Available HVAC Engineering Calculators
Select an interactive tool below to run field calculations built on strict ASHRAE standards, pressure cascades, and thermodynamic principles.
Airlock Leakage Flow Calculator
Calculate exfiltration airflow through door clearances using the ASHRAE sharp-edge orifice derivation to verify cleanroom containment.
Chilled Water Buffer Tank Sizer
Determine accurate fluid volumes for primary-secondary loops to eliminate short-cycling and manage temperature spikes under rapid load variations.
HVAC CAPEX & OPEX Estimator
Generate comprehensive baseline costs for plant equipment sizing, comparing full fresh air configurations against re-circulation systems.