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Ranked by EER2 only: non-ducted systems, by size

Cooling efficiency at a 95°F design day. This board ranks by that one rating; it is not the overall cold-climate verdict, which is the cold-climate board. Inside one size and duct type the raw ratings are comparable, so these boards rank by the rating itself, more than one model per manufacturer when they earn it. Only manufacturers with a QMID (IRS Qualified Manufacturer ID) on file are ranked.

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LeaderboardsData as of updated · sources

Non-ducted, up to 1.5 tons: ranked by EER2 only

Non-ducted, up to 1.5 tons: ranked by EER2. Every model here is the same size and duct type, so the raw values are comparable. Ties go to the lower AHRI reference number; every number in a row is from that row’s certification.
# · Outdoor modelManufacturerSize · typeEER2COP@5°FCap. 5/47HSPF2SEER2Btu/h @5°FMeetsCombosAHRI ref.
1MUZ-FX06NLHZ***Mitsubishi Electric · M-Serieswith ductless indoor unit MSZ-FX06NLAlso listed as MUZ-FX06NLHZ2Mitsubishi Electric0.5 tons6,000 Btu/h · Non-ducted21.52.38140%13.035.012,600CEE 25CEE 26CEE AdvXcelDOEES CC1215611124
2AOUH09KTAP1FUJITSU · AIRSTAGE H-Serieswith ductless indoor unit ASUH09KTASFujitsu1 ton9,000 Btu/h · Non-ducted19.12.48142%14.033.517,000CEE 25CEE 26CEE AdvXcelDOEES CC4216018255
3AOUH09KZAH1FUJITSU · AIRSTAGE H-Serieswith ductless indoor unit ASUH09KZASFujitsu1 ton9,000 Btu/h · Non-ducted18.82.26128%13.333.115,400CEE 25CEE 26CEE AdvXcelDOEES CC2214888800
4MUZ-FX09NLHZ***Mitsubishi Electric · M-Serieswith ductless indoor unit MSZ-FX09NLAlso listed as MUZ-FX09NLHZ2Mitsubishi Electric1 ton9,000 Btu/h · Non-ducted18.42.20123%13.333.114,700CEE 25CEE 26CEE AdvXcelDOEES CC1215611125
5AS-09UW3TBW00HISENSE · Hi-Prowith ductless indoor unit AS-09UW3TBW**00Also listed as AO-09U3T25P, AO-09U3T26P2Hisense1 ton9,000 Btu/h · Non-ducted18.42.25100%11.832.012,200CEE 25CEE 26CEE AdvXcelDOEES CC1216739752
6MOX230-06HFN10-M1MDV · MSEPBwith ductless indoor unit MSEPB-06HRFN10-M1Midea0.5 tons6,000 Btu/h · Non-ducted18.12.41138%12.525.08,300CEE 25CEE 26CEE AdvXcelDOEES CC1215865890
7BMS500-AAS009-1CSXRDBOSCH · BM Serieswith ductless indoor unit BMS500-AAU006-1AHWXDBosch0.5 tons6,000 Btu/h · Non-ducted18.12.41138%12.525.08,300CEE 25CEE 26CEE AdvXcelDOEES CC6217656832
837MAHAQ06AA3CARRIER · 45M Serieswith ductless indoor unit 45MAHAQ06XA3Also sold as Midea 37MAHAQ06AA3, Midea D5CSHAH06AAK, MDV MOX230-06HFN10-M1X, Arcoaire D5CSHAH06AAKCarrier0.5 tons6,000 Btu/h · Non-ducted18.02.40110%14.825.77,700CEE 25CEE 26CEE AdvXcelDOEES CC13215323742
9BZ33-HYP06OUT2-454-G3-PBreeze33 · BZ33 Serieswith ductless indoor unit BZ33-HYP06WALL2-454-G3-PBreeze330.5 tons6,000 Btu/h · Non-ducted18.02.40110%14.825.57,700CEE 25CEE 26CEE AdvXcelDOEES CC2215449757
10MO1HS-H06B-2AMIDEA · MSE Serieswith ductless indoor unit MSEHU-H06B-2AMidea0.5 tons6,000 Btu/h · Non-ducted18.02.40110%14.825.57,700CEE 25CEE 26CEE AdvXcelDOEES CC3215471379

