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AIRTEMP vs ELIOS heat pumps

Measured against models of the same size and duct type, ELIOS scores higher on 6 of the 6 ratings. AIRTEMP has 47 outdoor models, ELIOS has 48 outdoor models. AIRTEMP and ELIOS 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.
AIRTEMP and ELIOS 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, ELIOS scores higher on 6 of the 6 ratings.
  • AIRTEMP
  • ELIOS
  • Other ranked manufacturers
AIRTEMPELIOS

Source: AHRI Directory, NEEP · as of

Average peer percentile, raw median and rank among ranked manufacturers
RatingAIRTEMPELIOS
Efficiency index36%median —56%median —
COP at 5°F25%median 1.7557%median 2.00
Capacity retention at 5°F37%median 51%53%median 74%
HSPF230%median 7.565%median 9.5
SEER235%median 14.359%median 20.0
EER248%median 11.049%median 11.7
Heating capacity at 5°F35%median 16,200 Btu/h59%median 18,850 Btu/h
Outdoor models4748
AHRI certifications147104

Share of models meeting each standard

Percent of each manufacturer’s models with a qualifying certification
StandardAIRTEMPELIOS
CEE 2025 Tier 1 (Split ASHP)42.6%20 models87.5%42 models
CEE 2026 Tier 1 (Split ASHP)40.4%19 models87.5%42 models
CEE Advanced Tier (Split ASHP)4.3%2 models0%0 models
Xcel Energy Colorado cold-climate ASHP (2025)40.4%19 models81.3%39 models
DOE Cold Climate Heat Pump Challenge4.3%2 models0%0 models
ENERGY STAR Cold Climate25.5%12 models77.1%37 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 · 9 groups where both have models
  • AIRTEMP
  • ELIOS
  • 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 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 typeAIRTEMPELIOS
Ducted, up to 1.5 tons2 · index 34%9 · index 66%
Ducted, 2 tons7 · index 30%6 · index 54%
Ducted, 2.5–3 tons11 · index 27%8 · index 64%
Ducted, 3.5–4.5 tons14 · index 32%5 · index 64%
Ducted, 5 tons and up1 · index 18%1 · index 65%
Non-ducted, up to 1.5 tons9 · index 45%16 · index 53%
Non-ducted, 2 tons3 · index 55%5 · index 51%
Non-ducted, 2.5–3 tons4 · index 52%9 · index 44%
Non-ducted, 3.5–4.5 tons1 · index 68%3 · index 50%

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 typeAIRTEMPCold-climate score, best modelELIOSCold-climate score, best model
Ducted, up to 1.5 tons39.3(50 is the typical model of its size class)DXH18FMK3IH1 of 2 models qualify · AHRI 21574630081.3(50 is the typical model of its size class) (higher)ESHEA09C2AN1with ducted air handler GDHRA09C2AS17 of 9 models qualify · AHRI 216046626
Ducted, 2 tons49.0(50 is the typical model of its size class)DXH24FMK3IH1 of 6 models qualify · AHRI 21574630277.1(50 is the typical model of its size class) (higher)ESHEA24C2AN1with ducted air handler GDHRA24C2AS16 of 6 models qualify · AHRI 216046629
Ducted, 2.5–3 tons76.9(50 is the typical model of its size class)UXH24-36MSK3IHwith ducted air handler UMD36MSK3IH3 of 12 models qualify · AHRI 21713820382.5(50 is the typical model of its size class) (higher)EXHZA3652AV16 of 8 models qualify · AHRI 217900393
Ducted, 3.5–4.5 tons85.1(50 is the typical model of its size class) (higher)UXH48-60MSK3IHwith ducted air handler UMD60MSK3IH2 of 14 models qualify · AHRI 21713820582.7(50 is the typical model of its size class)EXHZA4862AV15 of 5 models qualify · AHRI 217900396
Ducted, 5 tons and upNone on this board (0 of 1 models qualify)None on this board (0 of 1 models qualify)
Non-ducted, up to 1.5 tons62.2(50 is the typical model of its size class)DXH09PSK3IHwith ductless indoor unit DHH09PUK3IH9 of 9 models qualify · AHRI 21601175580.3(50 is the typical model of its size class) (higher)ESHEA09C2AN1with ductless indoor unit GKHRA09C2AS113 of 16 models qualify · AHRI 216046618
Non-ducted, 2 tons67.5(50 is the typical model of its size class)DXH24FMK3IH3 of 3 models qualify · AHRI 21574629677.2(50 is the typical model of its size class) (higher)ESHMA24C2AN1with ductless indoor unit EWHMA24C2AS15 of 5 models qualify · AHRI 216046616
Non-ducted, 2.5–3 tons77.2(50 is the typical model of its size class) (higher)DXH36FMK3IH4 of 4 models qualify · AHRI 21574629872.6(50 is the typical model of its size class)EXHZA3652AV17 of 9 models qualify · AHRI 217900394
Non-ducted, 3.5–4.5 tons66.5(50 is the typical model of its size class)DXH42FMK3IH1 of 1 models qualify · AHRI 21574629968.7(50 is the typical model of its size class) (higher)EXHZA4862AV13 of 3 models qualify · AHRI 217900397

