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AI AIR CONDITIONING vs ECO AC heat pumps

Measured against models of the same size and duct type, AI AIR CONDITIONING and ECO AC split the 6 ratings 3–3. AI AIR CONDITIONING has 48 outdoor models, ECO AC has 49 outdoor models. AI AIR CONDITIONING and ECO AC have no QMID on file and are not ranked.

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CompareData as of updated · sources

Against comparable models

Each cell is the share of same-size, same-type models that the manufacturer’s typical model beats (50% is typical); the higher score is in bold. Raw medians are underneath for context: they depend on which sizes each one makes, so they are not compared.
AI AIR CONDITIONING and ECO AC on every ratingPeer scores, 0–100 · grey ticks: every ranked manufacturer · shaded: the middle half of each one’s modelsMeasured against models of the same size and duct type, AI AIR CONDITIONING and ECO AC split the 6 ratings 3–3.
  • AI AIR CONDITIONING
  • ECO AC
  • Other ranked manufacturers
AI AIR C…ECO AC

Source: AHRI Directory, NEEP · as of

Average peer percentile, raw median and rank among ranked manufacturers
RatingAI AIR CONDITIONINGECO AC
Efficiency index60% (higher)median —59% (higher)median —
COP at 5°F49% (higher)median 1.9047% (higher)median 1.90
Capacity retention at 5°F57%median 72%61%median 80%
HSPF270% (higher)median 9.664% (higher)median 9.5
SEER268% (higher)median 21.065% (higher)median 20.5
EER256%median 12.057%median 12.0
Heating capacity at 5°F56%median 19,471 Btu/h59%median 20,000 Btu/h
Outdoor models4849
AHRI certifications7090

Share of models meeting each standard

Percent of each manufacturer’s models with a qualifying certification
StandardAI AIR CONDITIONINGECO AC
CEE 2025 Tier 1 (Split ASHP)79.2%38 models85.7%42 models
CEE 2026 Tier 1 (Split ASHP)72.9%35 models77.6%38 models
CEE Advanced Tier (Split ASHP)0%0 models0%0 models
Xcel Energy Colorado cold-climate ASHP (2025)56.3%27 models73.5%36 models
DOE Cold Climate Heat Pump Challenge0%0 models0%0 models
ENERGY STAR Cold Climate56.3%27 models73.5%36 models

Sizes and duct types offered

Models in each peer group, with the efficiency index of those models against the rest of the group.
Side by side, inside each size and duct typeShape: every model of the group · bars: each manufacturer’s middle half, median dot, 10th–90th line · 8 groups where both have models
  • AI AIR CONDITIONING
  • ECO AC
  • 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

Raw ratings are only placed side by side within one size and duct type, where they are comparable.

Source: AHRI Directory · as of

Models per peer group · efficiency index within the group
Size and duct typeAI AIR CONDITIONINGECO AC
Ducted, up to 1.5 tons4 · index 54%9 · index 62%
Ducted, 2 tons2 · index 59%5 · index 68%
Ducted, 2.5–3 tons8 · index 62%10 · index 57%
Ducted, 3.5–4.5 tons7 · index 60%5 · index 59%
Ducted, 5 tons and up1 · index 42%None
Non-ducted, up to 1.5 tons20 · index 64%22 · index 57%
Non-ducted, 2 tons4 · index 62%5 · index 58%
Non-ducted, 2.5–3 tons8 · index 58%10 · index 59%
Non-ducted, 3.5–4.5 tons4 · index 51%2 · index 57%

Cold-climate and all-around picks, size class by size class

Each manufacturer’s best model on each board in every size and duct type, side by side; the higher score is in bold. Both scores are 0–100 against every model of that size class (the line on each bar is 50, the typical model there), so the two compare fairly even when they make different sizes.

Cold-climate picks

Best cold-climate pick per size and duct type (keeps at least 70% of its heat at 5°F). 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.
Size and duct typeAI AIR CONDITIONINGCold-climate score, best modelECO ACCold-climate score, best model
Ducted, up to 1.5 tons60.4(50 is the typical model of its size class)AUO18-18N1-M3Hwith ducted air handler AUH2-18N1-BM3E3 of 4 models qualify · AHRI 21376992270.4(50 is the typical model of its size class) (higher)EHH-O9BBwith ducted air handler EHH-D09BAAlso listed as EHH-O09BB8 of 9 models qualify · AHRI 207825494
Ducted, 2 tons66.5(50 is the typical model of its size class)AUO18-24N1-M3Hwith ducted air handler AUH2-24N1-BM3E2 of 2 models qualify · AHRI 21376992380.3(50 is the typical model of its size class) (higher)EHH-O24BAwith ducted air handler EHH-D24BAAlso listed as EHH-O24BB4 of 4 models qualify · AHRI 206902027
Ducted, 2.5–3 tons80.4(50 is the typical model of its size class) (higher)A3MO22-27N1-M1H5 of 8 models qualify · AHRI 21376995674.7(50 is the typical model of its size class)EHI-O36BAHwith ducted air handler EHI-V36BA9 of 11 models qualify · AHRI 211253518
Ducted, 3.5–4.5 tons74.9(50 is the typical model of its size class)A5MO22-48N1-M1H4 of 7 models qualify · AHRI 21376996274.9(50 is the typical model of its size class)EMH-5O48BBH4 of 5 models qualify · AHRI 213088007
Ducted, 5 tons and upNone on this board (0 of 1 models qualify)No models in this size class
Non-ducted, up to 1.5 tons86.0(50 is the typical model of its size class) (higher)AO24-09N1-M1Hwith ductless indoor unit AW25-09N1-M112 of 20 models qualify · AHRI 21376993880.2(50 is the typical model of its size class)EHH-O9BBwith ductless indoor unit EHH-W09BBAlso listed as EHH-O09BB16 of 22 models qualify · AHRI 207825490
Non-ducted, 2 tons84.5(50 is the typical model of its size class) (higher)AO29-24N1-M1Hwith ductless indoor unit AW29-24N1-M13 of 4 models qualify · AHRI 21376995076.1(50 is the typical model of its size class)EMH-3O24KBA3 of 5 models qualify · AHRI 215420705
Non-ducted, 2.5–3 tons87.0(50 is the typical model of its size class) (higher)A4MO22-36N1-M1H4 of 8 models qualify · AHRI 21376995873.7(50 is the typical model of its size class)EMH-5O42KBA8 of 10 models qualify · AHRI 215420703
Non-ducted, 3.5–4.5 tons80.5(50 is the typical model of its size class)A5MO22-48N1-M1H2 of 4 models qualify · AHRI 21376996180.5(50 is the typical model of its size class)EMH-5O48BBH1 of 2 models qualify · AHRI 213088006