Non-ducted, up to 1.5 tons board

Non-ducted, 2 tons: ranked by EER2 only

Non-ducted, 2 tons: ranked by EER2. Every model here is the same size and duct type, so the raw values are comparable. Ties go to the lower AHRI reference number; every number in a row is from that row’s certification.
# · Outdoor modelManufacturerSize · typeEER2COP@5°FCap. 5/47HSPF2SEER2Btu/h @5°FMeetsCombosAHRI ref.
1AM024HCMDCGSAMSUNG · DVM S MiniSamsung2 tons24,000 Btu/h · Non-ducted17.02.1889%10.726.024,000CEE 25CEE 26XcelES CC3218717190
2PUZ-AK24NLHZ***Mitsubishi Electric · P serieswith ductless indoor unit PLA-AE24NLMitsubishi Electric2 tons24,000 Btu/h · Non-ducted16.12.2093%9.822.826,000CEE 25CEE 26XcelES CC9215712196
3PUZ-AK24NLHZ2***Mitsubishi Electric · P serieswith ductless indoor unit PLA-AE24NLMitsubishi Electric2 tons24,000 Btu/h · Non-ducted16.12.20100%10.822.826,000CEE 25CEE 26CEE AdvXcelDOEES CC13218697024
4AOUK024SSAN7FUJITSU · J-7SFujitsu2 tons24,000 Btu/h · Non-ducted15.73.0394%11.322.226,200CEE 25CEE 26XcelES CC3216372779
5AJ020DXS3CGSAMSUNG · FJM (Premium)Samsung2 tons21,000 Btu/h · Non-ducted15.01.95100%10.523.022,000CEE 25CEE 26XcelES CC3216372795
6MMLD020S6M-1PLENNOX · MMLD Multi-ZoneLennox2 tons21,000 Btu/h · Non-ducted15.01.95100%10.523.022,000CEE 25CEE 26XcelES CC3216760278
7ZRUN024GSS0LG · ZRUN024GSS0LG2 tons24,000 Btu/h · Non-ducted14.82.16100%10.220.127,000CEE 25CEE 26CEE AdvXcelDOEES CC3214914954
8RXTA24AAVJU*DAIKINDaikin2 tons23,000 Btu/h · Non-ducted14.82.1495%9.623.324,600CEE 25CEE 26Xcel3217178408
9AJ024DXS4CGSAMSUNG · FJM (Premium)Samsung2 tons25,000 Btu/h · Non-ducted14.61.85100%10.423.025,000CEE 25CEE 26XcelES CC3216372794
10MMLD024S6M-1PLENNOX · MMLD Multi-ZoneLennox2 tons25,000 Btu/h · Non-ducted14.61.85100%10.423.025,000CEE 25CEE 26XcelES CC3216760277

Non-ducted, 2 tons board

Non-ducted, 2.5–3 tons: ranked by EER2 only

Non-ducted, 2.5–3 tons: ranked by EER2. Every model here is the same size and duct type, so the raw values are comparable. Ties go to the lower AHRI reference number; every number in a row is from that row’s certification.
# · Outdoor modelManufacturerSize · typeEER2COP@5°FCap. 5/47HSPF2SEER2Btu/h @5°FMeetsCombosAHRI ref.
1MCY-MUB0368HS2P-ULTOSHIBA CARRIER · MCY-MUB0368HS2P-ULCarrier3 tons36,000 Btu/h · Non-ducted17.22.4271%12.129.128,200CEE 25CEE 26XcelES CC5216760287
2ZRUM036GSS0LG · ZRUM036GSS0LG3 tons36,000 Btu/h · Non-ducted15.52.30100%10.623.042,000CEE 25CEE 26CEE AdvXcelDOEES CC3214914950
3AOUK036MSAN7FUJITSU · J-7Fujitsu3 tons36,000 Btu/h · Non-ducted15.42.3296%10.323.140,500CEE 25CEE 26XcelES CC3218467766
4KUSXA301ALG · KUSXA301Awith ductless indoor unit KNSCB301ALG2.5 tons30,000 Btu/h · Non-ducted15.22.10100%10.425.034,000CEE 25CEE 26CEE AdvXcelDOEES CC62214826535
5KUMXA361ALG · KUMXA361ALG3 tons36,000 Btu/h · Non-ducted14.52.27100%11.022.045,000CEE 25CEE 26CEE AdvXcelDOEES CC3215402345
6MXZ-SM36NLHZ***Mitsubishi Electric · Smart MultiAlso listed as PUMY-HL36NKMU, MXZ-SM36NLHZ-Mitsubishi Electric3 tons36,000 Btu/h · Non-ducted14.52.00100%12.023.042,000CEE 25CEE 26XcelES CC4215685464
7GMV-V36WL/NHC-T(U)GREE · Ultra Heat GMV6 MiniAlso sold as Tosot TMV-V36WL/NHC-T(U)Gree3 tons36,000 Btu/h · Non-ducted14.52.4070%9.823.531,600CEE 25CEE 26XcelES CC3217123443
8AC030DXSCCGSAMSUNG · 4-Way Cassette (WindFree™) Premium (CAC)with ductless indoor unit AC030DN4DCGSamsung2.5 tons30,000 Btu/h · Non-ducted14.41.80100%10.722.834,000CEE 25CEE 26XcelES CC5215385454
9MMLD030S6S-1PLENNOX · MMLD Mini-Splitwith ductless indoor unit M33D030S6-1PLennox2.5 tons30,000 Btu/h · Non-ducted14.41.80100%10.722.834,000CEE 25CEE 26XcelES CC3215810030
10MWHQ036NC2AA*GE Appliances · MRV 7SGE Appliances3 tons35,600 Btu/h · Non-ducted14.42.0098%10.822.039,000CEE 25CEE 26XcelES CC2218309294

