HVAC PT Pro

Utilities

$6.99 · Designed for iPad. Not verified for macOS.

Fast offline pressure-temperature lookup, bubble/dew readings, system-state checks, and charging calculations for HVAC/R field work. HVAC PT Pro is a fast, offline pressure-temperature reference and charging companion built for HVAC/R technicians. PRESSURE-TEMPERATURE LOOKUP • Browse 67 refrigerants, including common A1, A2L, and A3 options • Convert temperature to saturation pressure or pressure to temperature • See separate bubble and dew readings for refrigerants with meaningful glide • Switch between psig, psia, and bar, plus Fahrenheit and Celsius SYSTEM STATE • Compare measured line temperature with saturation temperature • Identify superheated, saturated, or subcooled conditions • See clear temperature differences and high-deviation warnings CHARGING TOOLS • Calculate actual superheat and subcooling • Evaluate TXV/EEV systems against a nameplate target subcooling • Evaluate fixed-orifice systems against a manually entered manufacturer target superheat • Get clear ADD, WITHIN SPEC, or RECOVER guidance BUILT FOR FIELD WORK • Fully offline after installation • Large high-contrast readings • Glove-friendly controls • Favorites, recent refrigerants, and local preference storage • No account, advertising, analytics, or subscription HVAC PT Pro is a reference tool. Always follow equipment manufacturer specifications, applicable safety procedures, and EPA 608 requirements. Refrigerant service guidance varies by equipment and application.

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The developer, 璐 赵, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    璐 赵
    Size
    2.9 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 lu zhao
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.