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AIRSTAR heat pump efficiency: 3 outdoor models compared

AIRSTAR has 3 heat pump outdoor models certified with this refrigerant group, in 3 AHRI-certified combinations. Each model is compared with models of the same size and duct type, so the scores below do not depend on which sizes AIRSTAR makes. AIRSTAR has no QMID (IRS Qualified Manufacturer ID) on file, so it is not ranked against other manufacturers.

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ManufacturerData as of updated · sources

Outdoor models
3
AHRI certifications
3
Efficiency index
60%
Typical model vs same-size, same-type peers (3 models)
Meet CEE 2025
100%
3 models

How AIRSTAR compares with comparable models

For each rating: the share of same-size, same-type models that a typical model of this manufacturer beats (50% is typical), its rank, and the raw median for context. Raw medians are not comparable across manufacturers that make different sizes.
AIRSTAR against every ranked manufacturerPeer scores, 0–100 · grey ticks: each ranked manufacturer · shaded: the middle half of AIRSTAR’s own modelsAIRSTAR is strongest on SEER2 (its typical model beats 73% of comparable models) and weakest on COP at 5°F (34%).
  • AIRSTAR
  • Middle half of its models
  • Other ranked manufacturers
AIRSTAR

Source: AHRI Directory, NEEP · as of

Average peer percentile of AIRSTAR’s models
RatingBeats comparable modelsRankRaw median
Efficiency index3 models scored60%Not ranked—
COP at 5°F3 models scored34%Not ranked1.80
Capacity retention at 5°F3 models scored53%Not ranked75%
HSPF23 models scored58%Not ranked9.5
SEER23 models scored73%Not ranked23.0
EER23 models scored73%Not ranked13.0
Heating capacity at 5°F3 models scored59%Not ranked9,000 Btu/h

Standards met

Share of AIRSTAR’s models with at least one qualifying certification
StandardShareModels
CEE 2025 Tier 1 (Split ASHP)100%3
CEE 2026 Tier 1 (Split ASHP)100%3
CEE Advanced Tier (Split ASHP)0%0
Xcel Energy Colorado cold-climate ASHP (2025)100%3
DOE Cold Climate Heat Pump Challenge0%0
ENERGY STAR Cold Climate0%0

Sizes and duct types offered

Models per peer group, and how they score against the other models of that group.
AIRSTAR’s models inside each size and duct typeShape: every model of the group · blue: the middle half of this manufacturer’s models there, median dot, 10th–90th percentile line
  • AIRSTAR (median, middle 50%, 10th–90th)
  • All models of the group
Non-ducted, up to 1.5 tons1.953,455 modelsmedian

Source: AHRI Directory · as of

Share of comparable models beaten, per peer group
Size and duct typeModelsIndexCOP@5°FHSPF2SEER2
Non-ducted, up to 1.5 tons360%34%58%73%

Every AIRSTAR model in the market

AIRSTAR’s 3 models with a known size and duct type, over the shape of the whole catalog.
AIRSTAR models by size and ratingColoured: AIRSTAR · grey shapes: all 14,508 models · lines: catalog medians by size
  • AIRSTAR models
  • Ducted median by size
  • Non-ducted median by size
  • Every model at each size (width = count)
  • Standard threshold

Dots: 3 airstar models, each through its representative certification, in the colour of the rating shown. The grey shapes count all 14,508 models, half a ton at a time.
Show the data as a table
COP at 5°F by size and duct type (every model, by rated cooling capacity)
Duct type, sizeModels10th pct.25thMedian75th90th
Ducted, 0.5 tons8261.641.711.751.852.24
Ducted, 1 ton4071.801.902.052.412.45
Ducted, 1.5 tons9921.751.862.002.172.40
Ducted, 2 tons9991.751.862.002.182.30
Ducted, 2.5 tons1,0401.701.802.002.102.36
Ducted, 3 tons6961.801.902.002.102.42
Ducted, 3.5 tons8641.701.802.002.102.46
Ducted, 4 tons7271.801.862.002.122.40
Ducted, 4.5 tons6901.701.801.902.102.20
Ducted, 5 tons861.892.002.102.102.10
Non-ducted, 0.5 tons1,1861.751.801.902.002.22
Non-ducted, 1 ton1,3431.801.801.992.102.21
Non-ducted, 1.5 tons1,2611.801.802.002.102.31
Non-ducted, 2 tons7611.801.982.002.102.30
Non-ducted, 2.5 tons4031.801.852.002.002.10
Non-ducted, 3 tons4731.901.982.002.032.20
Non-ducted, 3.5 tons2802.002.002.002.052.10
Non-ducted, 4 tons2041.962.002.052.102.11
Non-ducted, 4.5 tons781.901.911.952.012.01
Non-ducted, 5 tons841.992.002.052.202.20

Source: AHRI Directory · as of

Top AIRSTAR models

Its top five cold-climate picks and its top five all-around models across sizes (both scores compare each model with models of its own size and duct type, so sizes compare), then, on each single rating, the model that beats the largest share of comparable models.

