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Mini-splits

27,000 Btu/h mini- and multi-splits

Rated products: 54 · model numbers: 310 · certified cooling 25,500–28,499 Btu/h

Of the 12 mini- and multi-split size classes on this site, the 27,000 Btu/h class has the second-lowest median share kept at 5°F. The Franklin MST273F32MHAA keeps the largest share of its 47°F capacity at 5°F. The Mitsubishi Electric SUZ-KA30NA lists the top HSPF2 and the Novair LEA27-MZ-LCT- 454-O the top SEER2.

010k20k30k47°F5°FBtu/hOne line per rated product, 47°F to 5°F, in its best 5°F match.Franklin MST2…class median010k20k30k47°F5°FBtu/hOne line per rated product,47°F to 5°F, best 5°F match.Frankli…median

What the class is made of

Compressor staging

variable-speed
54

Refrigerant

R-410A
22
R-454B
22
R-32
10

Most listed brands: Mitsubishi Electric (9), MDV (7), 1HVAC (4), TCL (4), Midea (3), American Standard / Mitsubishi Electric (2), BlueRidge (2), and Continental (2).

Highest in the class, rating by rating

RatingHighestValueNext value down
Kept at 5°F1HVAC ACIQ-27Z-HH-M4C (joint, with 9 more)100%shared by 10 or more
Output at 5°FMitsubishi Electric SUZ-KA30NAHZ (2022 listing)32,000 Btu/hAmerican Standard / Mitsubishi Electric NTXMPH30A132C, 28,600 Btu/h
COP at 5°FMitsubishi Electric SUZ-AA30NL3.00Innovair MOM27H2XE3A, 2.80
HSPF2Mitsubishi Electric SUZ-KA30NA11.7Mitsubishi Electric SUZ-KA30NAH, 11.5
SEER2Novair LEA27-MZ-LCT- 454-O (joint, with 1 more)26.51HVAC ES-27Z-M4C, 25
EER2Franklin MST273F32MHAA14.5Novair LEA27-MZ-LCT- 454-O, 14

Most heat kept at 5°F

EPA cold-climate designation only.

ProductKept at 5°FOutput at 5°FCOP at 5°FModel numbers
Franklin MST273F32MHAA100%28,000 Btu/h2.203
1HVAC ACIQ-27Z-HH-M4C100%27,000 Btu/h2.0038
AI Air Conditioning A4MO23-27N2-M1H100%27,000 Btu/h2.0021
Continental CDHAMBB-27-O100%27,000 Btu/h2.001
MDV M4OD31-27HFN10-M1X100%27,000 Btu/h2.002
Mitsubishi Electric MXZ-3C30NAHZ4100%28,600 Btu/h1.911
Mitsubishi Electric MXZ-3D30NLHZ100%28,600 Btu/h1.861
Hisense AMO3-27U3T25U100%27,000 Btu/h1.845
Hessaire HM27100%27,000 Btu/h1.824
Lennox MMLD030S6M-1P100%28,600 Btu/h1.812

Filter this class in the cold finder

Next to the other mini-split sizes

Share of 47°F capacity kept at 5°F: dot = class median, ring = 90th percentile.

40%60%80%100%120%6,000 Btu/h9,000 Btu/h12,000 Btu/h15,000 Btu/h18,000 Btu/h24,000 Btu/h27,000 Btu/h30,000 Btu/h36,000 Btu/h42,000 Btu/h48,000 Btu/h60,000 Btu/h40%60%80%100%120%6k9k12k15k18k24k27k30k36k42k48k60k

Certified as of October 27, 2026.