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ECO-AIR vs RUSSELL heat pumps

Measured against models of the same size and duct type, ECO-AIR scores higher on 6 of the 6 ratings. ECO-AIR has 60 outdoor models, RUSSELL has 111 outdoor models. ECO-AIR and RUSSELL 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.
ECO-AIR and RUSSELL 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, ECO-AIR scores higher on 6 of the 6 ratings.
  • ECO-AIR
  • RUSSELL
  • Other ranked manufacturers
ECO-AIRRUSSELL

Source: AHRI Directory, NEEP · as of

Average peer percentile, raw median and rank among ranked manufacturers
RatingECO-AIRRUSSELL
Efficiency index65% (higher)median —33% (higher)median —
COP at 5°F62% (higher)median 2.0037% (higher)median 1.82
Capacity retention at 5°F61% (higher)median 81%21% (higher)median 45%
HSPF273% (higher)median 9.924% (higher)median 7.2
SEER269% (higher)median 20.728% (higher)median 14.3
EER259% (higher)median 12.036% (higher)median 10.6
Heating capacity at 5°F64% (higher)median 25,100 Btu/h21% (higher)median 18,000 Btu/h
Outdoor models60111
AHRI certifications2882,007

Share of models meeting each standard

Percent of each manufacturer’s models with a qualifying certification
StandardECO-AIRRUSSELL
CEE 2025 Tier 1 (Split ASHP)90%54 models10.8%12 models
CEE 2026 Tier 1 (Split ASHP)88.3%53 models9%10 models
CEE Advanced Tier (Split ASHP)1.7%1 models0%0 models
Xcel Energy Colorado cold-climate ASHP (2025)80%48 models7.2%8 models
DOE Cold Climate Heat Pump Challenge1.7%1 models0%0 models
ENERGY STAR Cold Climate81.7%49 models11.7%13 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 · 5 groups where both have models
  • ECO-AIR
  • RUSSELL
  • 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 modelsDucted, 5 tons and up2.00321 modelsNon-ducted, up to 1.5 tons1.953,455 modelsNon-ducted, 2 tons2.00863 modelsNon-ducted, 2.5–3 tons2.001,106 modelsNon-ducted, 3.5–4.5 tons2.00564 modelsNon-ducted, 5 tons and up2.0585 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 typeECO-AIRRUSSELL
Ducted, up to 1.5 tons13 · index 75%2 · index 27%
Ducted, 2 tons6 · index 63%12 · index 29%
Ducted, 2.5–3 tons13 · index 66%33 · index 31%
Ducted, 3.5–4.5 tons14 · index 66%44 · index 36%
Ducted, 5 tons and up3 · index 63%20 · index 33%
Non-ducted, up to 1.5 tons18 · index 63%None
Non-ducted, 2 tons3 · index 64%None
Non-ducted, 2.5–3 tons13 · index 59%None
Non-ducted, 3.5–4.5 tons8 · index 60%None
Non-ducted, 5 tons and up2 · index 59%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 typeECO-AIRCold-climate score, best modelRUSSELLCold-climate score, best model
Ducted, up to 1.5 tons93.5(50 is the typical model of its size class)EDSO-06Hwith ducted air handler EDLS-06U12 of 13 models qualify · AHRI 216759958None on this board (0 of 2 models qualify)
Ducted, 2 tons85.7(50 is the typical model of its size class) (higher)EDSO-24Hwith ducted air handler EDHS-24U6 of 6 models qualify · AHRI 21675996870.3(50 is the typical model of its size class)RD18AY24AJVCwith indoor coil TCFY2417STANM and furnace S962V0603A17M42 of 12 models qualify · AHRI 217906632
Ducted, 2.5–3 tons83.2(50 is the typical model of its size class) (higher)EDSO-36Hwith ducted air handler EDHS-36U11 of 13 models qualify · AHRI 21675996978.1(50 is the typical model of its size class)RD18AY36AJVCwith indoor coil TCFY3621MTANM and furnace S801V0504A17UHS2 of 33 models qualify · AHRI 216892076
Ducted, 3.5–4.5 tons82.7(50 is the typical model of its size class) (higher)EDMO-48HAlso sold as Eco Air EDMO-48H-6GX14 of 14 models qualify · AHRI 21676001080.9(50 is the typical model of its size class)SP19AY48AJVCwith indoor coil TCFY4821SEAAM and furnace S802V0754A17DZ4 of 44 models qualify · AHRI 216051255
Ducted, 5 tons and upNone on this board (0 of 3 models qualify)None on this board (0 of 20 models qualify)
Non-ducted, up to 1.5 tons96.7(50 is the typical model of its size class)EDSO-06Hwith ductless indoor unit EDWM-06U14 of 18 models qualify · AHRI 216759979No models in this size class
