249+ iOS apps curated and reviewed
If you already know HVAC Load Plus, this is the deeper bench. 249+ hvac load plus apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $24.99 | 2.8★ (5) | No | Yes | Oct 2026 | |
| 2 |  | $6.99 | 3.3★ (3) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.8★ (43) | No | Yes | Oct 2026 | |
| 4 |  | $34.99 | 3.0★ (3) | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.0★ (1) | No | Yes | Jun 2026 | |
| 6 |  | Free | — | No | Yes | May 2026 | |
| 7 |  | Free | 2.4★ (19) | No | No | Oct 2026 | |
| 8 |  | Free | 4.7★ (1.6K) | No | No | Nov 2026 |
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.
This app provides quick, rule-of-thumb HVAC load calculations for various building types. It estimates heating and cooling loads, as well as air flows, based on building type, area, and occupancy. Results can be emailed with an Excel spreadsheet attachment for further analysis.
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.