Cold-climate picks

Top 2 AIRSTAR cold-climate picks across sizes. 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.
# · Outdoor modelSize · typeCap. 5/47COP@5°FHSPF2Btu/h @5°FSEER2MeetsCombosAHRI ref.Compared withScore
1TCL18C25MAIRSTAR1.5 tons18,000 Btu/h · Non-ducted80%2.0010.516,00024.0CEE 25CEE 26Xcel1217727836Non-ducted, up to 1.5 tons68.6
2TSH12HDI1NAN0T23AIRSTARwith ductless indoor unit TSH12IDI1NAN0T23Also listed as TCL12C25S1 ton12,000 Btu/h · Non-ducted75%1.809.59,00023.0CEE 25CEE 26Xcel1218005009Non-ducted, up to 1.5 tons37.6

All-around best

Top 2 AIRSTAR models on the all-around score across sizes. 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.
# · Outdoor modelSize · typeCap. 5/47COP@5°FHSPF2SEER2EER2MeetsCombosAHRI ref.Compared withScoreHeating halfCooling halfCold-climate score
1TCL18C25MAIRSTAR1.5 tons18,000 Btu/h · Non-ducted80%2.0010.524.013.0CEE 25CEE 26Xcel1217727836Non-ducted, up to 1.5 tons72.268.675.868.6
2TSH12HDI1NAN0T23AIRSTARwith ductless indoor unit TSH12IDI1NAN0T23Also listed as TCL12C25S1 ton12,000 Btu/h · Non-ducted75%1.809.523.013.0CEE 25CEE 26Xcel1218005009Non-ducted, up to 1.5 tons54.337.671.137.6

Best model on each rating

AIRSTAR’s model with the highest peer percentile on each rating, ranked by that one rating only
RatingModelValueCompared withBeatsAHRI ref.
COP at 5°FTCL18C25M2.00Non-ducted, up to 1.5 tons63%217727836
Capacity retention at 5°FTCL18C25M80%Non-ducted, up to 1.5 tons61%217727836
HSPF2TCL18C25M10.5Non-ducted, up to 1.5 tons79%217727836
SEER2TCL18C25M24.0Non-ducted, up to 1.5 tons75%217727836
EER2TCL18C25M13.0Non-ducted, up to 1.5 tons70%217727836
Heating capacity at 5°FTCL18C25M16,000 Btu/hNon-ducted, up to 1.5 tons88%217727836

All 3 AIRSTAR models in Explore

AIRSTAR size class by size class: cold-climate and all-around

Its best model on each board in every size and duct type it makes. Both scores are 0–100 against every model of that size class (the line on each bar is 50, the typical model there). Cold-climate picks must keep at least 70% of their heat at 5°F; the all-around score needs all five ratings and has no such bar.
AIRSTAR: best cold-climate pick and best all-around model per size and duct type, with how many of its models are on each board (top 5 and 5 per class are in the snapshot)
Size and duct typeCold-climate pickCold-climate score, best modelAll-around bestAll-around score, best model
Non-ducted, up to 1.5 tons68.6(50 is the typical model of its size class)TCL18C25M3 of 3 models qualify · AHRI 21772783672.2(50 is the typical model of its size class)TCL18C25M3 of 3 models have all five ratings · AHRI 217727836

All-around board, every manufacturer

Newest AIRSTAR certifications

By AHRI reference number; AHRI issues references in increasing order.
The 3 most recently certified AIRSTAR outdoor models
Outdoor modelSize · typeCOP@5°FCap. 5/47HSPF2SEER2MeetsCombosAHRI ref.
TCL12C25SAIRSTAR · Yeswith ductless indoor unit TCL12E25S1 ton12,000 Btu/h · Non-ducted1.8075%9.523.0CEE 25CEE 26Xcel1218009422
TSH12HDI1NAN0T23AIRSTARwith ductless indoor unit TSH12IDI1NAN0T231 ton12,000 Btu/h · Non-ducted1.8075%9.523.0CEE 25CEE 26Xcel1218005009
TCL18C25MAIRSTAR1.5 tons18,000 Btu/h · Non-ducted2.0080%10.524.0CEE 25CEE 26Xcel1217727836

Shares hardware with

Manufacturers whose models are the same equipment under another badge. About OEM families

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Manufacturers of a similar size, side by side.

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AIRSTAR includes these brand names as listed in AHRI: AIRSTAR. Standards are checked against published thresholds; program rules beyond ratings are not checked.