ClutchCalcs

Home

Mini-Split Sizing

Room area plus climate gives BTU capacity and head count.

Total BTU/hr

Tons
Heads (<=12k each)
Outdoor unit class

FAQ

How big a head per room? +
9k to 12k BTU handles most bedrooms. Living rooms may need 18k or more.
Why oversizing is bad? +
Mini-splits modulate. An oversized unit short cycles and loses efficiency and dehumidification.