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Ranked by SEER2 only, for their size and type

Seasonal cooling efficiency (2023 DOE test procedure). This board ranks by that one rating; it is not the overall cold-climate verdict, which is the cold-climate board. Small units rate higher than large ones and ductless units higher than ducted ones, so this board does not rank raw numbers across sizes. Each model is ranked by the share of comparable models (same size and duct type) it beats, one model per manufacturer. Only manufacturers with a QMID (IRS Qualified Manufacturer ID) on file are ranked.

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LeaderboardsData as of updated · sources

Top 25 ranked by SEER2 only, against their peers

Where each leader sits in its own peer groupSEER2 of every model, one row per size and duct type · dots are the leaderboard below · Low-GWP (R-454B, R-32)Each row is one size and duct type. Leaders are ranked by how far they stand out in their own row, not by the raw number. The #1, Midea MOX430-15HFN10-M1H, beats 100% of 1,797 ducted, up to 1.5 tons models.
  • All models of the group (shape)
  • Leaderboard model
  • Median and middle 50% / 80%
  • Standard threshold
Ducted, up to 1.5 tons16.01,827 modelsDucted, 2 tons18.01,152 modelsDucted, 2.5–3 tons16.52,198 modelsDucted, 3.5–4.5 tons15.92,607 modelsDucted, 5 tons and up15.8458 modelsNon-ducted, up to 1.5 tons21.43,566 modelsNon-ducted, 2 tons21.0903 modelsNon-ducted, 2.5–3 tons21.01,139 modelsNon-ducted, 3.5–4.5 tons21.1570 modelsNon-ducted, 5 tons and up20.085 modelsmedian

Rows: every model through its representative certification, each shape scaled to its own peak (the model count is printed). Dots: each leader's best certification on this rating, the one it is ranked by; an arrowhead marks a value beyond the axis.
Show the data as a table
SEER2 by peer group (every model's representative certification)
Peer groupModels10th pct.25thMedian75th90th
Ducted, up to 1.5 tons1,82713.914.416.019.720.5
Ducted, 2 tons1,15214.315.218.019.020.0
Ducted, 2.5–3 tons2,19813.414.316.518.519.4
Ducted, 3.5–4.5 tons2,60713.414.315.918.019.8
Ducted, 5 tons and up45813.414.315.817.018.0
Non-ducted, up to 1.5 tons3,56617.019.521.423.525.0
Non-ducted, 2 tons90318.019.021.022.823.5
Non-ducted, 2.5–3 tons1,13918.820.021.023.024.0
Non-ducted, 3.5–4.5 tons57018.119.521.122.023.0
Non-ducted, 5 tons and up8518.618.620.022.022.0

