249+ iOS apps curated and reviewed
Whether you're new to hvac load or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (43) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.0★ (1) | No | Yes | Jun 2026 | |
| 3 |  | $9.99 | — | No | No | May 2026 | |
| 4 |  | $6.99 | 3.3★ (3) | No | Yes | Oct 2026 | |
| 5 |  | $24.99 | 2.8★ (5) | No | Yes | Oct 2026 | |
| 6 |  | $34.99 | 3.0★ (3) | No | Yes | Oct 2026 | |
| 7 |  | Free | — | No | Yes | May 2026 | |
| 8 |  | Free | 5.0★ (1) | No | Yes | Oct 2026 |
This app provides professional HVAC load calculations for contractors, offering three levels of accuracy from quick estimates to detailed Manual J calculations. It's designed for field use with an intuitive interface, offline capabilities, and professional report generation.
This tool provides fast, accurate HVAC load calculations for residential systems. It helps professionals size furnaces, air conditioners, and gas equipment correctly, avoiding guesswork and spreadsheets for confident client recommendations and more closed bids.
