SD P-T Calculator

SD P-T Calculator is an offline field reference for HVAC/R technicians.

Quickly calculate pressure-temperature relationships, superheat, and subcooling using embedded refrigerant data. Switch between Fahrenheit and Celsius and between PSIG and bar(g).

Features:
- Pressure-to-temperature and temperature-to-pressure calculations
- Bubble and dew values for blended refrigerants
- Superheat and subcooling calculators
- Expandable P-T chart and embedded source data
- Offline operation with no account, ads, analytics, or tracking

This app is a reference tool. Always verify critical service decisions against manufacturer data, equipment documentation, and applicable safety requirements.