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YONAN heat pump efficiency: 55 outdoor models compared

YONAN has 55 heat pump outdoor models certified with this refrigerant group, in 88 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 YONAN makes. YONAN 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
55
AHRI certifications
88
Efficiency index
55%
Typical model vs same-size, same-type peers (68 models)
Meet CEE 2025
67.3%
37 models

How YONAN 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.
YONAN against every ranked manufacturerPeer scores, 0–100 · grey ticks: each ranked manufacturer · shaded: the middle half of YONAN’s own modelsYONAN is strongest on SEER2 (its typical model beats 61% of comparable models) and weakest on capacity retention at 5°F (36%).
  • YONAN
  • Middle half of its models
  • Other ranked manufacturers
YONAN

Source: AHRI Directory, NEEP · as of

Average peer percentile of YONAN’s models
RatingBeats comparable modelsRankRaw median
Efficiency index68 models scored55%Not ranked—
COP at 5°F68 models scored54%Not ranked2.00
Capacity retention at 5°F68 models scored36%Not ranked66%
HSPF272 models scored61%Not ranked9.5
SEER272 models scored61%Not ranked21.1
EER272 models scored51%Not ranked12.2
Heating capacity at 5°F68 models scored39%Not ranked12,600 Btu/h

Standards met

Share of YONAN’s models with at least one qualifying certification
StandardShareModels
CEE 2025 Tier 1 (Split ASHP)67.3%37
CEE 2026 Tier 1 (Split ASHP)58.2%32
CEE Advanced Tier (Split ASHP)0%0
Xcel Energy Colorado cold-climate ASHP (2025)34.5%19
DOE Cold Climate Heat Pump Challenge0%0
ENERGY STAR Cold Climate0%0

Sizes and duct types offered

Models per peer group, and how they score against the other models of that group.
YONAN’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
  • YONAN (median, middle 50%, 10th–90th)
  • All models of the group
Ducted, up to 1.5 tons2.00884 modelsDucted, 2 tons2.00821 modelsDucted, 2.5–3 tons1.901,614 modelsDucted, 3.5–4.5 tons1.911,492 modelsDucted, 5 tons and up1.90239 modelsNon-ducted, up to 1.5 tons1.902,417 modelsNon-ducted, 2 tons1.87611 modelsNon-ducted, 2.5–3 tons1.85975 modelsNon-ducted, 3.5–4.5 tons1.97438 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 tons567%68%80%75%
Ducted, 2 tons279%55%90%91%
Ducted, 2.5–3 tons559%30%73%86%
Ducted, 3.5–4.5 tons456%20%85%80%
Ducted, 5 tons and up157%57%70%88%
Non-ducted, up to 1.5 tons3056%64%63%60%
Non-ducted, 2 tons851%51%54%58%
Non-ducted, 2.5–3 tons1147%46%42%45%
Non-ducted, 3.5–4.5 tons643%42%44%44%

Every YONAN model in the market

YONAN’s 72 models with a known size and duct type, over the shape of the whole catalog.
YONAN models by size and ratingColoured: YONAN · grey shapes: all 11,475 models · lines: catalog medians by size
  • YONAN models
  • Ducted median by size
  • Non-ducted median by size
  • Every model at each size (width = count)
  • Standard threshold

Dots: 72 yonan models, each through its representative certification, in the colour of the rating shown. The grey shapes count all 11,475 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 tons1751.701.851.902.102.26
Ducted, 1 ton3401.851.902.002.402.65
Ducted, 1.5 tons7891.751.852.002.202.55
Ducted, 2 tons7821.731.802.002.102.33
Ducted, 2.5 tons7351.711.801.902.092.48
Ducted, 3 tons6521.681.701.902.062.36
Ducted, 3.5 tons6411.611.801.952.202.50
Ducted, 4 tons3671.701.801.912.022.52
Ducted, 4.5 tons5441.701.801.912.082.34
Ducted, 5 tons251.801.801.901.902.15
Non-ducted, 0.5 tons7171.751.811.972.102.19
Non-ducted, 1 ton1,0641.751.801.902.072.25
Non-ducted, 1.5 tons8861.801.801.872.072.21
Non-ducted, 2 tons5641.801.801.832.042.21
Non-ducted, 2.5 tons2751.801.811.841.862.03
Non-ducted, 3 tons5021.801.801.902.002.09
Non-ducted, 3.5 tons701.821.831.902.002.28
Non-ducted, 4 tons2631.801.801.982.002.10
Non-ducted, 4.5 tons1031.771.771.801.972.02
Non-ducted, 5 tons291.982.002.102.302.47

