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AIRTEMP vs DIRECT AIR heat pumps

Measured against models of the same size and duct type, DIRECT AIR scores higher on 6 of the 6 ratings. AIRTEMP has 47 outdoor models, DIRECT AIR has 47 outdoor models. AIRTEMP and DIRECT 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.
AIRTEMP and DIRECT 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, DIRECT AIR scores higher on 6 of the 6 ratings.
  • AIRTEMP
  • DIRECT AIR
  • Other ranked manufacturers
AIRTEMPDIRECT A…

Source: AHRI Directory, NEEP · as of

Average peer percentile, raw median and rank among ranked manufacturers
RatingAIRTEMPDIRECT AIR
Efficiency index36%median —67%median —
COP at 5°F25%median 1.7562%median 2.00
Capacity retention at 5°F37%median 51%64%median 83%
HSPF230%median 7.576%median 10.3
SEER235%median 14.371%median 20.5
EER248%median 11.062%median 12.0
Heating capacity at 5°F35%median 16,200 Btu/h66%median 26,000 Btu/h
Outdoor models4747
AHRI certifications147198

Share of models meeting each standard

Percent of each manufacturer’s models with a qualifying certification
StandardAIRTEMPDIRECT AIR
CEE 2025 Tier 1 (Split ASHP)42.6%20 models93.6%44 models
CEE 2026 Tier 1 (Split ASHP)40.4%19 models93.6%44 models
CEE Advanced Tier (Split ASHP)4.3%2 models2.1%1 models
Xcel Energy Colorado cold-climate ASHP (2025)40.4%19 models85.1%40 models
DOE Cold Climate Heat Pump Challenge4.3%2 models2.1%1 models
ENERGY STAR Cold Climate25.5%12 models87.2%41 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
  • DIRECT 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 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 typeAIRTEMPDIRECT AIR
Ducted, up to 1.5 tons2 · index 34%12 · index 73%
Ducted, 2 tons7 · index 30%6 · index 63%
Ducted, 2.5–3 tons11 · index 27%13 · index 69%
Ducted, 3.5–4.5 tons14 · index 32%11 · index 65%
Ducted, 5 tons and up1 · index 18%1 · index 63%
Non-ducted, up to 1.5 tons9 · index 45%11 · index 75%
Non-ducted, 2 tons3 · index 55%2 · index 82%
Non-ducted, 2.5–3 tons4 · index 52%13 · index 61%
Non-ducted, 3.5–4.5 tons1 · index 68%8 · index 55%
Non-ducted, 5 tons and upNone1 · index 59%

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 modelDIRECT AIRCold-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 21574630082.3(50 is the typical model of its size class) (higher)DIRM4-18HXPRO28-1Zwith ducted air handler DIRM4-18HP-DU11 of 12 models qualify · AHRI 217447834
Ducted, 2 tons49.0(50 is the typical model of its size class)DXH24FMK3IH1 of 6 models qualify · AHRI 21574630285.7(50 is the typical model of its size class) (higher)DIRM4-24HXPRO28-1Zwith ducted air handler DIRM4-24HP-DU6 of 6 models qualify · AHRI 216788527
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 21713820383.2(50 is the typical model of its size class) (higher)DIRM4-36LCHX-1Zwith ducted air handler DIRM4-36HP-DU11 of 13 models qualify · AHRI 216788531
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)DIRM4-48HXPRO28-5ZAlso listed as DIRM4-48HXPRO28-6Z11 of 11 models qualify · AHRI 215213809
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 21601175596.7(50 is the typical model of its size class) (higher)DIRM4-06HXPRO28-1Zwith ductless indoor unit DIRM4-06HP-WM11 of 11 models qualify · AHRI 216571371
Non-ducted, 2 tons67.5(50 is the typical model of its size class)DXH24FMK3IH3 of 3 models qualify · AHRI 21574629689.4(50 is the typical model of its size class) (higher)DIRM4-24HXPRO28-1Zwith ductless indoor unit DIRM4-24HP-CA2 of 2 models qualify · AHRI 216788526
Non-ducted, 2.5–3 tons77.2(50 is the typical model of its size class)DXH36FMK3IH4 of 4 models qualify · AHRI 21574629889.4(50 is the typical model of its size class) (higher)DIRM4-36LCHX-1Zwith ductless indoor unit DIRM4-36HP-CF11 of 13 models qualify · AHRI 216571385
Non-ducted, 3.5–4.5 tons66.5(50 is the typical model of its size class)DXH42FMK3IH1 of 1 models qualify · AHRI 21574629973.4(50 is the typical model of its size class) (higher)DIRM4-48HXPRO28-5ZAlso listed as DIRM4-48HXPRO28-6Z7 of 8 models qualify · AHRI 215213810
Non-ducted, 5 tons and upNo models in this size classNone on this board (0 of 1 models qualify)

