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AC BEST LA heat pump efficiency: 3 outdoor models compared

AC BEST LA has 3 heat pump outdoor models certified with this refrigerant group, in 4 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 AC BEST LA makes. AC BEST LA has no QMID (IRS Qualified Manufacturer ID) on file, so it is not ranked against other manufacturers.

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ManufacturerData as of updated · sources

Outdoor models
3
AHRI certifications
4
Efficiency index
58%
Typical model vs same-size, same-type peers (4 models)
Meet CEE 2025
100%
3 models

How AC BEST LA 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.
AC BEST LA against every ranked manufacturerPeer scores, 0–100 · grey ticks: each ranked manufacturer · shaded: the middle half of AC BEST LA’s own modelsAC BEST LA is strongest on SEER2 (its typical model beats 66% of comparable models) and weakest on heating capacity at 5°F (47%).
  • AC BEST LA
  • Middle half of its models
  • Other ranked manufacturers
AC BEST …

Source: AHRI Directory, NEEP · as of

Average peer percentile of AC BEST LA’s models
RatingBeats comparable modelsRankRaw median
Efficiency index4 models scored58%Not ranked—
COP at 5°F4 models scored47%Not ranked1.86
Capacity retention at 5°F4 models scored50%Not ranked71%
HSPF24 models scored61%Not ranked9.2
SEER24 models scored66%Not ranked21.5
EER24 models scored60%Not ranked12.5
Heating capacity at 5°F4 models scored47%Not ranked14,000 Btu/h

Standards met

Share of AC BEST LA’s models with at least one qualifying certification
StandardShareModels
CEE 2025 Tier 1 (Split ASHP)100%3
CEE 2026 Tier 1 (Split ASHP)100%3
CEE Advanced Tier (Split ASHP)0%0
Xcel Energy Colorado cold-climate ASHP (2025)66.7%2
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.
AC BEST LA’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
  • AC BEST LA (median, middle 50%, 10th–90th)
  • All models of the group
Ducted, up to 1.5 tons2.00884 modelsNon-ducted, up to 1.5 tons1.902,417 modelsNon-ducted, 2.5–3 tons1.85975 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 tons157%22%69%68%
Non-ducted, up to 1.5 tons253%63%61%51%
Non-ducted, 2.5–3 tons167%38%54%93%

Every AC BEST LA model in the market

AC BEST LA’s 4 models with a known size and duct type, over the shape of the whole catalog.
AC BEST LA models by size and ratingColoured: AC BEST LA · grey shapes: all 11,475 models · lines: catalog medians by size
  • AC BEST LA models
  • Ducted median by size
  • Non-ducted median by size
  • Every model at each size (width = count)
  • Standard threshold

Dots: 4 ac best la 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 AC BEST LA 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 3 AC BEST LA 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
1M2OA-18HFN1-MAC BEST LA1.5 tons18,000 Btu/h · Non-ducted74%1.8610.214,00021.0CEE 25CEE 26Xcel2208073235Non-ducted, up to 1.5 tons57.1
2M3OJ-27HFN1-MAC BEST LA2.5 tons27,000 Btu/h · Non-ducted71%1.839.220,00023.5CEE 25CEE 26Xcel1208073243Non-ducted, 2.5–3 tons50.1
3M2OA-18HFN1-MAC BEST LA1.5 tons18,000 Btu/h · Ducted74%1.869.814,00019.0CEE 25CEE 26Xcel2208073237Ducted, up to 1.5 tons46.5

All-around best

Top 4 AC BEST LA 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
1M3OJ-27HFN1-MAC BEST LA2.5 tons27,000 Btu/h · Non-ducted71%1.839.223.512.2CEE 25CEE 26Xcel1208073243Non-ducted, 2.5–3 tons67.150.184.150.1
2M2OA-18HFN1-MAC BEST LA1.5 tons18,000 Btu/h · Ducted74%1.869.819.012.0CEE 25CEE 26Xcel2208073237Ducted, up to 1.5 tons56.746.566.846.5
3MOX230-09HFN1-BS5WAC BEST LAwith ductless indoor unit MSAG11A-09HRFN1-BS5W1 ton9,000 Btu/h · Non-ducted68%2.189.121.512.5CEE 25CEE 261208073226Non-ducted, up to 1.5 tons54.055.652.5Not a pick
4M2OA-18HFN1-MAC BEST LA1.5 tons18,000 Btu/h · Non-ducted74%1.8610.221.012.5CEE 25CEE 26Xcel2208073235Non-ducted, up to 1.5 tons52.857.148.557.1

Best model on each rating

AC BEST LA’s model with the highest peer percentile on each rating, ranked by that one rating only
RatingModelValueCompared withBeatsAHRI ref.
COP at 5°FMOX230-09HFN1-BS5W2.18Non-ducted, up to 1.5 tons86%208073226
Capacity retention at 5°FM3OJ-27HFN1-M71%Non-ducted, 2.5–3 tons57%208073243
HSPF2M2OA-18HFN1-M10.2Non-ducted, up to 1.5 tons72%208073235
SEER2M3OJ-27HFN1-M23.5Non-ducted, 2.5–3 tons93%208073243
EER2M3OJ-27HFN1-M12.2Non-ducted, 2.5–3 tons75%208073243
Heating capacity at 5°FM2OA-18HFN1-M14,000 Btu/hNon-ducted, up to 1.5 tons85%208073235

All 3 AC BEST LA models in Explore

AC BEST LA 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.
AC BEST LA: 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 tons46.5(50 is the typical model of its size class)M2OA-18HFN1-M1 of 1 models qualify · AHRI 20807323756.7(50 is the typical model of its size class)M2OA-18HFN1-M1 of 1 models have all five ratings · AHRI 208073237
Non-ducted, up to 1.5 tons57.1(50 is the typical model of its size class)M2OA-18HFN1-M1 of 2 models qualify · AHRI 20807323554.0(50 is the typical model of its size class)MOX230-09HFN1-BS5Wwith ductless indoor unit MSAG11A-09HRFN1-BS5W2 of 2 models have all five ratings · AHRI 208073226
Non-ducted, 2.5–3 tons50.1(50 is the typical model of its size class)M3OJ-27HFN1-M1 of 1 models qualify · AHRI 20807324367.1(50 is the typical model of its size class)M3OJ-27HFN1-M1 of 1 models have all five ratings · AHRI 208073243

All-around board, every manufacturer

Newest AC BEST LA certifications

By AHRI reference number; AHRI issues references in increasing order.
The 3 most recently certified AC BEST LA outdoor models
Outdoor modelSize · typeCOP@5°FCap. 5/47HSPF2SEER2MeetsCombosAHRI ref.
M3OJ-27HFN1-MAC BEST LA2.5 tons27,000 Btu/h · Non-ducted1.8371%9.223.5CEE 25CEE 26Xcel1208073243
M2OA-18HFN1-MAC BEST LA1.5 tons18,000 Btu/h · Ducted and non-ducted1.8674%9.819.0CEE 25CEE 26Xcel2208073237
MOX230-09HFN1-BS5WAC BEST LAwith ductless indoor unit MSAG11A-09HRFN1-BS5W1 ton9,000 Btu/h · Non-ducted2.1868%9.121.5CEE 25CEE 261208073226

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