Refrigerant Charge Calculator
HVACR Check PT Chart Superheat
About
This tool helps HVAC and refrigeration technicians quickly determine the correct refrigerant charge for various systems. It provides instant verdicts like 'Add,' 'Hold,' or 'Remove' based on superheat or subcooling measurements, supporting numerous refrigerants and unit conversions. The app functions offline and allows for saving job details and generating PDF reports.
What's New in Refrigerant Charge Calculator
1.0
April 27, 2026
Subscription plans
premium
Premium Annually premium subscription
Developer apps
FAQ
What is the Refrigerant Charge Calculator used for?
Refrigerant Charge Calculator is designed for HVAC and refrigeration technicians to quickly determine the correct refrigerant charge for systems. It provides a clear verdict (Add, Hold, or Remove) based on superheat or subcooling measurements, supporting a wide range of refrigerants and unit preferences.
Does Refrigerant Charge Calculator work offline?
Yes, Refrigerant Charge Calculator is fully offline. Calculations run on the device, making it usable in areas without a signal, such as attics, basements, or mechanical rooms.
What refrigerants does Refrigerant Charge Calculator support?
Refrigerant Charge Calculator supports 86 refrigerants, including A2L low-GWP refrigerants, HFC workhorses, legacy blends, and natural refrigerants like propane and CO₂. A full list is available within the app.
Can I save job details with Refrigerant Charge Calculator?
Yes, you can save jobs with Refrigerant Charge Calculator. It allows you to tag jobs with address and GPS coordinates from the map, and you can generate one-tap PDF job sheets to email to clients or managers.
What are the unit conversion options in Refrigerant Charge Calculator?
Refrigerant Charge Calculator offers unit toggles for temperature (°F / °C), pressure (psig / bar), and line-set measurements (imperial / metric). This ensures you can work with the units you are most familiar with.
How does Refrigerant Charge Calculator handle altitude corrections?
Refrigerant Charge Calculator can automatically detect your location to correct pressures for altitude, or you can manually set the elevation. This ensures accurate readings regardless of your job site's height.
What is the pricing for Refrigerant Charge Calculator?
Refrigerant Charge Calculator is free to download and use. It also offers subscription plans, with a premium tier available for $4.99 per month or $29.99 per year, including a 7-day free trial.
What is the update frequency for Refrigerant Charge Calculator?
Refrigerant Charge Calculator was last updated on April 27, 2026, with version 1.0. Based on this release date, it appears to be a newly launched application.