What is HVAC Formulator?
HVAC Formulator is a mobile application designed for HVAC professionals, offering over 900 formulas and calculations for system design and load calculations. It supports both US and Metric units and includes numerous conversion tools.
Does HVAC Formulator work offline?
Yes, HVAC Formulator is designed to work offline, meaning you do not need an internet connection to access its formulas, calculations, and unit conversions. This makes it ideal for use in the field.
What types of calculations does HVAC Formulator include?
HVAC Formulator covers 23 calculator categories, including cooling load, fan laws, duct sizing, ventilation rate, electrical calculations, gas laws, psychrometrics, hydronic formulas, and many more essential for HVAC work.
Can I switch between US and Metric units in HVAC Formulator?
Yes, HVAC Formulator allows you to switch instantly between US (Imperial) and Metric (SI) units. Input labels and conversions update automatically, displaying results in both systems.
How many unit conversions are available in HVAC Formulator?
The app offers over 460 unit conversions across 16 categories, including metric, pressures, BTU, linear, square, cubic, liquid measures, weights, flows, power, and HVAC-specific conversions.
What is the price of HVAC Formulator?
HVAC Formulator is a paid application, available for $4.99. This one-time purchase grants access to all its features and formulas.
What devices is HVAC Formulator compatible with?
HVAC Formulator is supported on both iPhone and iPad devices. It is designed for iOS users.
How often is HVAC Formulator updated?
The latest version of HVAC Formulator is 3.04, which was last updated on March 22, 2026. Updates typically include new features, bug fixes, and formula refinements.