TheHVACLab AHU Performance Tool

TheHVACLab Psychrometric Tool

Air System Analysis Platform

Inputs

Dry Bulb (°C) Relative Humidity (%)

Air Properties

Wet Bulb (°C)

—

Dew Point (°C)

—

RH (%)

—

Humidity Ratio (kg/kg of dry air)

—

Enthalpy (kJ/kg of dry air)

—

Specific Volume (m³/kg of dry air)

—

Density (kg/m³ of moist air)

—

Operating Conditions

Airflow (CFM) Return Air Dry Bulb (°C) Return Air Relative Humidity (%) Supply Air Dry Bulb (°C) Supply Air Relative Humidity (%)

Thermal Load Summary

Total Load (kW)

—

Total Load (TR)

—

SHR

—

Sensible Load (kW)

—

Latent Load (kW)

—

Condensate (kg/hr)

—

ΔT (°C)

—

Δh (kJ/kg of dry air)

—

Air State Conditions

Return Air

WB (°C): —

DP (°C): —

W (kg/kg of dry air): —

h (kJ/kg of dry air): —

Supply Air

WB (°C): —

DP (°C): —

W (kg/kg of dry air): —

h (kJ/kg of dry air): —

Ventilation & Mixing Inputs

Total Airflow (CFM) Industry Presets Fresh Air (%) Return Air

Fresh Air

Mixed Air Condition Results

RA (CFM)

—

FA (CFM)

—

DB (°C)

—

h (kJ/kg of dry air)

—

WB (°C)

—

DP (°C)

—

RH (%)

—

W (kg/kg of dry air)

—

Δh Mixing (kJ/kg of dry air)

—