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BOREAL vs Star Air Kontrol: heat pump ratings compared
Against heat pumps of the same size and type, a typical BOREAL model beats 53% and a typical Star Air Kontrol model 56%. Star Air Kontrol rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
BOREAL
53%
of similar heat pumps beaten by its typical model
About average49 models listed
Star Air Kontrol
56%
of similar heat pumps beaten by its typical model
Above average51 models listed
- Efficiency on a 5°F dayCOP at 5°FBOREAL: Beats 43%Star Air Kontrol: Beats 61%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBOREAL: Beats 59%Star Air Kontrol: Beats 46%
- Winter-long heating efficiencyHSPF2BOREAL: Beats 41%Star Air Kontrol: Beats 66%
- Summer-long cooling efficiencySEER2BOREAL: Beats 59%Star Air Kontrol: Beats 62%
- Hot-day cooling efficiencyEER2BOREAL: Beats 58%Star Air Kontrol: Beats 45%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- BOREAL
- 88%
- Star Air Kontrol
- 84%
Xcel CC
- BOREAL
- 88%
- Star Air Kontrol
- 71%
CEE Advanced
- BOREAL
- 6%
- Star Air Kontrol
- 2%
ENERGY STAR CC
- BOREAL
- 61%
- Star Air Kontrol
- 49%
All-around best, ducted up to 1.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
BOREAL
- 1KUL09HPJ132OAwith ducted air handler DUC09HPJ132IABOREALAlso listed as NOV09HPJ132OA1 ton · 9,100 Btu/h · DuctedCold-climate pick, score 69.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.14 (COP at 5°F)
- Great
- Winter efficiency
- 9.2 (HSPF2)
- Good
- Cooling efficiency
- 22.0 (SEER2)
- Top 10%
- Hot-day cooling
- 14.2 (EER2)
- Top 10%
- 2KUL18HPJ132OAwith ducted air handler DUC18HPJ132IABOREAL1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 47.6Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 83% (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)
- Below the middle
- Cooling efficiency
- 22.5 (SEER2)
- Top 10%
- Hot-day cooling
- 14.0 (EER2)
- Top 10%
- 3KUL12HPJ132OAwith ducted air handler DUC12HPJ132IABOREALAlso listed as NOV12HPJ132OA1 ton · 12,000 Btu/h · DuctedCold-climate pick, score 49.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 88% (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)
- Below the middle
- Cooling efficiency
- 21.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Great
Star Air Kontrol
- 1SAK-06-DT2/220Vwith ducted air handler SAK-06-DT1/220VStar Air Kontrol0.5 tons · 6,500 Btu/h · DuctedCold-climate pick, score 93.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 98% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.41 (COP at 5°F)
- Top 10%
- Winter efficiency
- 13.8 (HSPF2)
- Top 10%
- Cooling efficiency
- 21.4 (SEER2)
- Top 10%
- Hot-day cooling
- 14.4 (EER2)
- Top 10%
- 2SAK-09-DT2/220Vwith ducted air handler SAK-09-DT1/220VStar Air Kontrol1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 80.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 86% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.25 (COP at 5°F)
- Great
- Winter efficiency
- 11.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.5 (SEER2)
- Good
- Hot-day cooling
- 12.8 (EER2)
- Great
- 3SAK-18-DZ/220VStar Air Kontrol1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 72.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 77% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.30 (COP at 5°F)
- Great
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Good
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
Next steps
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
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