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CanAir vs STEALTH heat pumps

Measured against models of the same size and duct type, CanAir and STEALTH split the 6 ratings 3–3. CanAir has 44 outdoor models, STEALTH has 42 outdoor models. CanAir and STEALTH 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.
CanAir and STEALTH 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, CanAir and STEALTH split the 6 ratings 3–3.
  • CanAir
  • STEALTH
  • Other ranked manufacturers
CanAirSTEALTH

Source: AHRI Directory, NEEP · as of

Average peer percentile, raw median and rank among ranked manufacturers
RatingCanAirSTEALTH
Efficiency index56%median —57%median —
COP at 5°F48% (higher)median 1.9145% (higher)median 1.93
Capacity retention at 5°F57%median 79%61%median 80%
HSPF270% (higher)median 9.569% (higher)median 9.5
SEER257%median 19.061%median 18.3
EER247% (higher)median 11.245% (higher)median 10.5
Heating capacity at 5°F60%median 20,000 Btu/h62%median 22,765 Btu/h
Outdoor models4442
AHRI certifications74119

Share of models meeting each standard

Percent of each manufacturer’s models with a qualifying certification
StandardCanAirSTEALTH
CEE 2025 Tier 1 (Split ASHP)63.6%28 models61.9%26 models
CEE 2026 Tier 1 (Split ASHP)61.4%27 models52.4%22 models
CEE Advanced Tier (Split ASHP)0%0 models2.4%1 models
Xcel Energy Colorado cold-climate ASHP (2025)56.8%25 models47.6%20 models
DOE Cold Climate Heat Pump Challenge0%0 models2.4%1 models
ENERGY STAR Cold Climate59.1%26 models50%21 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
  • CanAir
  • STEALTH
  • 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 typeCanAirSTEALTH
Ducted, up to 1.5 tons6 · index 50%8 · index 60%
Ducted, 2 tons3 · index 57%3 · index 69%
Ducted, 2.5–3 tons10 · index 52%11 · index 54%
Ducted, 3.5–4.5 tons6 · index 49%10 · index 54%
Ducted, 5 tons and up1 · index 42%None
Non-ducted, up to 1.5 tons14 · index 61%10 · index 58%
Non-ducted, 2 tons4 · index 59%2 · index 50%
Non-ducted, 2.5–3 tons6 · index 59%9 · index 59%
Non-ducted, 3.5–4.5 tons1 · index 78%6 · index 52%

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 typeCanAirCold-climate score, best modelSTEALTHCold-climate score, best model
Ducted, up to 1.5 tons63.7(50 is the typical model of its size class)MOX430U-18HFN1-Mwith ducted air handler MAC-24HWDN1-MN0Also listed as CDH2018C214 of 5 models qualify · AHRI 20955033386.9(50 is the typical model of its size class) (higher)ACIQ-18-HPBwith ducted air handler ACIQ-18W-WM7 of 8 models qualify · AHRI 213433305
Ducted, 2 tons67.3(50 is the typical model of its size class)MOX430-24HFN1-MR0with ducted air handler MAC-24HWDN1-MN04 of 4 models qualify · AHRI 20955032879.4(50 is the typical model of its size class) (higher)ACIQ-24ZPL-HP230Bwith ducted air handler ACIQ-24CD-HH-MB3 of 3 models qualify · AHRI 212316167
Ducted, 2.5–3 tons78.6(50 is the typical model of its size class)MOE31U-36HFN1-Mwith ducted air handler MAC-36HWFN1-MAlso listed as CDH2036C217 of 10 models qualify · AHRI 20955033679.9(50 is the typical model of its size class) (higher)ACIQ-36ZPL-HP230Bwith ducted air handler ACIQ-36CD-HH-MB6 of 11 models qualify · AHRI 212316191
Ducted, 3.5–4.5 tons74.9(50 is the typical model of its size class)C28MC548H214 of 6 models qualify · AHRI 20768327286.4(50 is the typical model of its size class) (higher)ACIQ-48ZPL-HP230Bwith ducted air handler ACIQ-48CD-HH-MB6 of 10 models qualify · AHRI 212316192
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 tons89.3(50 is the typical model of its size class)C28SCH06H21with ductless indoor unit C28SEH06H217 of 14 models qualify · AHRI 20768325589.3(50 is the typical model of its size class)ACIQ-06ZPL-HP230Bwith ductless indoor unit ACIQ-06W-HH-MC5 of 10 models qualify · AHRI 212316184
Non-ducted, 2 tons84.5(50 is the typical model of its size class)C28SCH24H21with ductless indoor unit C28SEH24H213 of 4 models qualify · AHRI 20768325985.4(50 is the typical model of its size class) (higher)ACIQ-24ZPL-HP230Bwith ductless indoor unit ACIQ-24FM-HH-MB1 of 2 models qualify · AHRI 212316170
Non-ducted, 2.5–3 tons79.3(50 is the typical model of its size class)C28MC436H222 of 6 models qualify · AHRI 21347940779.3(50 is the typical model of its size class)ACIQ-36Z-HH-M4B3 of 9 models qualify · AHRI 212316177
Non-ducted, 3.5–4.5 tons76.2(50 is the typical model of its size class)C28MC548H211 of 1 models qualify · AHRI 20768327176.8(50 is the typical model of its size class) (higher)ACIQ-60ZPL-HP230Bwith ductless indoor unit ACIQ-60FM-HH-MB4 of 6 models qualify · AHRI 212316196

