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.

NG Trade and Stelpro 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, Stelpro scores higher on 5 of the 6 ratings.

NG Trade
Stelpro
Other ranked manufacturers

Source: AHRI Directory, NEEP · as of Oct 11, 2026

Average peer percentile, raw median and rank among ranked manufacturers
Rating	NG Trade	Stelpro
Efficiency index	54%median —	67%median —
COP at 5°F	63% (higher)median 2.01	51% (higher)median 1.99
Capacity retention at 5°F	38%median 70%	77%median 94%
HSPF2	56%median 9.3	78%median 10.2
SEER2	62%median 21.0	67%median 20.8
EER2	47%median 11.9	62%median 12.0
Heating capacity at 5°F	46%median 14,950 Btu/h	76%median 25,600 Btu/h
Outdoor models	32	32
AHRI certifications	45	91

Share of models meeting each standard

Percent of each manufacturer’s models with a qualifying certification
Standard	NG Trade	Stelpro
CEE 2025 Tier 1 (Split ASHP)	84.4%27 models	87.5%28 models
CEE 2026 Tier 1 (Split ASHP)	81.3%26 models	87.5%28 models
CEE Advanced Tier (Split ASHP)	0%0 models	0%0 models
Xcel Energy Colorado cold-climate ASHP (2025)	53.1%17 models	93.8%30 models
DOE Cold Climate Heat Pump Challenge	0%0 models	0%0 models
ENERGY STAR Cold Climate	56.3%18 models	78.1%25 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

