247+ iOS apps curated and reviewed
With an average user rating of 3.5★, the ashrae hvac duct sizer category is one of the App Store's strongest. Browse all 247+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $5.99 | — | No | No | Sep 2026 | |
| 2 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 3 |  | $4.99 was $5.99 | 3.1★ (9) | No | Yes | Sep 2026 | |
| 4 |  | Free | — | No | No | Jul 2026 | |
| 5 |  | $3.99 | — | — | No | Aug 2026 | |
| 6 |  | $13.99 | 3.0★ (1) | No | No | Jun 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 2.0★ (1) | No | No | May 2026 |
Calculate HVAC duct sizes using the constant friction method. Input airflow or dimensions to determine duct sizes, velocity, and friction loss. Supports rectangular, round, and oval ducts with adjustable air temperature and pressure.
This tool simplifies HVAC duct sizing for professionals. It quickly calculates dimensions for rectangular, round, and oval ducts based on airflow, friction loss, and velocity, ensuring optimal ventilation system performance.
This app provides quick and simple HVAC duct sizing analysis. It allows users to calculate duct dimensions based on airflow or existing dimensions, and can also determine a range of duct sizes. Results can be emailed for further analysis.
