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Ranked by Capacity retention at 5°F only: 2 tons, by duct type

Heating capacity at 5°F as a percentage of rated heating capacity at 47°F. 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

Ducted, 2 tons: ranked by Capacity retention at 5°F only

Ducted, 2 tons: ranked by Capacity retention at 5°F (%). 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 · typeCap. 5/47COP@5°FHSPF2SEER2EER2Btu/h @5°FMeetsCombosAHRI ref.
1RP15AY24AJ2NRUUDwith ducted air handler AE*S+CM24A3J+TDRRheem2 tons21,600 Btu/h · Ducted134%2.907.815.211.728,200Xcel229216438508
2RP15AY30AJ2NRUUDwith ducted air handler AE*S+CM36A3J+TDRRheem2 tons26,800 Btu/h · Ducted134%2.727.815.211.735,600Xcel627216438510
3WP15AY30AJ2NWEATHERKINGwith ducted air handler PE(S,T)33JRheem2 tons25,600 Btu/h · Ducted130%2.567.515.211.734,000Xcel307217735639
4WP15AY24AJ2NWEATHERKINGwith ducted air handler RE(S,T)24JRheem2 tons21,400 Btu/h · Ducted128%2.657.814.311.728,200None156217735638
5GK-H02TC/NHA-D(U)GREE · DC inverter rooftop unitAlso sold as Ac Pro PKHP-X-024VBC, Tosot TK-H02TC/NHA-D(U)Gree2 tons24,000 Btu/h · Ducted126%2.058.818.011.730,300CEE 25CEE 26XcelES CC1216763049
6MDPH18024DMRCOOL · Universal DC Inverter Packaged UnitMRCOOL2 tons24,000 Btu/h · Ducted126%2.058.818.011.730,300CEE 25CEE 26XcelES CC1217905218
7SL22KLV-024-230A**LENNOX · DAVE LENNOX SIGNATURE SL22KLV SERIESwith ducted air handler CBK48MVT-018/024-230-Lennox2 tons22,200 Btu/h · Ducted122%2.149.019.512.621,800CEE 25CEE 26CEE AdvXcelDOEES CC427216776013
8KUSXB301ALGwith ducted air handler MSVT36***854GAALG2 tons26,000 Btu/h · Ducted114%1.989.617.011.729,600CEE 25CEE 26XcelES CC88217581946
9AOUH24KUAH1FUJITSU · AIRSTAGE H-serieswith ducted air handler ARUH24KUASFujitsu2 tons24,000 Btu/h · Ducted113%2.0810.218.511.730,400CEE 25CEE 26Xcel4218807602
105A6H7024A1AMERICAN STANDARDwith ducted air handler V,T36H***P42*+TXV+TDTrane2 tons22,200 Btu/h · Ducted112%2.128.215.211.724,000CEE 25CEE 26XcelES CC731217026301

Ducted, 2 tons board

Non-ducted, 2 tons: ranked by Capacity retention at 5°F only

Non-ducted, 2 tons: ranked by Capacity retention at 5°F (%). 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 · typeCap. 5/47COP@5°FHSPF2SEER2EER2Btu/h @5°FMeetsCombosAHRI ref.
1YRACXJ24WHBAYORK · Y800with ductless indoor unit YRAKXJ24PHBAYork2 tons22,000 Btu/h · Non-ducted123%1.9811.021.012.527,000CEE 25CEE 26XcelES CC1218452761
2YRACXJ24WHAAYORK · Y800with ductless indoor unit YRAKXJ24PHAAYork2 tons24,000 Btu/h · Non-ducted113%1.9811.021.012.527,000CEE 25CEE 26Xcel1218037195
3YRACGJ24WHAAYORK · Y600with ductless indoor unit YRAKGJ24PHAAAlso listed as YRACGJ24WHBAYork2 tons22,000 Btu/h · Non-ducted112%2.3411.021.013.024,700CEE 25CEE 26CEE AdvXcelDOEES CC1218037191
4AM3-H24/2DR3BAUX · C-SeriesAlso listed as ASUM24HPMULOAUX2 tons24,000 Btu/h · Non-ducted108%2.1010.524.013.026,000CEE 25CEE 26CEE AdvXcelDOEES CC1214097943
5AOUH24KUAH1FUJITSU · AIRSTAGE H-serieswith ductless indoor unit ABUH24KUASFujitsu2 tons24,000 Btu/h · Non-ducted107%2.1010.821.712.829,000CEE 25CEE 26CEE AdvXcelDOE4218814797
6YPAS24BLFASDQ1YORK · airCore700with ductless indoor unit YPCIB24UFA1DQYork2 tons24,000 Btu/h · Non-ducted106%2.4012.221.014.027,600CEE 25CEE 26CEE AdvXcelDOEES CC4218694257
7KUSXA241ALG · KUSXA241Awith ductless indoor unit KNSCB241ALG2 tons24,000 Btu/h · Non-ducted104%1.9010.522.013.028,000CEE 25CEE 26XcelES CC53214825954
8AOUH24KZAH1FUJITSU · AIRSTAGE H-Serieswith ductless indoor unit ASUH24KZASFujitsu2 tons22,000 Btu/h · Non-ducted102%2.0611.924.012.525,800CEE 25CEE 26XcelES CC2215647924
9AOUH24KWAH3FUJITSU · AIRSTAGE H-seriesFujitsu2 tons22,000 Btu/h · Non-ducted101%2.1011.523.513.525,200CEE 25CEE 26CEE AdvXcelDOEES CC3215447693
10RXM24WVJU*DAIKINwith ductless indoor unit FTXM24WVJUDaikin2 tons21,600 Btu/h · Non-ducted100%1.8010.022.012.024,000CEE 25CEE 26Xcel2212494260

Non-ducted, 2 tons board

Download CSV of these Capacity retention at 5°F boardsEvery board above in one file, ranked by value within each peer group.

Typical capacity retention at 5°F 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.
Capacity retention at 5°F 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
Ducted, 2 tons75%1,090 modelsNon-ducted, 2 tons74%853 modelsmedian

Source: AHRI Directory · as of

Median Capacity retention at 5°F of the representative certification, per peer group
Peer groupModelsMedian Cap. 5/47
Ducted, up to 1.5 tons1,82774%
Ducted, 2 tons1,15275%
Ducted, 2.5–3 tons2,19870%
Ducted, 3.5–4.5 tons2,60771%
Ducted, 5 tons and up45853%
Non-ducted, up to 1.5 tons3,56876%
Non-ducted, 2 tons90374%
Non-ducted, 2.5–3 tons1,14074%
Non-ducted, 3.5–4.5 tons57081%
Non-ducted, 5 tons and up8565%