NG Trade
Stelpro
All models of the group

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

Source: AHRI Directory · as of Oct 11, 2026

Models per peer group · efficiency index within the group
Size and duct type	NG Trade	Stelpro
Ducted, up to 1.5 tons	3 · index 59%	5 · index 79%
Ducted, 2 tons	2 · index 58%	3 · index 60%
Ducted, 2.5–3 tons	5 · index 62%	8 · index 68%
Ducted, 3.5–4.5 tons	3 · index 54%	8 · index 64%
Ducted, 5 tons and up	1 · index 65%	None
Non-ducted, up to 1.5 tons	14 · index 52%	11 · index 63%
Non-ducted, 2 tons	4 · index 52%	3 · index 55%
Non-ducted, 2.5–3 tons	6 · index 51%	4 · index 76%
Non-ducted, 3.5–4.5 tons	1 · index 51%	4 · index 67%
Non-ducted, 5 tons and up	1 · index 27%	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 type	NG TradeCold-climate score, best model	StelproCold-climate score, best model
Ducted, up to 1.5 tons	72.6(50 is the typical model of its size class)MOBMH180D2 of 3 models qualify · AHRI 216598389	82.3(50 is the typical model of its size class) (higher)SEPB-H18A-Owith ducted air handler SFCB1-H18A-I5 of 5 models qualify · AHRI 216082337
Ducted, 2 tons	59.7(50 is the typical model of its size class)EZCENO24Kwith ducted air handler EZCENI24K2 of 2 models qualify · AHRI 216763022	85.7(50 is the typical model of its size class) (higher)SEPB-H24A-Owith ducted air handler SFCB1-H24A-I3 of 3 models qualify · AHRI 216082339
Ducted, 2.5–3 tons	73.8(50 is the typical model of its size class)MOSA323014 of 5 models qualify · AHRI 217501893	82.5(50 is the typical model of its size class) (higher)SMZ4B1-H36A-OAlso listed as SMZ4B1V-H36A-O8 of 8 models qualify · AHRI 216617677
Ducted, 3.5–4.5 tons	77.9(50 is the typical model of its size class)MOBMH480D3 of 3 models qualify · AHRI 216598398	82.7(50 is the typical model of its size class) (higher)SMZ5B1-H48A-OAlso listed as SMZ5B1V-H48A-O8 of 8 models qualify · AHRI 216617680
Ducted, 5 tons and up	None on this board (0 of 1 models qualify)	No models in this size class
Non-ducted, up to 1.5 tons	85.9(50 is the typical model of its size class) (higher)OMSTAR091Ewith ductless indoor unit IMSTAR091E7 of 14 models qualify · AHRI 216732475	82.4(50 is the typical model of its size class)SELB-H09A-Owith ductless indoor unit SELB-H09A-I9 of 11 models qualify · AHRI 216445285
Non-ducted, 2 tons	63.5(50 is the typical model of its size class)OMSTAR241Ewith ductless indoor unit IMSTAR241E3 of 4 models qualify · AHRI 216732478	89.4(50 is the typical model of its size class) (higher)SEPB-H24A-Owith ductless indoor unit SICB1-H24A-I3 of 3 models qualify · AHRI 216082332
Non-ducted, 2.5–3 tons	57.4(50 is the typical model of its size class)MOSA323013 of 6 models qualify · AHRI 218029190	78.0(50 is the typical model of its size class) (higher)SMZ4B1-H36A-OAlso listed as SMZ4B1V-H36A-O4 of 4 models qualify · AHRI 216617678
Non-ducted, 3.5–4.5 tons	60.1(50 is the typical model of its size class)MOBMH480D1 of 1 models qualify · AHRI 216598399	73.4(50 is the typical model of its size class) (higher)SMZ5B1-H48A-OAlso listed as SMZ5B1V-H48A-O4 of 4 models qualify · AHRI 216617681
Non-ducted, 5 tons and up	None on this board (0 of 1 models qualify)	No 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 type	NG TradeAll-around score, best model	StelproAll-around score, best model
Ducted, up to 1.5 tons	74.1(50 is the typical model of its size class)MOBMH180D3 of 3 models have all five ratings · AHRI 216598389	86.5(50 is the typical model of its size class) (higher)SEPB-H09A-Owith ducted air handler SFCB1-H09A-I5 of 5 models have all five ratings · AHRI 216082334
Ducted, 2 tons	64.5(50 is the typical model of its size class)MOBMH270D2 of 2 models have all five ratings · AHRI 216598392	78.4(50 is the typical model of its size class) (higher)SEPB-H24A-Owith ducted air handler SFCB1-H24A-I3 of 3 models have all five ratings · AHRI 216082339
Ducted, 2.5–3 tons	80.7(50 is the typical model of its size class)MOSA323015 of 5 models have all five ratings · AHRI 217501893	83.6(50 is the typical model of its size class) (higher)SMZ4B1-H36A-OAlso listed as SMZ4B1V-H36A-O8 of 8 models have all five ratings · AHRI 216617677
Ducted, 3.5–4.5 tons	85.1(50 is the typical model of its size class) (higher)MOBMH480D3 of 3 models have all five ratings · AHRI 216598398	83.9(50 is the typical model of its size class)SMZ5B1-H48A-OAlso listed as SMZ5B1V-H48A-O8 of 8 models have all five ratings · AHRI 216617680
Ducted, 5 tons and up	64.7(50 is the typical model of its size class)MOBMH600D1 of 1 models have all five ratings · AHRI 216598401	No models in this size class
Non-ducted, up to 1.5 tons	86.7(50 is the typical model of its size class) (higher)OMSTAR091Ewith ductless indoor unit IMSTAR091E14 of 14 models have all five ratings · AHRI 216732475	83.9(50 is the typical model of its size class)SELB-H09A-Owith ductless indoor unit SELB-H09A-I11 of 11 models have all five ratings · AHRI 216445285
Non-ducted, 2 tons	74.3(50 is the typical model of its size class)OMSTAR241Ewith ductless indoor unit IMSTAR241E4 of 4 models have all five ratings · AHRI 216732478	76.4(50 is the typical model of its size class) (higher)SEPB-H24A-Owith ductless indoor unit SEPB-H24A-I3 of 3 models have all five ratings · AHRI 216082326
Non-ducted, 2.5–3 tons	66.6(50 is the typical model of its size class)MOSA323015 of 6 models have all five ratings · AHRI 218029190	78.3(50 is the typical model of its size class) (higher)SMZ4B1-H36A-OAlso listed as SMZ4B1V-H36A-O4 of 4 models have all five ratings · AHRI 216617676
Non-ducted, 3.5–4.5 tons	52.8(50 is the typical model of its size class)MOBMH480D1 of 1 models have all five ratings · AHRI 216598399	75.6(50 is the typical model of its size class) (higher)SMZ5B1-H48A-OAlso listed as SMZ5B1V-H48A-O4 of 4 models have all five ratings · AHRI 216617679
Non-ducted, 5 tons and up	32.5(50 is the typical model of its size class)MOBMH600D1 of 1 models have all five ratings · AHRI 216598400	No 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
Rating	NG Trade	Stelpro
COP at 5°F	beats 96% · 2.21OSA32341Non-ducted, 2.5–3 tons	beats 94% · 2.34SEPB-H24A-ONon-ducted, 2 tons
Capacity retention at 5°F	beats 80% · 67%MOBMH600DDucted, 5 tons and up	beats 98% · 120%SEPB-H09A-ODucted, up to 1.5 tons
HSPF2	beats 96% · 13.0OMSTAR091ENon-ducted, up to 1.5 tons	beats 99% · 11.0SMZ5B1-H48A-OAlso listed as SMZ5B1V-H48A-ODucted, 3.5–4.5 tons
SEER2	beats 96% · 20.4MOBMH480DDucted, 3.5–4.5 tons	beats 96% · 20.4SMZ5B1-H48A-OAlso listed as SMZ5B1V-H48A-ODucted, 3.5–4.5 tons
EER2	beats 88% · 14.7OMSTAR091ENon-ducted, up to 1.5 tons	beats 95% · 14.0SEPB-H09A-ODucted, up to 1.5 tons
Heating capacity at 5°F	beats 85% · 14,500 Btu/hMOSA32181Non-ducted, up to 1.5 tons	beats 97% · 19,000 Btu/hSMZ2B1-H18A-OAlso listed as SMZ2B1V-H18A-ONon-ducted, up to 1.5 tons

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NG Trade vs Stelpro heat pumps