Source: AHRI Directory · as of

Top YONAN 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 YONAN 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
1YSA25-09HRN1YONANwith ductless indoor unit YSA25-09HRN1Also listed as YS-09HRFN1-C5OU1 ton9,000 Btu/h · Non-ducted86%2.1912.38,58125.5CEE 25CEE 26Xcel1207671408Non-ducted, up to 1.5 tons86.0
2YOD-24HFN1YONANwith ducted air handler YTI-24HWFN12 tons23,000 Btu/h · Ducted80%2.3011.220,00019.0CEE 25CEE 26Xcel3208106980Ducted, 2 tons80.3
3YSA21-09HRN1YONANwith ductless indoor unit YSA21-09HRN11 ton9,000 Btu/h · Non-ducted80%2.1111.48,00024.0CEE 25CEE 26Xcel1207671404Non-ducted, up to 1.5 tons80.2
4YS-09HRFN1-E0OUYONANwith ductless indoor unit YS-09HRFN1-E01 ton9,000 Btu/h · Non-ducted114%1.8512.013,70028.5CEE 25CEE 26Xcel1212615065Non-ducted, up to 1.5 tons77.1
5YS-12HRFN1-E0OUYONANwith ductless indoor unit YS-12HRFN1-E01 ton12,000 Btu/h · Non-ducted114%1.8512.013,70027.0CEE 25CEE 26Xcel1212615066Non-ducted, up to 1.5 tons77.1

All-around best

Top 5 YONAN 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
1YSA25-09HRN1YONANwith ductless indoor unit YSA25-09HRN1Also listed as YS-09HRFN1-C5OU1 ton9,000 Btu/h · Non-ducted86%2.1912.325.515.0CEE 25CEE 26Xcel1207671408Non-ducted, up to 1.5 tons88.486.090.886.0
2YS-09HRFN1-E0OUYONANwith ductless indoor unit YS-09HRFN1-E01 ton9,000 Btu/h · Non-ducted114%1.8512.028.516.0CEE 25CEE 26Xcel1212615065Non-ducted, up to 1.5 tons87.477.197.777.1
3YS-12HRFN1-E0OUYONANwith ductless indoor unit YS-12HRFN1-E01 ton12,000 Btu/h · Non-ducted114%1.8512.027.014.0CEE 25CEE 26Xcel1212615066Non-ducted, up to 1.5 tons84.177.191.177.1
4YOD-24HFN1YONANwith ducted air handler YTI-24HWFN12 tons23,000 Btu/h · Ducted80%2.3011.219.012.5CEE 25CEE 26Xcel3208106980Ducted, 2 tons83.880.387.480.3
5YSA21-09HRN1YONANwith ductless indoor unit YSA21-09HRN11 ton9,000 Btu/h · Non-ducted80%2.1111.424.014.0CEE 25CEE 26Xcel1207671404Non-ducted, up to 1.5 tons83.080.285.780.2

Best model on each rating

YONAN’s model with the highest peer percentile on each rating, ranked by that one rating only
RatingModelValueCompared withBeatsAHRI ref.
COP at 5°FYSA25-12HRN1Also listed as YS-12HRFN1-C5OU2.39Non-ducted, up to 1.5 tons97%207671409
Capacity retention at 5°FYS-09HRFN1-E0OU114%Non-ducted, up to 1.5 tons96%212615065
HSPF2YOD-24HFN111.2Ducted, 2 tons98%208106980
SEER2YS-09HRFN1-E0OU28.5Non-ducted, up to 1.5 tons99%212615065
EER2YSA25-24HRN1Also listed as YS-24HRFN1-C5OU14.0Non-ducted, 2 tons97%207671411
Heating capacity at 5°FYS-09HRFN1-E0OU13,700 Btu/hNon-ducted, up to 1.5 tons82%212615065

