HVAC PT Chart is a specialized electronic pressure-temperature calculator designed for HVAC technicians and contractors. This app provides quick access to temperature and corresponding pressure values for over 100 common HVAC refrigerants, including bubble and dew versions of azeotropic refrigerants. Noteworthy features include the ability to email complete PT chart lists, refrigerant properties, and user-inputted values, making it a versatile tool for HVAC professionals.

Compatible with both iPhone and iPad, HVAC PT Chart adjusts its interface based on the device screen size, ensuring optimal user experience across Apple mobile devices. The app is optimized for iOS 16 and offers a comprehensive database of 100+ refrigerants. Users can input temperature to obtain corresponding pressure readings and vice versa, with the option to use a slider control for precise value selection.