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Everyone
10+
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Content rating
Everyone
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About this app

KaraHVAC is the Ultimate Professional Toolkit Designed Specifically for HVAC Engineers, Contractors, and Mechanical Designers. Simplify your workflow and generate accurate calculations for heating, cooling, and air properties directly from your mobile device.

Whether you are in the office or on the field, KaraHVAC provides the essential tools you need to design efficient mechanical systems with confidence.

Key Features: • Load Calculations: Accurately calculate heating and cooling loads for residential and commercial spaces. • Psychrometric Analysis: Easily determine air properties including humidity, enthalpy, and specific volume. • Duct Sizing & Design: Optimize ductwork dimensions for efficient airflow and minimal friction loss. • Unit Conversion: A comprehensive built-in converter tailored specifically for mechanical and thermodynamics units. • Professional PDF Reports: Generate clean, standardized PDF reports of your calculations to share with clients or team members instantly. • Dark Mode Support: A beautiful, responsive interface that adapts to your preferred theme.

Built with speed and precision in mind, KaraHVAC eliminates the need for manual charts and complex spreadsheets. It’s the perfect pocket companion for any mechanical engineering professional.
Professional HVAC Engineering Tools for Precise Heating and Cooling Load Design
Updated on
Sep 9, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

New release of KaraHVAC! • Comprehensive heating and cooling load calculations • Psychrometric properties and air state analysis • Advanced duct sizing tools • Engineering unit converter • Professional PDF report generation • Full Dark Mode support