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BreezeAero vs MITS AIR heat pumps

Measured against models of the same size and duct type, MITS AIR scores higher on 6 of the 6 ratings. BreezeAero has 6 outdoor models, MITS AIR has 6 outdoor models. BreezeAero and MITS AIR 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.
BreezeAero and MITS AIR 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, MITS AIR scores higher on 6 of the 6 ratings.
  • BreezeAero
  • MITS AIR
  • Other ranked manufacturers
BreezeAe…MITS AIR

Source: AHRI Directory, NEEP · as of

Average peer percentile, raw median and rank among ranked manufacturers
RatingBreezeAeroMITS AIR
Efficiency index38%median —58%median —
COP at 5°F32%median 1.8042%median 1.90
Capacity retention at 5°F42%median 74%80%median 93%
HSPF254%median 9.876%median 9.8
SEER241%median 20.055%median 16.7
EER224%median 10.847%median 11.7
Heating capacity at 5°F44%median 13,000 Btu/h84%median 35,800 Btu/h
Outdoor models66
AHRI certifications620

Share of models meeting each standard

Percent of each manufacturer’s models with a qualifying certification
StandardBreezeAeroMITS AIR
CEE 2025 Tier 1 (Split ASHP)66.7%4 models100%6 models
CEE 2026 Tier 1 (Split ASHP)66.7%4 models100%6 models
CEE Advanced Tier (Split ASHP)0%0 models0%0 models
Xcel Energy Colorado cold-climate ASHP (2025)66.7%4 models100%6 models
DOE Cold Climate Heat Pump Challenge0%0 models0%0 models
ENERGY STAR Cold Climate0%0 models100%6 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 · 0 groups where both have models
  • BreezeAero
  • MITS AIR
  • 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 modelsNon-ducted, up to 1.5 tons1.953,455 modelsNon-ducted, 2 tons2.00863 modelsNon-ducted, 2.5–3 tons2.001,106 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 typeBreezeAeroMITS AIR
Ducted, up to 1.5 tonsNone1 · index 63%
Ducted, 2 tonsNone1 · index 61%
Ducted, 2.5–3 tonsNone2 · index 65%
Ducted, 3.5–4.5 tonsNone2 · index 48%
Non-ducted, up to 1.5 tons4 · index 40%None
Non-ducted, 2 tons1 · index 27%None
Non-ducted, 2.5–3 tons1 · index 39%None

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 typeBreezeAeroCold-climate score, best modelMITS AIRCold-climate score, best model
Ducted, up to 1.5 tonsNo models in this size class72.8(50 is the typical model of its size class)MAMOX430-18HFN10-M3Xwith ducted air handler MAMVBM-24A18T3N101 of 1 models qualify · AHRI 216621516
Ducted, 2 tonsNo models in this size class66.3(50 is the typical model of its size class)MAMOX430-24HFN10-M3Xwith ducted air handler MAMVBC-24HWFN10-MB3E-D1 of 1 models qualify · AHRI 216621511
Ducted, 2.5–3 tonsNo models in this size class73.1(50 is the typical model of its size class)MAMOX630-36HFN10-M3Xwith ducted air handler MAMVBC-36HWFN10-MC3E-D2 of 2 models qualify · AHRI 216621513
Ducted, 3.5–4.5 tonsNo models in this size class68.8(50 is the typical model of its size class)MAMOX630-48HFN10-M3Xwith ducted air handler MAMVBC-48HWFN10-MD3E-D2 of 2 models qualify · AHRI 216621514
Non-ducted, up to 1.5 tons62.1(50 is the typical model of its size class)ACA-2535B3 of 4 models qualify · AHRI 218361441No models in this size class
Non-ducted, 2 tonsNone on this board (0 of 1 models qualify)No models in this size class
Non-ducted, 2.5–3 tons47.6(50 is the typical model of its size class)ACA-2537B1 of 1 models qualify · AHRI 218361442No models in this size class

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 typeBreezeAeroAll-around score, best modelMITS AIRAll-around score, best model
Ducted, up to 1.5 tonsNo models in this size class71.7(50 is the typical model of its size class)MAMOX430-18HFN10-M3Xwith ducted air handler MAMVBC-18HWFN10-MB3E-D1 of 1 models have all five ratings · AHRI 216621510
Ducted, 2 tonsNo models in this size class61.0(50 is the typical model of its size class)MAMOX430-24HFN10-M3Xwith ducted air handler MAMVBC-24HWFN10-MB3E-D1 of 1 models have all five ratings · AHRI 216621511
Ducted, 2.5–3 tonsNo models in this size class67.3(50 is the typical model of its size class)MAMOX630-36HFN10-M3Xwith ducted air handler MAMVBC-36HWFN10-MC3E-D2 of 2 models have all five ratings · AHRI 216621513
Ducted, 3.5–4.5 tonsNo models in this size class57.1(50 is the typical model of its size class)MAMOX630-48HFN10-M3Xwith ducted air handler MAMVBC-48HWFN10-MD3E-D2 of 2 models have all five ratings · AHRI 216621514
Non-ducted, up to 1.5 tons62.2(50 is the typical model of its size class)ACA-2535B4 of 4 models have all five ratings · AHRI 218361441No models in this size class
Non-ducted, 2 tons27.4(50 is the typical model of its size class)ACA-2520Bwith ductless indoor unit ACA-2519B1 of 1 models have all five ratings · AHRI 218361440No models in this size class
Non-ducted, 2.5–3 tons38.7(50 is the typical model of its size class)ACA-2537B1 of 1 models have all five ratings · AHRI 218361442No models in this size class

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
RatingBreezeAeroMITS AIR
COP at 5°Fbeats 63% · 2.00ACA-2535BNon-ducted, up to 1.5 tonsbeats 72% · 2.06MAMOX430-18HFN10-M3XDucted, up to 1.5 tons
Capacity retention at 5°Fbeats 61% · 80%ACA-2514BNon-ducted, up to 1.5 tonsbeats 97% · 107%MAMOD30-30HFN10-M3XDucted, 2.5–3 tons
HSPF2beats 64% · 10.0ACA-2516BNon-ducted, up to 1.5 tonsbeats 91% · 10.3MAMOX630-36HFN10-M3XDucted, 2.5–3 tons
SEER2beats 84% · 25.0ACA-2535BNon-ducted, up to 1.5 tonsbeats 66% · 19.0MAMOX430-18HFN10-M3XDucted, up to 1.5 tons
EER2beats 44% · 12.0ACA-2514BNon-ducted, up to 1.5 tonsbeats 76% · 12.5MAMOX430-18HFN10-M3XDucted, up to 1.5 tons
Heating capacity at 5°Fbeats 83% · 14,000 Btu/hACA-2535BNon-ducted, up to 1.5 tonsbeats 97% · 39,000 Btu/hMAMOX630-36HFN10-M3XDucted, 2.5–3 tons

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