All-around best

Best all-around model per size and duct type. 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.
Size and duct typeAI AIR CONDITIONINGAll-around score, best modelECO ACAll-around score, best model
Ducted, up to 1.5 tons63.4(50 is the typical model of its size class)AUO18-18N1-M3Hwith ducted air handler AUH2-18N1-BM3E4 of 4 models have all five ratings · AHRI 21376992278.5(50 is the typical model of its size class) (higher)EHH-O18BBwith ducted air handler EHH-D18BA9 of 9 models have all five ratings · AHRI 207825496
Ducted, 2 tons65.8(50 is the typical model of its size class)AUO18-24N1-M3Hwith ducted air handler AUH2-24N1-BM3E2 of 2 models have all five ratings · AHRI 21376992383.8(50 is the typical model of its size class) (higher)EHH-O24BAwith ducted air handler EHH-D24BAAlso listed as EHH-O24BB5 of 5 models have all five ratings · AHRI 206902027
Ducted, 2.5–3 tons83.7(50 is the typical model of its size class) (higher)A4MO22-36N1-M1H8 of 8 models have all five ratings · AHRI 21376995974.6(50 is the typical model of its size class)EMH-3O27BBH10 of 10 models have all five ratings · AHRI 210586155
Ducted, 3.5–4.5 tons82.0(50 is the typical model of its size class)A5MO22-48N1-M1H7 of 7 models have all five ratings · AHRI 21376996282.0(50 is the typical model of its size class)EMH-5O48BBH5 of 5 models have all five ratings · AHRI 213088007
Ducted, 5 tons and up41.7(50 is the typical model of its size class)AUO17-60N1-M3with ducted air handler AUH2-60N1-DM3E1 of 1 models have all five ratings · AHRI 214296082No models in this size class
Non-ducted, up to 1.5 tons88.8(50 is the typical model of its size class) (higher)AO29-09N1-M1Hwith ductless indoor unit AW29-09N1-M120 of 20 models have all five ratings · AHRI 21376994788.7(50 is the typical model of its size class)EHP-O09KBAwith ductless indoor unit EHP-W09KBA22 of 22 models have all five ratings · AHRI 215416013
Non-ducted, 2 tons84.3(50 is the typical model of its size class) (higher)AO29-24N1-M1Hwith ductless indoor unit AW29-24N1-M14 of 4 models have all five ratings · AHRI 21376995076.3(50 is the typical model of its size class)EHP-O24KBAwith ductless indoor unit EHP-W24KBA5 of 5 models have all five ratings · AHRI 215416011
Non-ducted, 2.5–3 tons76.8(50 is the typical model of its size class) (higher)A4MO22-36N1-M1H8 of 8 models have all five ratings · AHRI 21376995870.8(50 is the typical model of its size class)EMH-4O36BBH10 of 10 models have all five ratings · AHRI 210586157
Non-ducted, 3.5–4.5 tons73.8(50 is the typical model of its size class)A5MO22-48N1-M1H4 of 4 models have all five ratings · AHRI 21376996173.8(50 is the typical model of its size class)EMH-5O48BBH2 of 2 models have all five ratings · AHRI 213088006

All-around board, every manufacturer

Standout model on each rating

Each manufacturer’s model that beats the largest share of comparable models on the rating; the higher share is in bold.
Top model per rating by peer percentile, with its AHRI-certified value and peer group
RatingAI AIR CONDITIONINGECO AC
COP at 5°Fbeats 96% · 2.22AO24-24N1-M1HNon-ducted, 2 tonsbeats 96% · 2.38EHH-O18BBNon-ducted, up to 1.5 tons
Capacity retention at 5°Fbeats 96% · 101%A3MO22-27N1-M1HDucted, 2.5–3 tonsbeats 99% · 144%EHP-O09KBANon-ducted, up to 1.5 tons
HSPF2beats 100% · 14.5AO29-12N1-M1HNon-ducted, up to 1.5 tonsbeats 98% · 11.2EHH-O24BAAlso listed as EHH-O24BBDucted, 2 tons
SEER2beats 99% · 29.0AO29-09N1-M1HNon-ducted, up to 1.5 tonsbeats 99% · 20.9EMH-5O48BBHDucted, 3.5–4.5 tons
EER2beats 99% · 16.5AO29-09N1-M1HNon-ducted, up to 1.5 tonsbeats 99% · 16.6EHP-O09KBANon-ducted, up to 1.5 tons
Heating capacity at 5°Fbeats 96% · 20,000 Btu/hA2MO22-18N1-M1HNon-ducted, up to 1.5 tonsbeats 96% · 20,000 Btu/hEMH-2O18BBHNon-ducted, up to 1.5 tons

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