250+ iOS apps curated and reviewed
Looking for free hvac design apps? 17 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 | 4.4★ (65) | No | No | Jul 2026 | |
| 2 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 3 |  | $6.99 | — | No | No | Aug 2026 | |
| 4 |  | Free | 4.8★ (4.5K) | Yes | No | Sep 2026 | |
| 5 |  | $9.99 | — | No | No | Jun 2026 | |
| 6 |  | Free | — | No | Yes | May 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 |
This app helps HVAC installers create precise ductwork transitions in the field using augmented reality. It streamlines the process of measuring, designing, and visualizing complex ductwork before cutting any materials, saving time and reducing errors.
This tool assists HVAC engineers with design checks and quick calculations. It offers various tools for ducting friction loss, pipe sizing, ventilation, and heat load estimations, providing instructions and formulas for each calculation.
