250+ iOS apps curated and reviewed
Looking for free ashrae hvac pt chart apps? 12 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 |  | $0.99 | 1.0★ (2) | No | No | Jun 2026 | |
| 2 |  | Free | 4.8★ (17K) | No | No | Oct 2026 | |
| 3 |  | Free | 4.0★ (8) | No | Yes | Aug 2026 | |
| 4 |  | Free | 4.7★ (1.6K) | No | No | Oct 2026 | |
| 5 |  | Free | 3.7★ (3) | No | No | May 2026 | |
| 6 |  | Free | 2.1★ (18) | No | No | May 2026 | |
| 7 |  | Free | — | No | Yes | Sep 2026 | |
| 8 |  | Free | 3.9★ (52) | No | No | Sep 2026 |
This app provides HVAC technicians with a comprehensive electronic pressure-temperature calculator for over 100 refrigerants. It allows for quick lookups, email sharing of data, and displays detailed refrigerant properties. The app is optimized for iOS devices and includes global city elevation data for accurate atmospheric pressure calculations.
This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
This tool provides HVAC technicians with instant access to pressure and temperature data for over 100 refrigerants. It allows users to input one value to find the other, view detailed refrigerant properties, and email comprehensive charts and data.
