Electric Cost (/kWh)

Design Enthalpy (BTU/lb.)

Fan CFM

Fan Static Pressure (inWC)

OA %

CHW System ∆T (degF)

Total System Head (ft)

Propylene Glycol %

System Size (Tons)

Chilled Water Flow (GPM)

Glycol Water Flow (GPM)

Annual Ton Hours

Annual Cooling Hours

Delta Annual Energy Cost

Savings =

AHU / Delta Coil Cost

Energy Savings

Glycol + Maintenance Cost (/AHU/yr)

Total Annual Savings

Simple Payback (Years)