HVAC Charge ProMUEN Apps / Support
Help for the work ahead.
Questions about a calculation, your workflow, or a purchase? Contact the HVAC Charge Pro support team.
P-T Data & Methodology — data sources, calculation methods and reference comparisons.
App usage
Tell us which tool or workflow you’re using and what you’re trying to do. Include the screen name and the step where you need help.
Purchases & subscriptions
Describe the purchase, restore, or access issue. Include the subscription option and any error message, if relevant.
Apple handles billing, renewal, and cancellation. Manage your subscription in your device’s Settings → your name → Subscriptions. Refund requests are handled by Apple.
Apple purchase support ↗Report a calculation issue
Include the refrigerant, mode, units, pressure, measured line temperature, and the result you expected. Check your inputs and equipment documentation first.
If available, use the app’s Report Calculation Issue action to choose whether to share diagnostic details.
Technical support
Include your device model, iOS version, app version, steps to reproduce the problem, and any visible error text.
A cropped screenshot may help, provided it contains no sensitive customer or job information.
Share only what’s needed.
Do not send passwords, authentication secrets, payment card information, sensitive customer or job information, or unnecessary personal details. Remove identifying information from examples and screenshots.
HVAC Charge Pro is a calculation and reference aid. A result alone does not determine whether refrigerant should be added or removed. Always follow manufacturer documentation and approved service procedures.
Engineering Disclaimer