Non-ducted, 2 tons89.4(50 is the typical model of its size class)EDSO-24Hwith ductless indoor unit ED4W-24U3 of 3 models qualify · AHRI 216759948No models in this size class
Non-ducted, 2.5–3 tons78.0(50 is the typical model of its size class)EDMO-36HAlso sold as Eco Air EDMO-36H-5GX11 of 13 models qualify · AHRI 216760008No models in this size class
Non-ducted, 3.5–4.5 tons73.4(50 is the typical model of its size class)EDMO-48HAlso sold as Eco Air EDMO-48H-6GX8 of 8 models qualify · AHRI 216760011No models in this size class
Non-ducted, 5 tons and upNone on this board (0 of 2 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 typeECO-AIRAll-around score, best modelRUSSELLAll-around score, best model
Ducted, up to 1.5 tons95.0(50 is the typical model of its size class) (higher)EDSO-06Hwith ducted air handler EDLS-06U13 of 13 models have all five ratings · AHRI 21675995838.2(50 is the typical model of its size class)SP15AY18AJ2Nwith ducted air handler RF2TY2421STANS2 of 2 models have all five ratings · AHRI 216533447
Ducted, 2 tons78.8(50 is the typical model of its size class) (higher)EDSO-24Ewith ducted air handler EDHS-24U6 of 6 models have all five ratings · AHRI 21675997574.3(50 is the typical model of its size class)SP19AY24AJVCwith indoor coil TCFY2421HEAAM and furnace S972V0603A17UPS12 of 12 models have all five ratings · AHRI 218728661
Ducted, 2.5–3 tons83.6(50 is the typical model of its size class)EDMO-36HAlso sold as Eco Air EDMO-36H-5GX13 of 13 models have all five ratings · AHRI 21676000784.1(50 is the typical model of its size class) (higher)RD18AY36AJVCwith ducted air handler SH2VY3621MTACN19 of 33 models have all five ratings · AHRI 217166015
Ducted, 3.5–4.5 tons85.1(50 is the typical model of its size class) (higher)EDMO-48EAlso sold as Eco Air EDMO-48E-6GX14 of 14 models have all five ratings · AHRI 21675999584.1(50 is the typical model of its size class)SP19AY48AJVCwith indoor coil TCFY4821SEAAM and furnace S802V0754A17UH23 of 43 models have all five ratings · AHRI 216051262
Ducted, 5 tons and up65.3(50 is the typical model of its size class) (higher)EDSO-60Ewith ducted air handler EDHS-60U3 of 3 models have all five ratings · AHRI 21675997856.6(50 is the typical model of its size class)SP15AY60AJ2Nwith ducted air handler SH2CY6024STANN11 of 21 models have all five ratings · AHRI 215415481
Non-ducted, up to 1.5 tons96.2(50 is the typical model of its size class)EDSO-06Hwith ductless indoor unit EDWM-06U18 of 18 models have all five ratings · AHRI 216759979No models in this size class
Non-ducted, 2 tons86.8(50 is the typical model of its size class)EDSO-24Ewith ductless indoor unit EDWM-24U3 of 3 models have all five ratings · AHRI 216759939No models in this size class
Non-ducted, 2.5–3 tons78.3(50 is the typical model of its size class)EDMO-36HAlso sold as Eco Air EDMO-36H-5GX13 of 13 models have all five ratings · AHRI 216760006No models in this size class
Non-ducted, 3.5–4.5 tons75.6(50 is the typical model of its size class)EDMO-48HAlso sold as Eco Air EDMO-48H-6GX8 of 8 models have all five ratings · AHRI 216760009No models in this size class
Non-ducted, 5 tons and up58.6(50 is the typical model of its size class)EDMO-60EAlso sold as Eco Air EDMO-60E-6GX2 of 2 models have all five ratings · AHRI 216759997No 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
RatingECO-AIRRUSSELL
COP at 5°Fbeats 99% · 2.54EDSO-24ENon-ducted, 2 tonsbeats 91% · 2.40RD16AY36AJVCDucted, 2.5–3 tons
Capacity retention at 5°Fbeats 98% · 120%EDSO-09HDucted, up to 1.5 tonsbeats 88% · 97%SP19AY60AJVCDucted, 3.5–4.5 tons
HSPF2beats 99% · 14.8EDSO-06HNon-ducted, up to 1.5 tonsbeats 86% · 10.0SP19AY48AJVCDucted, 3.5–4.5 tons
SEER2beats 97% · 25.0EDMO-27EAlso sold as Eco Air EDMO-27E-4GXNon-ducted, 2.5–3 tonsbeats 98% · 21.0SP19AY36AJVCDucted, 2.5–3 tons
EER2beats 99% · 18.0EDSO-06HNon-ducted, up to 1.5 tonsbeats 96% · 13.0RD18AY36AJVCDucted, 2.5–3 tons
Heating capacity at 5°Fbeats 97% · 19,000 Btu/hEDMO-18HAlso sold as Eco Air EDMO-18H-3GXNon-ducted, up to 1.5 tonsbeats 95% · 53,000 Btu/hSP19AY60AJVCDucted, 3.5–4.5 tons

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