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Welcome to the Duct Fan Size Calculator by Astberg Ventilation Pvt Ltd.
Calculator Purpose: For informational purposes only — not a substitute for professional HVAC advice.
Accuracy: Results are estimates. Verify with a qualified engineer before installation.
Liability: Astberg Ventilation Pvt Ltd. accepts no responsibility for decisions based on these results.
Usage: For personal or internal use only. Commercial reproduction requires written authorisation.
Contact: info@astbergventilation.com | +91 8288075301
Last Updated: 29-12-2023 — Astberg Ventilation Pvt Ltd.
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