Source: AHRI Directory · as of

Ranked by the share of comparable models (same size and duct type) each model beats on SEER2, using each model’s best certification; equal shares go to the model further above its group’s typical value. The raw SEER2 is shown but not compared across sizes.
# · Outdoor modelManufacturerSize · typeSEER2COP@5°FCap. 5/47HSPF2EER2Btu/h @5°FMeetsCombosAHRI ref.Compared withBeats
1MOX430-15HFN10-M1HMDV · MOD Serieswith ducted air handler MSEPC-15HRFN10-M1HMidea1.5 tons15,000 Btu/h · Ducted27.02.0090%11.013.013,500CEE 25CEE 26XcelES CC1217998294Ducted, up to 1.5 tons1,797 models100%
2A-ZHP15SA-1Comfort Aire · A-ZHP Serieswith ducted air handler B-ZHP15SA-1Lennox1.5 tons15,000 Btu/h · Ducted27.02.0090%11.013.013,500CEE 25CEE 26XcelES CC1218404560Ducted, up to 1.5 tons1,797 models100%
337MPRAQ06AA3CARRIER · 45M Serieswith ductless indoor unit 45MPHAQ06XA3Also sold as Midea 37MPRAQ06AA3, MDV MOX430-06HFN10-M1HCarrier0.5 tons6,000 Btu/h · Non-ducted35.12.00150%15.617.513,500CEE 25CEE 26XcelES CC5215413141Non-ducted, up to 1.5 tons3,567 models100%
4MUZ-FX06NLHZ***Mitsubishi Electric · M-Serieswith ductless indoor unit MSZ-FX06NLAlso listed as MUZ-FX06NLHZ2Mitsubishi Electric0.5 tons6,000 Btu/h · Non-ducted35.02.38140%13.021.512,600CEE 25CEE 26CEE AdvXcelDOEES CC1215611124Non-ducted, up to 1.5 tons3,567 models100%
5BMS635SHYCBLUERIDGE · BMS Serieswith ductless indoor unit BMS635SHYWAlso listed as BXS6A06UC0BlueRidge0.5 tons6,000 Btu/h · Non-ducted35.02.00150%15.617.413,500CEE 25CEE 26XcelES CC1215853907Non-ducted, up to 1.5 tons3,567 models100%
6ML06HP230CALH-OMAINLINE · ML Serieswith ductless indoor unit ML06HP230CALH-IRheem0.5 tons6,000 Btu/h · Non-ducted35.02.00150%15.617.413,500CEE 25CEE 26XcelES CC2215864344Non-ducted, up to 1.5 tons3,567 models100%
7SENE-24EL-OHSENVILLE · SENE Serieswith ducted air handler SENE-24EL-IHHSenville2 tons24,000 Btu/h · Ducted25.02.2083%11.014.020,000CEE 25CEE 26XcelES CC1218069801Ducted, 2 tons1,153 models100%
8ASUM42HPMULOAUX · C-SeriesAUX3.5 tons42,000 Btu/h · Ducted22.02.1083%10.012.335,000CEE 25CEE 26XcelES CC3216032440Ducted, 3.5–4.5 tons2,584 models100%
9YH960E2C11YORK · LX SERIESwith ducted air handler CTF60C5CGS1+JMC17C2SN1+CCAlso sold as Coleman XH960E2C11, Kenmore XH960E2C11York4 tons48,000 Btu/h · Ducted22.02.0093%8.511.744,500CEE 25CEE 26XcelES CC264218026747Ducted, 3.5–4.5 tons2,584 models100%
10AOUH09KTAP1FUJITSU · AIRSTAGE H-Serieswith ductless indoor unit ASUH09KTASFujitsu1 ton9,000 Btu/h · Non-ducted33.52.48142%14.019.117,000CEE 25CEE 26CEE AdvXcelDOEES CC4216018255Non-ducted, up to 1.5 tons3,567 models100%
11GWH18AVEXF-D6DNA1A/OGREE · ALL MATCHwith ducted air handler GFH(18)DB-D6DN***/IAlso sold as Kinghome KW18XQ29SDO, Tosot TW18HAY32A1DO, Tosot TW18HAY32A1DOC, Tosot TWH18AD32AO and 1 more; also listed as GWH18AVEXF-D6DNA1B/OGree1.5 tons18,000 Btu/h · Ducted24.51.8094%9.414.017,000CEE 25CEE 26XcelES CC8215416014Ducted, up to 1.5 tons1,797 models100%
12AS-09UW3TBW00HISENSE · Hi-Prowith ductless indoor unit AS-09UW3TBW**00Also listed as AO-09U3T25P, AO-09U3T26P2Hisense1 ton9,000 Btu/h · Non-ducted32.02.25100%11.818.412,200CEE 25CEE 26CEE AdvXcelDOEES CC1216739752Non-ducted, up to 1.5 tons3,567 models99%
