Air Curtain ROI Calculator
Estimate heating-season savings and simple payback for a commercial doorway before MIWIND model confirmation.
Project inputs
Enter doorway, schedule, climate and cost assumptions. Results are screening estimates, not guaranteed savings.
Door
Application Details
Business Operation Time
Cost
MIWIND project screening
Air Curtain ROI Summary
Screening estimate for project review. Final ROI depends on site conditions, controls and confirmed product selection.
Input assumptions
- Application
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- Measurement system
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- Mounting height
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- Door width
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- Time door open
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- Effectiveness assumption
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- Inside building temp
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- Outside temp
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- Average wind speed
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- Wind occurrence
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- Hours/day
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- Days/week
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- Heating season
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- Unit power
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- Heating cost
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- Electricity cost
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- Purchase cost
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- Installation cost
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Calculated output
- Estimated heat loss
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- Reduced heat loss
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- Heating savings/year
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- Air curtain running cost
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- Net savings/year
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- Door-linked run time
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- Simple payback
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Need a project ROI review?
Send the calculated doorway data and MIWIND can review the model path.