Tonnage Calculator — Free Online Tool
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Tonnage Calculator

Calculate air conditioning cooling capacity in tons and BTU/hr

HVAC Sizing Standard: AC cooling tonnage is estimated using room area and volume. $1\text{ Ton}$ of refrigeration equals $12,000\text{ BTU/hr}$ of cooling capacity.
Room Dimensions & Load Factors

Calculation Results

⚠️ Actual HVAC load requirements depend on window sizing, local climate, occupant count, and appliance heat loads. Always consult a licensed HVAC professional for precise Manual J load calculations.

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