Air Conditioner Size Calculator
Get an instant estimate of the right air conditioner size for your space. Our calculator provides a quick kW range based on your room dimensions, then offers a comprehensive report tailored to your specific conditions for the most accurate recommendation.
Quick Estimate
Enter your room dimensions to get started
Estimated Cooling Capacity
– kW
Get a Comprehensive Report
Tell us more about your space for a detailed, personalised recommendation
Frequently Asked Questions
Common questions about air conditioner sizing and selection
The quick estimate provides a general range based on room volume. For a more accurate recommendation that considers factors like insulation, sun exposure, and roof type, complete the comprehensive report form.
The quick estimate provides a general range based on room volume. For a more accurate recommendation that considers factors like insulation, sun exposure, and roof type, complete the comprehensive report form.
Windows facing west receive intense afternoon sun, which increases cooling requirements. North-facing windows in the southern hemisphere receive more direct sun throughout the day, while south-facing windows receive less.
An undersized unit will struggle to cool the space efficiently and run constantly, increasing energy costs. An oversized unit will cool too quickly without properly dehumidifying, creating an uncomfortable, clammy environment.
Good ceiling insulation reduces heat transfer from the roof space, significantly lowering cooling requirements. Uninsulated ceilings can increase your cooling needs by 30-50%, especially with metal roofs.
Size for your current needs, not hypothetical future scenarios. If you’re planning room modifications or extensions, mention this to our consultant when they contact you for the most appropriate recommendation.
