HVAC QuickCalc

Content rating
Everyone
5+
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Content rating
Everyone
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About this app

`HVAC QuickCalc is a practical HVAC calculation and field-reference app built for engineers, contractors, technicians, sales professionals, commissioning teams, and facility staff.

Use quick calculators for common HVAC tasks including airflow, duct sizing, velocity pressure, K-factor airflow, fan laws, pipe velocity, hydronic BTU, pump power, cooling tons, mixed-air temperature, ventilation, energy cost, ROI, and more.
Features include:
• US and Metric unit support
• Fast unit conversion inside calculators
• Favorites and recently used calculators
• Airflow and duct calculations
• Fan system calculations
• Hydronic calculations
• Heating and cooling calculations
• Ventilation calculations
• Energy and financial calculations
• Manufacturer-specific installation reference tools
• Works offline after installation

HVAC QuickCalc is designed to make everyday HVAC calculations faster and easier in the field or at your desk.

Important: HVAC QuickCalc is intended for estimating, field-reference, and educational use. Always verify results, equipment data, manufacturer requirements, project specifications, and applicable codes and standards before using results for design, installation, commissioning, purchasing, or other professional decisions.`
Fast HVAC calculators for airflow, hydronics, ventilation, energy, and field use
Updated on
Sep 23, 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
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  • No data collected
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What’s new

Initial release of HVAC QuickCalc with practical HVAC calculators for airflow, hydronics, ventilation, fan systems, energy, and field reference.
Content rating
Everyone
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App support

About the developer
JANUS LABS LLC
hvacquickcalc@gmail.com
939 W Washington Blvd APT 1008 Chicago, IL 60607-2264 United States
+1 872-228-6488