Mini-splits

6,000 Btu/h mini- and multi-splits

Rated products: 27 · model numbers: 81 · certified cooling below 7,500 Btu/h

Of the 12 mini- and multi-split size classes on this site, the 6,000 Btu/h class has the highest share with the EPA cold-climate designation, the highest median HSPF2, and the fewest rated products. The AI Air Conditioning AO35-06N2-M1H keeps the largest share of its 47°F capacity at 5°F. The Carrier 37MPRAQ06AA3 the top SEER2.

05k10k47°F5°FBtu/hOne line per rated product, 47°F to 5°F, in its best 5°F match.AI Air Condit…class median05k10k47°F5°FBtu/hOne line per rated product,47°F to 5°F, best 5°F match.AI Air …median

What the class is made of

Compressor staging

variable-speed
27

Refrigerant

R-410A
9
R-454B
18

Most listed brands: Bryant (3), 1HVAC (2), AI Air Conditioning (2), Airquest (2), American Standard / Mitsubishi Electric (2), BlueRidge (2), C&H (2), and Breeze33 (1).

Highest in the class, rating by rating

RatingHighestValueNext value down
Kept at 5°FAI Air Conditioning AO35-06N2-M1H (joint, with 2 more)150%Mitsubishi Electric MUZ-FX06NLHZ, 140%
Output at 5°FAI Air Conditioning AO35-06N2-M1H (joint, with 2 more)13,500 Btu/hMitsubishi Electric MUZ-FX06NLHZ, 12,600 Btu/h
COP at 5°FMitsubishi Electric MUZ-FS06NA (joint, with 1 more)2.461HVAC ACIQ-06ZPL-HP230C, 2.40
HSPF2AI Air Conditioning AO35-06N2-M1H (joint, with 2 more)15.61HVAC ACIQ-06ZPL-HP230C, 14.8
SEER2Carrier 37MPRAQ06AA335.1AI Air Conditioning AO35-06N2-M1H, 35
EER2Mitsubishi Electric MUZ-FX06NLHZ21.45Mitsubishi Electric MUZ-FS06NA, 19.05

Most heat kept at 5°F

EPA cold-climate designation only.

ProductKept at 5°FOutput at 5°FCOP at 5°FModel numbers
AI Air Conditioning AO35-06N2-M1H150%13,500 Btu/h2.0010
Airquest D5CPRAH06AAK150%13,500 Btu/h2.001
Carrier 37MPRAQ06AA3150%13,500 Btu/h2.002
Mitsubishi Electric MUZ-FX06NLHZ140%12,600 Btu/h2.382
MDV MOX230-06HFN10-M1138%8,300 Btu/h2.401
Mitsubishi Electric MUZ-FS06NA121%10,500 Btu/h2.463
Mitsubishi Electric MUZ-FS06NAH121%10,500 Btu/h2.463
1HVAC ACIQ-06ZPL-HP230B113%8,000 Btu/h2.103
Carrier DLCSRBH06AAK113%8,000 Btu/h2.103
Mitsutomo HO-SZ06-AB-Q113%8,000 Btu/h2.001

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

At the low end of the class

  • Cooper&Hunter CH-06OLVWM-115VO: one of the 2 lowest HSPF2 figures, one of the 2 lowest shares of 47°F capacity kept at 5°F, and one of the 4 lowest SEER2 figures.
  • Cooper&Hunter CH-NY06MIA-115VO: the lowest HSPF2, the lowest share of 47°F capacity kept at 5°F, and one of the 2 lowest COP at 5°F figures.

Certified as of October 27, 2026.