Non-ducted, 2.5–3 tons board

Non-ducted, 3.5–4.5 tons: ranked by EER2 only

Non-ducted, 3.5–4.5 tons: ranked by EER2. Every model here is the same size and duct type, so the raw values are comparable. Ties go to the lower AHRI reference number; every number in a row is from that row’s certification.
# · Outdoor modelManufacturerSize · typeEER2COP@5°FCap. 5/47HSPF2SEER2Btu/h @5°FMeetsCombosAHRI ref.
1KUMXA421ALG · KUMXA421ALG3.5 tons42,000 Btu/h · Non-ducted13.82.29100%11.021.548,000CEE 25CEE 26CEE AdvXcelDOEES CC3215402347
2KUSXA421ALG · KUSXA421Awith ductless indoor unit KNSCB421ALG3.5 tons42,000 Btu/h · Non-ducted13.52.2091%10.821.543,500CEE 25CEE 26XcelES CC2214837930
3ZRUM048GSS0LG · ZRUM048GSS0LG4 tons48,000 Btu/h · Non-ducted13.52.10100%10.323.354,000CEE 25CEE 26CEE AdvXcelDOEES CC3214914947
4GMV-V48WL/NHC-T(U)GREE · Ultra Heat GMV6 MiniAlso sold as Tosot TMV-V48WL/NHC-T(U)Gree4 tons48,000 Btu/h · Non-ducted13.52.3070%9.023.538,000CEE 25CEE 26XcelES CC3217123444
5MXZ-SM42NLHZ***Mitsubishi Electric · Smart MultiAlso listed as PUMY-HL42NKMU, MXZ-SM42NLHZ-Mitsubishi Electric3.5 tons42,000 Btu/h · Non-ducted13.42.00100%11.121.548,000CEE 25CEE 26XcelES CC3215685465
6MCY-MUB0488HS2P-ULTOSHIBA CARRIER · MCY-MUB0488HS2P-ULCarrier4 tons48,000 Btu/h · Non-ducted13.42.5070%11.324.438,000CEE 25CEE 26XcelES CC5216760288
7KUSXB421ALG · KUSXB421Awith ductless indoor unit KNSCB421ALG3.5 tons42,000 Btu/h · Non-ducted13.21.9883%10.821.040,000CEE 25CEE 26XcelES CC30214837927
8KUMXA481ALG · KUMXA481ALG4 tons48,000 Btu/h · Non-ducted13.12.34100%10.520.552,500CEE 25CEE 26CEE AdvXcelDOEES CC3215408636
9MXZ-SM48NLHZ***Mitsubishi Electric · Smart MultiAlso listed as PUMY-HL48NKMU, MXZ-SM48NLHZ-Mitsubishi Electric4 tons48,000 Btu/h · Non-ducted13.12.00100%11.523.054,000CEE 25CEE 26XcelES CC4215685467
10GWHD(42)ND6MOGREE · M-SeriesAlso sold as Tosot TM42H32MO, Kinghome KM42X6O, Tosot TM42D6MO, Tosot TMSCI7H4R42 and 5 more; also listed as MUL42HP230V1R32AO, GS5M42HP230V1MOGree3.5 tons42,000 Btu/h · Non-ducted13.02.1090%10.021.037,800CEE 25CEE 26XcelES CC3214931590

