# Commercial BTU Calculator: Cooling Load in Tons | Toronto

> Free commercial cooling load calculator for Toronto buildings. Estimate BTU/h and tons by space type, area, glazing and occupancy before sizing an RTU or split system.

URL: https://torontocommercialhvac.ca/tools/btu-calculator/

Free Calculator

# Commercial Cooling Load Calculator

Estimate the cooling capacity in BTU/h and tons for an office, retail, restaurant or industrial space before you size a rooftop unit or split system.

Area UnitSquare metres (m2)Square feet (sq ft)

Conditioned Floor Area

Floor area served by the unit or zone

Space TypeOffice / open planRetail / showroomRestaurant dining roomCommercial kitchenClinic / healthcareWarehouse / industrialServer / electrical room

Ceiling HeightUp to 3.0 m (10 ft)3.0 to 4.5 m (10 to 15 ft)Over 4.5 m (15 ft)

Glazing / Sun ExposureLow: few windows, shadedModerate: typical glazingHigh: curtain wall or west-facing

Peak Occupants

Add 600 BTU/h per person

Rule-of-thumb estimate for budgeting only. Final equipment selection needs a full load calculation covering envelope, ventilation air, lighting and process loads.

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24-Hour Commercial Emergency Dispatch

## Need a Licensed Technician?

Call dispatch for a 2-4 hour emergency response, or send the building details for a written quote.

Call (437) 524-2997

[tel:+14375242997 →](tel:+14375242997)

 

Request Service

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-   TSSA G1+G2, ESA, 313A
-   Written findings every visit
-   90-day / 2-year labour warranty