250+ iOS apps curated and reviewed
Looking for free duct calculator for hvac installations apps? 18 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (32) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.7★ (3) | No | Yes | Sep 2026 | |
| 3 |  | $19.99 | 4.5★ (189) | No | No | Sep 2026 | |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | 1.9★ (20) | No | Yes | May 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | $3.99 | 4.7★ (317) | No | No | Sep 2026 |
This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.
This professional HVAC utility assists engineers and technicians with precise duct sizing and airflow calculations for ventilation systems. It simplifies essential calculations for both design and installation work, improving on-site efficiency.
This app allows HVAC professionals to quickly and accurately size new ducts or calculate the performance of existing ones. It supports both round and rectangular ductwork, offering precise calculations through direct entry or intuitive sliders. The tool provides live updates and outputs key performance metrics.
