Heat Exchanger Duty Calc

LMTD BTU Thermal Design Tool

$4.99 · Designed for iPad. Not verified for macOS.

HeatExchanger Duty - professional calculator. Sizing a heat exchanger or verifying duty on an existing unit? Enter hot and cold side temperatures, flow rate, fluid specific heat, and specific gravity. Get instant LMTD, heat duty in BTU/hr, UA product, and thermal effectiveness for both counter-flow and parallel-flow configurations. WHAT IT CALCULATES: - Log Mean Temperature Difference (LMTD) - Heat duty in BTU per hour - UA product (overall heat transfer coefficient times area) - Thermal effectiveness (actual vs maximum possible heat transfer) FLOW CONFIGURATIONS: - Counter-flow (hot and cold fluids flow in opposite directions) - Parallel-flow (hot and cold fluids flow in the same direction) INPUTS: - Hot side inlet and outlet temperatures - Cold side inlet and outlet temperatures - Flow rate (GPM) - Fluid specific heat (Cp) - Fluid specific gravity KEY FEATURES: - Counter-flow and parallel-flow support - Instant results as you adjust inputs - Clean, field-friendly interface - Works completely offline - No account or login required Built for process engineers, mechanical designers, and plant operators who need quick heat exchanger performance calculations during design, commissioning, or troubleshooting.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

Added a More Pro Tools section to discover related field calculators.

Version 1.0.3

The developer, Shanghai Sheyuan Network Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Shanghai Sheyuan Network Technology Co., Ltd.
    Size
    1.1 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 Sheyuan Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

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

    More by Shanghai Sheyuan Network Technology Co., Ltd.