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COMFORTSTAR heat pump efficiency: 133 outdoor models compared

COMFORTSTAR has 133 heat pump outdoor models certified with this refrigerant group, in 461 AHRI-certified combinations. Each model is compared with models of the same size and duct type, so the scores below do not depend on which sizes COMFORTSTAR makes. COMFORTSTAR has no QMID (IRS Qualified Manufacturer ID) on file, so it is not ranked against other manufacturers.

New to heat pump ratings? The Simple view explains them in plain words →

ManufacturerData as of updated · sources

Outdoor models
133
AHRI certifications
461
Efficiency index
50%
Typical model vs same-size, same-type peers (148 models)
Meet CEE 2025
53.4%
71 models

How COMFORTSTAR compares with comparable models

For each rating: the share of same-size, same-type models that a typical model of this manufacturer beats (50% is typical), its rank, and the raw median for context. Raw medians are not comparable across manufacturers that make different sizes.
COMFORTSTAR against every ranked manufacturerPeer scores, 0–100 · grey ticks: each ranked manufacturer · shaded: the middle half of COMFORTSTAR’s own modelsCOMFORTSTAR is strongest on HSPF2 (its typical model beats 54% of comparable models) and weakest on EER2 (44%).
  • COMFORTSTAR
  • Middle half of its models
  • Other ranked manufacturers
COMFORTS…

Source: AHRI Directory, NEEP · as of

Average peer percentile of COMFORTSTAR’s models
RatingBeats comparable modelsRankRaw median
Efficiency index148 models scored50%Not ranked—
COP at 5°F149 models scored51%Not ranked2.00
Capacity retention at 5°F148 models scored48%Not ranked71%
HSPF2165 models scored54%Not ranked8.7
SEER2165 models scored49%Not ranked17.1
EER2165 models scored44%Not ranked11.2
Heating capacity at 5°F149 models scored52%Not ranked20,600 Btu/h

Standards met

Share of COMFORTSTAR’s models with at least one qualifying certification
StandardShareModels
CEE 2025 Tier 1 (Split ASHP)53.4%71
CEE 2026 Tier 1 (Split ASHP)53.4%71
CEE Advanced Tier (Split ASHP)1.5%2
Xcel Energy Colorado cold-climate ASHP (2025)46.6%62
DOE Cold Climate Heat Pump Challenge1.5%2
ENERGY STAR Cold Climate30.1%40

Sizes and duct types offered

Models per peer group, and how they score against the other models of that group.
COMFORTSTAR’s models inside each size and duct typeShape: every model of the group · blue: the middle half of this manufacturer’s models there, median dot, 10th–90th percentile line
  • COMFORTSTAR (median, middle 50%, 10th–90th)
  • All models of the group
Ducted, up to 1.5 tons1.901,783 modelsDucted, 2 tons2.001,090 modelsDucted, 2.5–3 tons2.001,909 modelsDucted, 3.5–4.5 tons2.002,224 modelsDucted, 5 tons and up2.00321 modelsNon-ducted, up to 1.5 tons1.953,455 modelsNon-ducted, 2 tons2.00863 modelsNon-ducted, 2.5–3 tons2.001,106 modelsNon-ducted, 3.5–4.5 tons2.00564 modelsNon-ducted, 5 tons and up2.0585 modelsmedian

Source: AHRI Directory · as of

Share of comparable models beaten, per peer group
Size and duct typeModelsIndexCOP@5°FHSPF2SEER2
Ducted, up to 1.5 tons1767%69%64%64%
Ducted, 2 tons1748%41%52%47%
Ducted, 2.5–3 tons3149%44%55%49%
Ducted, 3.5–4.5 tons3649%44%55%49%
Ducted, 5 tons and up264%78%88%83%
Non-ducted, up to 1.5 tons2556%59%57%50%
Non-ducted, 2 tons746%58%51%36%
Non-ducted, 2.5–3 tons1844%51%48%41%
Non-ducted, 3.5–4.5 tons1139%46%44%39%
Non-ducted, 5 tons and up127%42%18%16%

