238+ iOS apps curated and reviewed
Looking for free hvac calculator load lite apps? 15 of our 238+ 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 | — | No | Yes | May 2026 | |
| 2 |  | Free | 4.8★ (41) | No | Yes | Oct 2026 | |
| 3 |  | $24.99 | 2.8★ (5) | No | Yes | Aug 2026 | |
| 4 |  | $6.99 | 3.3★ (3) | No | Yes | Sep 2026 | |
| 5 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 6 |  | $9.99 | — | No | No | May 2026 | |
| 7 |  | $34.99 | 3.0★ (3) | No | Yes | Jul 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.
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.