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 modelDIRECT AIRAll-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 21574630086.5(50 is the typical model of its size class) (higher)DIRM4-09HXPRO28-1Zwith ducted air handler DIRM4-09HP-DU12 of 12 models have all five ratings · AHRI 217447830
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)DIRM4-24DA25-1Zwith ducted air handler DIRM4-24HP-DU6 of 6 models have all five ratings · AHRI 216788529
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)DIRM4-36HXPRO28-4ZAlso listed as DIRM4-36HXPRO28-5Z13 of 13 models have all five ratings · AHRI 215213806
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)DIRM4-48DA25-5ZAlso listed as DIRM4-48DA25-6Z11 of 11 models have all five ratings · AHRI 215213797
Ducted, 5 tons and up17.9(50 is the typical model of its size class)RHPXYB060AJT1 of 1 models have all five ratings · AHRI 21760814362.5(50 is the typical model of its size class) (higher)DIRM4-60DA25-6Z1 of 1 models have all five ratings · AHRI 218331780
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 21601175596.2(50 is the typical model of its size class) (higher)DIRM4-06HXPRO28-1Zwith ductless indoor unit DIRM4-06HP-WM11 of 11 models have all five ratings · AHRI 216571371
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 21601175986.8(50 is the typical model of its size class) (higher)DIRM4-24DA25-1Zwith ductless indoor unit DIRM4-24HP-WM2 of 2 models have all five ratings · AHRI 216571370
Non-ducted, 2.5–3 tons70.5(50 is the typical model of its size class)DXH30FMK3IH4 of 4 models have all five ratings · AHRI 21574629778.3(50 is the typical model of its size class) (higher)DIRM4-36HXPRO28-4ZAlso listed as DIRM4-36HXPRO28-5Z13 of 13 models have all five ratings · AHRI 215213805
Non-ducted, 3.5–4.5 tons67.7(50 is the typical model of its size class)DXH42FMK3IH1 of 1 models have all five ratings · AHRI 21574629975.6(50 is the typical model of its size class) (higher)DIRM4-48HXPRO28-5ZAlso listed as DIRM4-48HXPRO28-6Z8 of 8 models have all five ratings · AHRI 215213808
Non-ducted, 5 tons and upNo models in this size class58.6(50 is the typical model of its size class)DIRM4-60DA25-6Z1 of 1 models have all five ratings · AHRI 218331779

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
RatingAIRTEMPDIRECT AIR
COP at 5°Fbeats 88% · 2.10DXH36FMK3IHNon-ducted, 2.5–3 tonsbeats 99% · 2.51DIRM4-12DA25-1ZNon-ducted, up to 1.5 tons
Capacity retention at 5°Fbeats 99% · 114%UXH48-60MSK3IHDucted, 3.5–4.5 tonsbeats 98% · 126%DIRM4-09HXPRO28-1ZNon-ducted, up to 1.5 tons
HSPF2beats 90% · 10.5UXH48-60MSK3IHDucted, 3.5–4.5 tonsbeats 99% · 14.8DIRM4-06HXPRO28-1ZNon-ducted, up to 1.5 tons
SEER2beats 97% · 26.0DXH24PSK3IHNon-ducted, 2 tonsbeats 97% · 25.0DIRM4-27DA25-3Z*Also listed as DIRM4-27DA25-4ZNon-ducted, 2.5–3 tons
EER2beats 94% · 13.0DXH42FMK3IHNon-ducted, 3.5–4.5 tonsbeats 99% · 18.0DIRM4-06HXPRO28-1ZNon-ducted, up to 1.5 tons
Heating capacity at 5°Fbeats 98% · 54,000 Btu/hUXH48-60MSK3IHDucted, 3.5–4.5 tonsbeats 98% · 39,500 Btu/hDIRM4-36LCHX-1ZNon-ducted, 2.5–3 tons

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