The HVAC Superheat Calculator, developed by Blue Mountain Consulting Inc, is a free calculator app for Android devices that is designed to aid HVACR technicians in their field service work. This app is a handy tool for calculating target superheat for fixed orifice expansion devices, superheat and subcooling for 26 refrigerants, airflow calculations, and psychrometric calculations.

The app is easy to use and provides detailed instructions on how to use it. Upon opening the app, users can swipe right to view the instructions. The interface is simple and straightforward, making it easy for technicians to quickly calculate the necessary values for their HVACR service work. Overall, the HVAC Superheat Calculator is a useful tool for HVACR technicians in the field.