Office AC Tonnage
Calculator
Get a precise cassette AC sizing recommendation for your office. Accounts for layout type, computer heat load, occupancy, floor level, and ceiling height — calibrated for Indian commercial buildings.
Rated 4.8 out of 5 by 2,340+ users — India's most trusted AC bill calculator
8+ years practical experience in AC / Plant Installation, Maintenance and Repair. HVAC Expert at S.R Enterprise under the authorized dealership of Hitachi. All data is verified against 2026 BEE Tariff Orders and manufacturer specifications.
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Enter your office details and click Calculate to get recommendations.
How This Calculation Works
Commercial HVAC calculations use verified BEE 2026 data and industry-standard formulas.
Select Layout
Open plan, cabin, co-working, or call center.
Enter Dimensions
Office area and ceiling height.
Set Floor Level
Ground, mid, or top floor heat exposure.
Add People & Computers
Occupants and equipment heat loads.
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