Every COMFORTSTAR model in the market

COMFORTSTAR’s 165 models with a known size and duct type, over the shape of the whole catalog.
COMFORTSTAR models by size and ratingColoured: COMFORTSTAR · grey shapes: all 14,508 models · lines: catalog medians by size
  • COMFORTSTAR models
  • Ducted median by size
  • Non-ducted median by size
  • Every model at each size (width = count)
  • Standard threshold

Dots: 165 comfortstar models, each through its representative certification, in the colour of the rating shown. The grey shapes count all 14,508 models, half a ton at a time.
Show the data as a table
COP at 5°F by size and duct type (every model, by rated cooling capacity)
Duct type, sizeModels10th pct.25thMedian75th90th
Ducted, 0.5 tons8261.641.711.751.852.24
Ducted, 1 ton4071.801.902.052.412.45
Ducted, 1.5 tons9921.751.862.002.172.40
Ducted, 2 tons9991.751.862.002.182.30
Ducted, 2.5 tons1,0401.701.802.002.102.36
Ducted, 3 tons6961.801.902.002.102.42
Ducted, 3.5 tons8641.701.802.002.102.46
Ducted, 4 tons7271.801.862.002.122.40
Ducted, 4.5 tons6901.701.801.902.102.20
Ducted, 5 tons861.892.002.102.102.10
Non-ducted, 0.5 tons1,1861.751.801.902.002.22
Non-ducted, 1 ton1,3431.801.801.992.102.21
Non-ducted, 1.5 tons1,2611.801.802.002.102.31
Non-ducted, 2 tons7611.801.982.002.102.30
Non-ducted, 2.5 tons4031.801.852.002.002.10
Non-ducted, 3 tons4731.901.982.002.032.20
Non-ducted, 3.5 tons2802.002.002.002.052.10
Non-ducted, 4 tons2041.962.002.052.102.11
Non-ducted, 4.5 tons781.901.911.952.012.01
Non-ducted, 5 tons841.992.002.052.202.20

Source: AHRI Directory · as of

Top COMFORTSTAR models

Its top five cold-climate picks and its top five all-around models across sizes (both scores compare each model with models of its own size and duct type, so sizes compare), then, on each single rating, the model that beats the largest share of comparable models.

Cold-climate picks

Top 5 COMFORTSTAR cold-climate picks across sizes. Qualifies when its capacity retention at 5°F (capacity at 5°F as a share of capacity at 47°F) is at least 70% and Capacity retention at 5°F, COP at 5°F, HSPF2 are all rated. Score = the equal-weight mean of its peer percentiles on Capacity retention at 5°F, COP at 5°F, HSPF2 (share of the other models in its peer group it beats, 0–100), all from one certified pairing: in each duct type a model is sold in, its qualifying pairing of that type with the best score; equal scores (one decimal) go to the higher heating capacity at 5°F.
# · Outdoor modelSize · typeCap. 5/47COP@5°FHSPF2Btu/h @5°FSEER2MeetsCombosAHRI ref.Compared withScore
1CHF3-06CD(O)COMFORTSTAR · CHF Serieswith ductless indoor unit T1W3-06CD(I)0.5 tons6,500 Btu/h · Non-ducted109%2.4012.08,10022.0CEE 25CEE 26CEE AdvXcelDOEES CC3217138383Non-ducted, up to 1.5 tons94.4
2CHF3-06CD(O)COMFORTSTAR · CHF Serieswith ducted air handler CPA3-06CD(I)0.5 tons6,500 Btu/h · Ducted98%2.4113.87,80021.4CEE 25CEE 26XcelES CC3217138375Ducted, up to 1.5 tons93.5
3CHF3-24CD(O)COMFORTSTAR · CHF Serieswith ductless indoor unit TIP3-24CD(I)2 tons23,400 Btu/h · Non-ducted95%2.2311.623,80020.7CEE 25CEE 26XcelES CC3217138374Non-ducted, 2 tons89.4
4CHF3-36DU(O)COMFORTSTAR · CHF Serieswith ductless indoor unit FPA3-36DU(I)3 tons36,400 Btu/h · Non-ducted104%2.0210.839,50020.0CEE 25CEE 26XcelES CC4217138384Non-ducted, 2.5–3 tons89.4
5CPH3-18CD(O)COMFORTSTAR · CPH Serieswith ducted air handler CWM3-18-SG31.5 tons18,000 Btu/h · Ducted103%2.1010.819,60019.3CEE 25CEE 26CEE AdvXcelDOEES CC3217678213Ducted, up to 1.5 tons86.7

