Certified-data shortlist

Multi-zone mini-split picks

Models whose certified outdoor-unit identifier marks a two-zone-or-larger system, ranked by heating output and efficiency.

Start with the right size class, then compare the published efficiency and performance numbers.

Illustration: home addition exterior with ductless mini-split line-set covers and outdoor condenser

Source-backed shortlist

12 picks from 35 matching models.

How these picks are ranked: Ranked by certified 47°F heating output, then HSPF2 and SEER2. Ties are broken alphabetically by brand and outdoor model. Source: official certification records only.

#1

#2

#3

#4

#5

#6

#7

#8

#9

#10

#11

#12