC Duct Sizer version 6.2
Updated At: 2023-02-17
Changes: Feb 17, 2023
Version 6.2
Updated help and images
ASHRAE HVAC Duct Sizer version 5.6
Updated At: 2021-10-10
Changes: Oct 10, 2021 Version 5.6
1. Optimized for iOS 15
2. Fixed issue with duct shape selector control text being cutoff
3. Updated help
ASHRAE HVAC Duct Sizer version 5.5
Updated At: 2020-08-17
Changes: Aug 17, 2020 Version 5.5
1. Updated the app launch screen per new Apple iOS guidelines.
2. Updated Google Analytics and Crashlytics
ASHRAE HVAC Duct Sizer version 5.0
Updated At: 2019-12-18
Changes: Dec 18, 2019 Version 5.0
1. Fixed the "negative sign" issue that occurs in iOS 13
2. Fixed issue with not displaying properly in iOS 13 "dark mode"
3. Optimized the user interface for iOS 13 and iPhone X and 11 screens
4. Updated help
ASHRAE HVAC Duct Sizer version 5.5
Updated At: 1970-01-01
Changes: 2020年8月17日 Version 5.5
1. Updated the app launch screen per new Apple iOS guidelines.
2. Updated Google Analytics and Crashlytics
Disclaimer
Official App Store Link
We do not host ASHRAE HVAC Duct Sizer on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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