Star Air Kontrol heat pumps: how do their ratings compare?
A typical Star Air Kontrol heat pump beats 56% of similar heat pumps (same size and type), which is above average. Star Air Kontrol has 51 heat pump models in this list.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Overall score
56%
of similar heat pumps beaten by its typical model
Above averageStar Air Kontrol has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 57 models with every rating.
- Efficiency on a 5°F dayCOP at 5°FBeats 61%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 46%
- Winter-long heating efficiencyHSPF2Beats 66%
- Summer-long cooling efficiencySEER2Beats 62%
- Hot-day cooling efficiencyEER2Beats 45%
Average (50%)
Each bar: the share of similar heat pumps a typical model beats on that rating.
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Rebate standards
84%
meet CEE 2025 Tier 1, the level many utility rebates use.
43 models. All brands: 57%.
71%
meet Xcel Energy Colorado’s cold-climate rebate levels.
36 models. All brands: 53%.
2%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
1 model. All brands: 3%.
Star Air Kontrol all-around best, by size
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
6 of Star Air Kontrol’s 6 models of this size and type have all five ratings.
- 1S27TZL2C*Star Air Kontrol2.5 tons · 27,000 Btu/h · DuctedCold-climate pick, score 49.8Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.88 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 22.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Great
- 2SAK-36-QZ/220VStar Air Kontrol3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 60.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.2 (HSPF2)
- Good
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3SAK-36-DT2/220Vwith ducted air handler SAK-36-DT1/220VStar Air Kontrol3 tons · 36,000 Btu/h · DuctedNot a cold-climate pick: keeps 64% of its heat at 5°FMeets CEE 2025
- Heat kept at 5°F
- 64% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 10.2 (HSPF2)
- Great
- Cooling efficiency
- 18.7 (SEER2)
- Great
- Hot-day cooling
- 10.1 (EER2)
- Below the middle
- 4S36SCQ2Cwith ducted air handler S36AUPDAStar Air Kontrol3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 64.5Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.85 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 18.0 (SEER2)
- Good
- Hot-day cooling
- 11.0 (EER2)
- Below the middle
- 5S36TCP2C*with ducted air handler S36AUP2AStar Air Kontrol3 tons · 34,000 Btu/h · DuctedCold-climate pick, score 55.4Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 76% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 10.0 (EER2)
- Below the middle
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
What to do next
The advanced view has Star Air Kontrol’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.
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