⚡ VSD Rotary Screw Compressors (Saving 25-35% Electrical kWh at Part-Load)

VSD Air Compressor Energy Savings Calculator

Calculate kilowatt-hour electrical power savings from replacing fixed-speed load/unload rotary screw air compressors with variable speed drive (VSD / VFD) units under CAGI data sheets: calculate energy wasted during unloader blowdown cycles (saving 25% to 35% of total compressor electrical power by matching motor RPM precisely to air demand), and retrofit ROI.

1. Project & Operating Inputs

Compressor Motor Rating (Horsepower - HP e.g. 100 HP Rotary Screw)

Annual Operating Hours (Hours / Year e.g. 6,500 Hours / Year)

Turnkey VSD Compressor Replacement CapEx ($ e.g. $58,500)

Commercial Electricity Rate ($ / kWh e.g. $0.145 / kWh)

2. Financial Breakdown & Yield

VSD ROTARY SCREW SAVINGS

5-Year Electricity Bill Dollar Savings

VSD Compressor Upgrade ROI

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost