AHU Retrofit
AHU EC Fan Retrofit ROI Calculator
Enter your AHU fan data and electricity price to estimate annual savings from an EC fan upgrade. Add a retrofit cost to see the payback period and 3- and 5-year net savings.
Project Scale
Use measured running power, not nameplate rating
Operating & Costs
Leave blank to see annual savings only
Estimated annual saving
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Current annual energy cost
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Estimated EC annual energy cost
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Total fans
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Total installed power
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Annual energy use
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Payback Timeline
Break-even in —
Now
5-year horizon
3-year net savings
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5-year net savings
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Control note
Saving rate
This is a preliminary estimate only. Actual savings depend on fan loading, operating profile and control strategy. Final project figures need engineering confirmation before procurement.
Ready to move forward? Check replacement feasibility for your existing fans before confirming the retrofit scope.