Room area is only a starting point. Adjust for sun exposure and occupancy, then have an HVAC professional confirm the selection.
Rough cooling capacity
1.38 ton
Use this as a shortlisting estimate, then confirm heat load and equipment selection with an HVAC professional.
Room height, insulation, glazing, climate and floor level can materially change the result.
This is not a substitute for a formal heat-load calculation.
Indicative tonnage = area ÷ area-per-ton × sun × occupancy factors.
The result updates in your browser as you change an input. It is a planning estimate, so compare it with real bills, product specifications and a qualified professional's assessment.
Read the full methodology