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 typeAIRTEMPAll-around score, best modelELIOSAll-around score, best model
Ducted, up to 1.5 tons48.6(50 is the typical model of its size class)DXH18FMK3IH2 of 2 models have all five ratings · AHRI 21574630080.8(50 is the typical model of its size class) (higher)ESHEA09C2AN1with ducted air handler GDHRA09C2AS19 of 9 models have all five ratings · AHRI 216046626
Ducted, 2 tons72.4(50 is the typical model of its size class)UXH24-36MSK3IHwith ducted air handler UMD24MSK3IH7 of 7 models have all five ratings · AHRI 21713820278.8(50 is the typical model of its size class) (higher)ESHEA24C2AN1with ducted air handler GDHRA24C2AS16 of 6 models have all five ratings · AHRI 216046629
Ducted, 2.5–3 tons61.6(50 is the typical model of its size class)DXH30FMK3IH11 of 11 models have all five ratings · AHRI 21574630383.6(50 is the typical model of its size class) (higher)EXHZA3652AV18 of 8 models have all five ratings · AHRI 217900393
Ducted, 3.5–4.5 tons83.1(50 is the typical model of its size class)UXH48-60MSK3IHwith ducted air handler UMD48MSK3IH14 of 14 models have all five ratings · AHRI 21713820485.1(50 is the typical model of its size class) (higher)EXHSA4862AV15 of 5 models have all five ratings · AHRI 216046646
Ducted, 5 tons and up17.9(50 is the typical model of its size class)RHPXYB060AJT1 of 1 models have all five ratings · AHRI 21760814365.3(50 is the typical model of its size class) (higher)ESHUA60R2AN1with ducted air handler GDHLA60R2AS11 of 1 models have all five ratings · AHRI 216046632
Non-ducted, up to 1.5 tons78.0(50 is the typical model of its size class)DXH09PSK3IHwith ductless indoor unit DHH09PUK3IH9 of 9 models have all five ratings · AHRI 21601175579.5(50 is the typical model of its size class) (higher)ESHMA09C2AN1with ductless indoor unit EWHMA09C2AS116 of 16 models have all five ratings · AHRI 216046613
Non-ducted, 2 tons72.2(50 is the typical model of its size class)DXH24PSK3IHwith ductless indoor unit DHH24PUK3IH3 of 3 models have all five ratings · AHRI 21601175972.9(50 is the typical model of its size class) (higher)ESHMA24C2AN1with ductless indoor unit EWHMA24C2AS15 of 5 models have all five ratings · AHRI 216046616
Non-ducted, 2.5–3 tons70.5(50 is the typical model of its size class) (higher)DXH30FMK3IH4 of 4 models have all five ratings · AHRI 21574629766.3(50 is the typical model of its size class)EXHZA3652AV19 of 9 models have all five ratings · AHRI 217900392
Non-ducted, 3.5–4.5 tons67.7(50 is the typical model of its size class) (higher)DXH42FMK3IH1 of 1 models have all five ratings · AHRI 21574629962.6(50 is the typical model of its size class)EXHZA4862AV13 of 3 models have all five ratings · AHRI 217900395

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
RatingAIRTEMPELIOS
COP at 5°Fbeats 88% · 2.10DXH36FMK3IHNon-ducted, 2.5–3 tonsbeats 99% · 2.51ESHEA12C2AN1Non-ducted, up to 1.5 tons
Capacity retention at 5°Fbeats 99% · 114%UXH48-60MSK3IHDucted, 3.5–4.5 tonsbeats 97% · 107%ESHMA30R2AN1Ducted, 2.5–3 tons
HSPF2beats 90% · 10.5UXH48-60MSK3IHDucted, 3.5–4.5 tonsbeats 99% · 11.0EXHZA4862AV1Ducted, 3.5–4.5 tons
SEER2beats 97% · 26.0DXH24PSK3IHNon-ducted, 2 tonsbeats 96% · 20.4EXHSA4862AV1Ducted, 3.5–4.5 tons
EER2beats 94% · 13.0DXH42FMK3IHNon-ducted, 3.5–4.5 tonsbeats 91% · 15.0ESHMA09C2AN1Non-ducted, up to 1.5 tons
Heating capacity at 5°Fbeats 98% · 54,000 Btu/hUXH48-60MSK3IHDucted, 3.5–4.5 tonsbeats 97% · 39,000 Btu/hESHMB36R2AN1Ducted, 2.5–3 tons

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