13048-TPH-MODU-1D4DELLA · TPHDella2.5 tons27,000 Btu/h · Non-ducted26.52.0096%10.514.026,000CEE 25CEE 26XcelES CC2218471008Non-ducted, 2.5–3 tons1,141 models99%
14YN030GLSI24M3GPioneer · Diamante Ultra MultiPioneer2.5 tons27,000 Btu/h · Ducted22.01.8870%9.012.019,000CEE 25CEE 26XcelES CC2217048773Ducted, 2.5–3 tons2,193 models99%
15POM27H2BM3AinnovairInnovair2.5 tons27,000 Btu/h · Ducted22.01.9070%9.012.019,000CEE 25CEE 26Xcel1217258419Ducted, 2.5–3 tons2,193 models99%
165TWV0X36A1TRANE · 20 TruComfort Variable Speed Heat Pumpwith ducted air handler 5TEMCD06AV41+TDRAlso sold as American Standard 5A6V0X36A1Trane3 tons36,200 Btu/h · Ducted21.62.3066%10.513.025,400CEE 25CEE 26XcelES CC114217734494Ducted, 2.5–3 tons2,193 models99%
17NS21H60MA5-**AGE · NS21H Serieswith indoor coil NCU[C,U]49CT5*-**+TDR and furnace NF80X100V5CGE Appliances4.5 tons54,500 Btu/h · Ducted20.52.1266%8.511.735,600CEE 25CEE 26XcelES CC64217642437Ducted, 3.5–4.5 tons2,584 models99%
18ZRUM060GSS0LG · ZRUM060GSS0LG5 tons60,000 Btu/h · Non-ducted23.02.1081%10.013.054,000CEE 25CEE 26XcelES CC3214914943Non-ducted, 5 tons and up85 models98%
19AM060FCMDCG1SAMSUNG · DVM S MiniSamsung5 tons60,000 Btu/h · Non-ducted23.02.1185%11.013.856,250CEE 25CEE 26XcelES CC3216032696Non-ducted, 5 tons and up85 models98%
20FRP19AY36AJVCFRIEDRICH · K SERIESwith indoor coil TCFY3621MEAAM and furnace FR98MV1005A21UPFriedrich3 tons34,200 Btu/h · Ducted21.02.0086%10.012.029,400CEE 25CEE 26XcelES CC37216051079Ducted, 2.5–3 tons2,193 models98%
21DH9VSA361CA*DAIKIN · DH9VSAwith ducted air handler CAHEA3630C3A*+MBVK16CH*X00AAlso sold as Amana AZV9SA361CA, Goodman GZV9SA361CADaikin3 tons34,200 Btu/h · Ducted21.02.40100%10.012.034,200CEE 25CEE 26CEE AdvXcelDOEES CC35216699792Ducted, 2.5–3 tons2,193 models98%
22FP11134US*COSTWAY · X-PROCOSTWAY2.5 tons27,000 Btu/h · Ducted21.01.8870%9.011.119,000CEE 25CEE 26XcelES CC2218752595Ducted, 2.5–3 tons2,193 models98%
23DXH24PSK3IHGIBSON · (24-26 SEER2) Minisplitswith ductless indoor unit DHH24PUK3IHNortek Global HVAC2 tons22,000 Btu/h · Non-ducted26.01.8079%10.013.719,000CEE 25CEE 26XcelES CC4216011771Non-ducted, 2 tons901 models97%
24BMS500-AAM027-1CSXRDBOSCH · BMS SeriesBosch2.5 tons27,000 Btu/h · Non-ducted25.02.0070%9.513.019,000CEE 25CEE 26XcelES CC3215223331Non-ducted, 2.5–3 tons1,141 models97%
25BZ33-HP274Z2-454-G3-PBreeze33 · BZ33 SeriesBreeze332.5 tons27,000 Btu/h · Non-ducted25.02.0070%9.513.019,000CEE 25CEE 26XcelES CC3215449790Non-ducted, 2.5–3 tons1,141 models97%

Download CSV of the SEER2 leaderboardThis leaderboard with each model’s peer percentile.

How peer groups and percentiles work

Typical SEER2 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.
Median SEER2 of the representative certification, per peer group
Peer groupModelsMedian SEER2
Ducted, up to 1.5 tons1,82716.0
Ducted, 2 tons1,15218.0
Ducted, 2.5–3 tons2,19816.5
Ducted, 3.5–4.5 tons2,60715.9
Ducted, 5 tons and up45815.8
Non-ducted, up to 1.5 tons3,56821.4
Non-ducted, 2 tons90321.0
Non-ducted, 2.5–3 tons1,14021.0
Non-ducted, 3.5–4.5 tons57021.1
Non-ducted, 5 tons and up8520.0