Useless and broken
Don’t buy it, it doesn’t work.
Waste
App doesn’t work it’s a waste of money
It is not working!
I cannot choose ref, it is crap
Blank screens
Screens blank after update.

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.
4.9
August 18, 2020
1. Updated the app launch screen per new Apple iOS guidelines. 2. Updated Google Analytics and Crashlytics
ASHRAE HVAC PT Chart is a mobile application designed to serve as an electronic pressure-temperature calculator for HVAC technicians. It provides quick access to temperature and pressure data for over 100 common refrigerants, including both bubble and dew points for azeotropic mixtures.
The application supports over 100 common HVAC refrigerants. It also includes both bubble and dew versions for azeotropic (mixture) refrigerants, ensuring comprehensive coverage for various applications.
Yes, ASHRAE HVAC PT Chart allows you to email complete PT chart lists, refrigerant properties, and your inputted values and results. This feature is unique among PT Chart apps and facilitates collaboration and record-keeping.
Yes, the app allows you to select the atmospheric pressure, which is crucial for showing the true pressure-temperature relationship, especially at high elevations. It includes a database of over 1000 cities worldwide with elevation data.
ASHRAE HVAC PT Chart displays units in both English and Metric systems. This flexibility ensures that users can work with their preferred measurement standards.
For each selected refrigerant, the app displays common properties such as oil type, GWP (Global Warming Potential), composition, critical temperature, boiling temperature, and more. This provides a comprehensive overview of refrigerant characteristics.
Yes, ASHRAE HVAC PT Chart is a universal app that works on both the iPad and iPhone. It adjusts its screen size according to the device, ensuring an optimized experience on various iOS screen sizes.
ASHRAE HVAC PT Chart is a paid application, available for $0.99. This one-time purchase grants access to all its features and data.