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 typeCanAirAll-around score, best modelSTEALTHAll-around score, best model
Ducted, up to 1.5 tons63.4(50 is the typical model of its size class)CDH2018C21with ducted air handler CDH2018F215 of 5 models have all five ratings · AHRI 20770656885.2(50 is the typical model of its size class) (higher)ACIQ-09ZPL-HP230Bwith ducted air handler ACIQ-09CD-HH-MB8 of 8 models have all five ratings · AHRI 212316164
Ducted, 2 tons74.1(50 is the typical model of its size class)C28MC324H214 of 4 models have all five ratings · AHRI 20768326680.1(50 is the typical model of its size class) (higher)ACIQ-24ZPL-HP230Bwith ducted air handler ACIQ-24CD-HH-MB3 of 3 models have all five ratings · AHRI 212316167
Ducted, 2.5–3 tons74.6(50 is the typical model of its size class)C28MC328H2110 of 10 models have all five ratings · AHRI 21347940575.4(50 is the typical model of its size class) (higher)ES-27Z-M3B11 of 11 models have all five ratings · AHRI 212316210
Ducted, 3.5–4.5 tons82.0(50 is the typical model of its size class)C28MC548H216 of 6 models have all five ratings · AHRI 20768327282.0(50 is the typical model of its size class)ACIQ-48Z-HH-M5B9 of 9 models have all five ratings · AHRI 212316181
Ducted, 5 tons and up41.7(50 is the typical model of its size class)CDH2060C21with ducted air handler CDH2060F211 of 1 models have all five ratings · AHRI 20810122841.7(50 is the typical model of its size class)ACIQ-60-EHPBwith ducted air handler ACIQ-60AHB1 of 1 models have all five ratings · AHRI 213433299
Non-ducted, up to 1.5 tons92.0(50 is the typical model of its size class)C28SCH06H21with ductless indoor unit C28SEH06H2114 of 14 models have all five ratings · AHRI 20768325592.0(50 is the typical model of its size class)ACIQ-06ZPL-HP230Bwith ductless indoor unit ACIQ-06W-HH-MC10 of 10 models have all five ratings · AHRI 212316184
Non-ducted, 2 tons84.3(50 is the typical model of its size class)C28SCH24H21with ductless indoor unit C28SEH24H214 of 4 models have all five ratings · AHRI 20768325984.3(50 is the typical model of its size class)ACIQ-24ZPL-HP230Bwith ductless indoor unit ACIQ-24W-HH-MB2 of 2 models have all five ratings · AHRI 212316160
Non-ducted, 2.5–3 tons82.8(50 is the typical model of its size class)C28MC436H225 of 6 models have all five ratings · AHRI 21347940782.8(50 is the typical model of its size class)ACIQ-36Z-HH-M4B7 of 9 models have all five ratings · AHRI 212316177
Non-ducted, 3.5–4.5 tons77.9(50 is the typical model of its size class)C28MC548H211 of 1 models have all five ratings · AHRI 20768327177.9(50 is the typical model of its size class)ACIQ-48Z-HH-M5B6 of 6 models have all five ratings · AHRI 212316180

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
RatingCanAirSTEALTH
COP at 5°Fbeats 97% · 2.39C25SCH12H21Non-ducted, up to 1.5 tonsbeats 91% · 2.21ACIQ-24ZPL-HP230BNon-ducted, 2 tons
Capacity retention at 5°Fbeats 92% · 107%C28SCH06H21Non-ducted, up to 1.5 tonsbeats 95% · 113%ACIQ-06ZPL-HP230BNon-ducted, up to 1.5 tons
HSPF2beats 98% · 13.6C28SCH06H21Non-ducted, up to 1.5 tonsbeats 99% · 10.3ACIQ-48ZPL-HP230BDucted, 3.5–4.5 tons
SEER2beats 99% · 24.6C28MC324H21Non-ducted, 2 tonsbeats 99% · 24.6ES-27Z-M3BNon-ducted, 2.5–3 tons
EER2beats 98% · 16.2C28SCH09H21Non-ducted, up to 1.5 tonsbeats 98% · 16.2ACIQ-09ZPL-HP230BNon-ducted, up to 1.5 tons
Heating capacity at 5°Fbeats 96% · 20,000 Btu/hC28MC218H22Non-ducted, up to 1.5 tonsbeats 99% · 56,500 Btu/hACIQ-60ZPL-HP230BNon-ducted, 3.5–4.5 tons

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