HVAC PT Chart Toolkit
Fault Codes & Work Orders
$3.99 · Designed for iPad. Not verified for macOS.
Offline HVAC field tools for refrigerant PT charts, superheat/subcooling, fault code lookup, diagnosis checklists, quotes, signatures and PDF work orders. No login.
HVAC PT Chart Toolkit is an offline field workspace for technicians working on air conditioners, refrigeration systems, cold rooms, chillers and freezers.
It is designed for paid, professional use: no account, no ads, no subscription and no server connection.
Core tools:
• Refrigerant PT charts for common refrigerants
• Pressure to saturation temperature and temperature to pressure lookup
• Superheat and subcooling calculators
• Unit conversion for pressure, temperature, length, mass/charge, current/power, capacitance/resistance and vacuum/pressure
• Offline fault code lookup
• Symptom-based diagnostic checklists
• Repair records, quotes, customer signatures and photos
• PDF and image work order export
• English and Simplified Chinese interface
• Light, dark and system appearance modes
Field workflow:
1. Search a refrigerant, fault code or tool
2. Calculate PT, superheat or subcooling
3. Follow a repair checklist
4. Add readings, photos, parts and labor
5. Capture a signature
6. Export a PDF or image repair order
This app does not attempt to automatically diagnose equipment. Results are for field reference only and should be checked against the equipment nameplate, manufacturer documentation and actual site conditions. Electrical, high-pressure and flammable refrigerant work should be performed by qualified technicians following applicable safety rules.
All data is stored locally on your device. Repair records are not uploaded. The app can be used in airplane mode.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, 润强 何, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 润强 何
- Size
- 3.4 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- Copyright
- © HVACPTChartToolkit Inc.
