248+ iOS apps curated and reviewed
Out of 248+ hvac load calculator csa f280 apps on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (41) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.0★ (1) | No | Yes | Jun 2026 | |
| 3 |  | $24.99 | 2.8★ (5) | No | Yes | Aug 2026 | |
| 4 |  | $34.99 | 3.0★ (3) | No | Yes | Jul 2026 | |
| 5 |  | Free | — | No | Yes | May 2026 | |
| 6 |  | $6.99 | 3.3★ (3) | No | Yes | Sep 2026 | |
| 7 |  | $9.99 | — | No | No | May 2026 | |
| 8 |  | Free | — | 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.
Perform detailed heating and cooling load calculations for buildings in the field using your iPhone. Access a vast weather database and construction data to generate comprehensive reports that can be emailed or exported to spreadsheets.
