For installers & pros
Advanced heat-load estimator
A fuller, component-based ballpark for a space: it breaks the load into fabric, people, equipment and lighting, then suggests a standard unit size. A starting point, not an engineered survey.
Heat-load estimate
A component-based ballpark for a space — fabric, people, equipment and lighting.
m²
Building fabric
Solar gain
people
W
Lighting
Enter a floor area to see an estimated cooling load.
A component estimate for a ballpark only — not a substitute for a full heat-load survey. Commercial projects need an engineered survey.