All-around best

Top 5 COMFORTSTAR models on the all-around score across sizes. Score = 50% heating, the mean of its peer percentiles on COP at 5°F, Capacity retention at 5°F, HSPF2, plus 50% cooling, the mean of its peer percentiles on SEER2 and EER2 (share of the other models in its peer group it beats, 0–100). All five ratings are required; there is no minimum heat kept at 5°F. In each duct type a model is sold in, it is scored on its pairing of that type with the best score; equal scores (one decimal) go to the higher cold-climate score, then the higher heating capacity at 5°F.
# · Outdoor modelSize · typeCap. 5/47COP@5°FHSPF2SEER2EER2MeetsCombosAHRI ref.Compared withScoreHeating halfCooling halfCold-climate score
1CHF3-06CD(O)COMFORTSTAR · CHF Serieswith ducted air handler CPA3-06CD(I)0.5 tons6,500 Btu/h · Ducted98%2.4113.821.414.4CEE 25CEE 26XcelES CC3217138375Ducted, up to 1.5 tons95.093.596.593.5
2CHF3-06CD(O)COMFORTSTAR · CHF Serieswith ductless indoor unit CPP3-06CD(I)0.5 tons6,000 Btu/h · Non-ducted107%2.2914.625.316.0CEE 25CEE 26CEE AdvXcelDOEES CC3217138368Non-ducted, up to 1.5 tons93.893.893.994.4
3CHF3-09CD(O)COMFORTSTAR · CHF Serieswith ducted air handler CPA3-09CD(I)1 ton9,000 Btu/h · Ducted112%1.8912.521.413.4CEE 25CEE 26XcelES CC3217138376Ducted, up to 1.5 tons86.780.093.580.0
4CPP3-09CD(O)COMFORTSTAR · CPP Serieswith ductless indoor unit CPP3-09CD(I)1 ton9,000 Btu/h · Non-ducted82%2.3313.024.614.7CEE 25CEE 26XcelES CC5216720884Non-ducted, up to 1.5 tons86.785.987.485.9
5CMZ3-55-6ZCOMFORTSTAR · CMZ Series4 tons45,000 Btu/h · Ducted81%2.1010.620.412.0CEE 25CEE 26XcelES CC3216720934Ducted, 3.5–4.5 tons85.177.992.377.9

Best model on each rating

COMFORTSTAR’s model with the highest peer percentile on each rating, ranked by that one rating only
RatingModelValueCompared withBeatsAHRI ref.
COP at 5°FCPP3-12CD(O)2.47Non-ducted, up to 1.5 tons98%216720907
Capacity retention at 5°FCHH32-36115%Ducted, 2.5–3 tons99%218667967
HSPF2CVH3-48-6SH11.0Ducted, 3.5–4.5 tons99%216720919
SEER2C32-MZ-222.0Ducted, up to 1.5 tons97%218787849
EER2CHF3-06CD(O)14.4Ducted, up to 1.5 tons99%217138375
Heating capacity at 5°FCHH32-3642,500 Btu/hDucted, 2.5–3 tons100%218667967

