HeatFlow Pro max

HeatFlow Pro is a professional HVAC engineering calculator for heating, ventilation, and air conditioning professionals. Calculate heat loads, duct sizing, R-values, and psychrometric properties. Key Features: • Heat Load – BTU/hr and tonnage calculations for spaces • Duct Sizing – Round and rectangular duct calculations with velocity • R-Value – Building insulation thermal resistance analysis • Psychrometrics – Moist air properties, enthalpy, and humidity calculations Essential HVAC tools for engineers and contractors.