All 55 YONAN models in Explore

YONAN 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.
YONAN: 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 tons70.4(50 is the typical model of its size class)YOX-09HFN1with ducted air handler YTI-09HWFN14 of 5 models qualify · AHRI 20810697378.5(50 is the typical model of its size class)YOX-18HFN1with ducted air handler YTI-18HWFN15 of 5 models have all five ratings · AHRI 208106977
Ducted, 2 tons80.3(50 is the typical model of its size class)YOD-24HFN1with ducted air handler YTI-24HWFN12 of 2 models qualify · AHRI 20810698083.8(50 is the typical model of its size class)YOD-24HFN1with ducted air handler YTI-24HWFN12 of 2 models have all five ratings · AHRI 208106980
Ducted, 2.5–3 tons57.8(50 is the typical model of its size class)YSMO-30HRN12 of 5 models qualify · AHRI 20769183471.7(50 is the typical model of its size class)YSMO-30HRN15 of 5 models have all five ratings · AHRI 207691834
Ducted, 3.5–4.5 tonsNone on this board (0 of 4 models qualify)63.5(50 is the typical model of its size class)YSMO-48HRN1Also listed as YSMO-48HFN14 of 4 models have all five ratings · AHRI 207691831
Ducted, 5 tons and upNone on this board (0 of 1 models qualify)57.1(50 is the typical model of its size class)YOE-60HFN1with ducted air handler YHG-60HWFN11 of 1 models have all five ratings · AHRI 208106988
Non-ducted, up to 1.5 tons86.0(50 is the typical model of its size class)YSA25-09HRN1with ductless indoor unit YSA25-09HRN1Also listed as YS-09HRFN1-C5OU9 of 30 models qualify · AHRI 20767140888.4(50 is the typical model of its size class)YSA25-09HRN1with ductless indoor unit YSA25-09HRN1Also listed as YS-09HRFN1-C5OU30 of 30 models have all five ratings · AHRI 207671408
Non-ducted, 2 tons74.2(50 is the typical model of its size class)YOD-24HFN1with ductless indoor unit YUE-24HRFN14 of 8 models qualify · AHRI 20810698177.5(50 is the typical model of its size class)YSA25-24HRN1with ductless indoor unit YSA25-24HRN1Also listed as YS-24HRFN1-C5OU8 of 8 models have all five ratings · AHRI 207671411
Non-ducted, 2.5–3 tons50.1(50 is the typical model of its size class)YSMO-30HRN12 of 11 models qualify · AHRI 20769183367.1(50 is the typical model of its size class)YSMO-30HRN18 of 11 models have all five ratings · AHRI 207691833
Non-ducted, 3.5–4.5 tons56.3(50 is the typical model of its size class)YOE-48HFN1with ductless indoor unit YUE-48HRFN11 of 6 models qualify · AHRI 20810698748.3(50 is the typical model of its size class)YSMO-48HRN1Also listed as YSMO-48HFN15 of 6 models have all five ratings · AHRI 207691830

All-around board, every manufacturer

Newest YONAN certifications

By AHRI reference number; AHRI issues references in increasing order.
The 5 most recently certified YONAN outdoor models
Outdoor modelSize · typeCOP@5°FCap. 5/47HSPF2SEER2MeetsCombosAHRI ref.
YSMO-24HFN1YONAN2 tons24,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)1.8773%9.721.8CEE 25CEE 26Xcel3212615090
YSMO-55HFN1YONAN4.5 tons55,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)1.7560%9.119.6CEE 253212615083
YSMO-48HFN1YONAN4 tons48,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)1.7567%9.620.8CEE 25CEE 263212615080
YSMO-36HFN1YONAN3 tons36,000 Btu/h · Ducted and non-ducted and mixed (multi-zone)1.7465%9.421.6CEE 253212615077
YSMO-27HFN1YONAN2.5 tons27,400 Btu/h · Ducted and non-ducted and mixed (multi-zone)1.8371%9.222.3CEE 25CEE 26Xcel3212615074

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