All 133 COMFORTSTAR models in Explore

COMFORTSTAR size class by size class: cold-climate and all-around

Its best model on each board in every size and duct type it makes. Both scores are 0–100 against every model of that size class (the line on each bar is 50, the typical model there). Cold-climate picks must keep at least 70% of their heat at 5°F; the all-around score needs all five ratings and has no such bar.
COMFORTSTAR: best cold-climate pick and best all-around model per size and duct type, with how many of its models are on each board (top 5 and 5 per class are in the snapshot)
Size and duct typeCold-climate pickCold-climate score, best modelAll-around bestAll-around score, best model
Ducted, up to 1.5 tons93.5(50 is the typical model of its size class)CHF3-06CD(O)with ducted air handler CPA3-06CD(I)13 of 17 models qualify · AHRI 21713837595.0(50 is the typical model of its size class)CHF3-06CD(O)with ducted air handler CPA3-06CD(I)15 of 17 models have all five ratings · AHRI 217138375
Ducted, 2 tons77.4(50 is the typical model of its size class)CHF3-24CD(O)with ducted air handler AHU3-24M12 of 17 models qualify · AHRI 21713836178.8(50 is the typical model of its size class)CPP3-24CD(O)with ducted air handler CPA3H-24CD(I)15 of 17 models have all five ratings · AHRI 216720902
Ducted, 2.5–3 tons83.2(50 is the typical model of its size class)CHF3-36DU(O)with ducted air handler CPA3H-36DU(I)12 of 31 models qualify · AHRI 21713838783.6(50 is the typical model of its size class)CVH3-36-5SH27 of 31 models have all five ratings · AHRI 216720916
Ducted, 3.5–4.5 tons82.7(50 is the typical model of its size class)CVH3-48-6SH16 of 36 models qualify · AHRI 21672091985.1(50 is the typical model of its size class)CMZ3-55-6Z32 of 36 models have all five ratings · AHRI 216720934
Ducted, 5 tons and upNone on this board (0 of 2 models qualify)65.3(50 is the typical model of its size class)CPP3-60DU(O)with ducted air handler CPA3H-60DU(I)2 of 2 models have all five ratings · AHRI 216720905
Non-ducted, up to 1.5 tons94.4(50 is the typical model of its size class)CHF3-06CD(O)with ductless indoor unit T1W3-06CD(I)17 of 25 models qualify · AHRI 21713838393.8(50 is the typical model of its size class)CHF3-06CD(O)with ductless indoor unit CPP3-06CD(I)22 of 25 models have all five ratings · AHRI 217138368
Non-ducted, 2 tons89.4(50 is the typical model of its size class)CHF3-24CD(O)with ductless indoor unit TIP3-24CD(I)4 of 7 models qualify · AHRI 21713837474.3(50 is the typical model of its size class)CPP3-24CD(O)with ductless indoor unit CPP3-24CD(I)6 of 7 models have all five ratings · AHRI 216720887
Non-ducted, 2.5–3 tons89.4(50 is the typical model of its size class)CHF3-36DU(O)with ductless indoor unit FPA3-36DU(I)14 of 18 models qualify · AHRI 21713838466.3(50 is the typical model of its size class)CVH3-36-5SH17 of 18 models have all five ratings · AHRI 216720915
Non-ducted, 3.5–4.5 tons69.9(50 is the typical model of its size class)CVH3-60-6SH9 of 11 models qualify · AHRI 21672092362.6(50 is the typical model of its size class)CVH3-60-6SH11 of 11 models have all five ratings · AHRI 216720921
Non-ducted, 5 tons and upNone on this board (0 of 1 models qualify)32.5(50 is the typical model of its size class)CMZ3-62-6Z1 of 1 models have all five ratings · AHRI 216720936

All-around board, every manufacturer

Newest COMFORTSTAR certifications

By AHRI reference number; AHRI issues references in increasing order.
The 5 most recently certified COMFORTSTAR outdoor models
Outdoor modelSize · typeCOP@5°FCap. 5/47HSPF2SEER2MeetsCombosAHRI ref.
CTT24CD(O)COMFORTSTARwith ductless indoor unit CTT24CD(I)2 tons24,000 Btu/h · Non-ducted2.1068%9.521.0CEE 25CEE 261218787864
CTT09CD(O)COMFORTSTARwith ductless indoor unit CTT09CD(I)1 ton9,000 Btu/h · Non-ducted1.8974%10.020.0CEE 25CEE 26Xcel1218787863
CH20-24CD-32(O)COMFORTSTARwith ductless indoor unit FPA32-24CD(I)2 tons24,000 Btu/h · Non-ducted1.9071%9.520.0CEE 25CEE 26Xcel3218787862
CH20-18CD-32(O)COMFORTSTARwith ductless indoor unit FPA32-18CD(I)1.5 tons18,000 Btu/h · Non-ducted1.9068%9.521.0None3218787861
CH20-12CD-32(O)COMFORTSTARwith ductless indoor unit CPA32-12CD(I)1 ton12,000 Btu/h · Non-ducted1.9069%9.520.0CEE 25CEE 26Xcel2218787858

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COMFORTSTAR includes these brand names as listed in AHRI: ComfortStar. Standards are checked against published thresholds; program rules beyond ratings are not checked.