Non-ducted, 3.5–4.5 tons board

Non-ducted, 5 tons and up: ranked by EER2 only

Non-ducted, 5 tons and up: ranked by EER2. Every model here is the same size and duct type, so the raw values are comparable. Ties go to the lower AHRI reference number; every number in a row is from that row’s certification.
# · Outdoor modelManufacturerSize · typeEER2COP@5°FCap. 5/47HSPF2SEER2Btu/h @5°FMeetsCombosAHRI ref.
1AM060FCMDCG1SAMSUNG · DVM S MiniSamsung5 tons60,000 Btu/h · Non-ducted13.82.1185%11.023.056,250CEE 25CEE 26XcelES CC3216032696
2VPD060H6M-5PLENNOX · DVM S MiniLennox5 tons60,000 Btu/h · Non-ducted13.82.1185%11.023.056,250CEE 25CEE 26XcelES CC3216054508
3ZRUM060GSS0LG · ZRUM060GSS0LG5 tons60,000 Btu/h · Non-ducted13.02.1081%10.023.054,000CEE 25CEE 26XcelES CC3214914943
4MCY-MUB0608HS2P-ULTOSHIBA CARRIER · MCY-MUB0608HS2P-ULCarrier5 tons60,000 Btu/h · Non-ducted12.22.0260%10.423.338,500CEE 25CEE 264216760289
5MXZ-SM60NL***Mitsubishi Electric · Smart MultiAlso listed as PUMY-L60NKMU, MXZ-SM60NL-Mitsubishi Electric5 tons60,000 Btu/h · Non-ducted12.02.0072%10.520.046,500CEE 25CEE 26XcelES CC4215685468
6AM060FCMDCGSAMSUNG · DVM S MiniAlso listed as AM060HCMDCSSamsung5 tons60,000 Btu/h · Non-ducted12.01.9983%10.220.054,900CEE 25CEE 26XcelES CC3216032695
7VPD060S6M-5PLENNOX · DVM S MiniLennox5 tons60,000 Btu/h · Non-ducted12.01.9983%10.220.054,900CEE 25CEE 26XcelES CC3216054507
8MXZ-SM60NLHZ***Mitsubishi Electric · Smart MultiMitsubishi Electric5 tons60,000 Btu/h · Non-ducted12.02.0094%10.920.062,000CEE 25CEE 26XcelES CC4217643000
9MXZ-SM60NLHZ-**Mitsubishi Electric · Smart MultiAlso listed as PUMY-HL60NKMUMitsubishi Electric5 tons60,000 Btu/h · Non-ducted12.02.0096%10.920.062,000CEE 25CEE 26XcelES CC4217643003
10MWHQ060NC2AA*GE Appliances · MRV 7SGE Appliances5 tons60,000 Btu/h · Non-ducted12.02.0078%10.521.051,000CEE 25CEE 26XcelES CC2218325037

Non-ducted, 5 tons and up board

Download CSV of these EER2 boardsEvery board above in one file, ranked by value within each peer group.

Typical EER2 by size and duct type

The median model of each peer group. The spread between groups is why models are only compared within their own.
EER2 by size and duct typeEvery model, one row per peer group; the highlighted row is the one on this board · Low-GWP (R-454B, R-32)
  • All models of the group (shape)
  • Median and middle 50% / 80%
  • Leaderboard models
Non-ducted, up to 1.5 tons12.33,562 modelsNon-ducted, 2 tons12.0903 modelsNon-ducted, 2.5–3 tons12.01,139 modelsNon-ducted, 3.5–4.5 tons11.9570 modelsNon-ducted, 5 tons and up10.085 modelsmedian

Source: AHRI Directory · as of

Median EER2 of the representative certification, per peer group
Peer groupModelsMedian EER2
Ducted, up to 1.5 tons1,82711.7
Ducted, 2 tons1,15211.7
Ducted, 2.5–3 tons2,19811.5
Ducted, 3.5–4.5 tons2,60711.1
Ducted, 5 tons and up45811.0
Non-ducted, up to 1.5 tons3,56812.3
Non-ducted, 2 tons90312.0
Non-ducted, 2.5–3 tons1,14012.0
Non-ducted, 3.5–4.5 tons57011.9
Non-ducted, 5 tons and up8510.0