Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
AireForce vs Star Air Kontrol: heat pump ratings compared
Against heat pumps of the same size and type, a typical AireForce model beats 41% and a typical Star Air Kontrol model 56%. Star Air Kontrol rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
AireForce
41%
of similar heat pumps beaten by its typical model
Below average54 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°FAireForce: Beats 33%Star Air Kontrol: Beats 61%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAireForce: Beats 43%Star Air Kontrol: Beats 46%
- Winter-long heating efficiencyHSPF2AireForce: Beats 37%Star Air Kontrol: Beats 66%
- Summer-long cooling efficiencySEER2AireForce: Beats 43%Star Air Kontrol: Beats 62%
- Hot-day cooling efficiencyEER2AireForce: Beats 47%Star Air Kontrol: Beats 45%
Average (50%)Dashed outline: the other brand, for comparison
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
Rebate standards
CEE 2025
- AireForce
- 52%
- Star Air Kontrol
- 84%
Xcel CC
- AireForce
- 48%
- Star Air Kontrol
- 71%
CEE Advanced
- AireForce
- 4%
- Star Air Kontrol
- 2%
ENERGY STAR CC
- AireForce
- 22%
- Star Air Kontrol
- 49%
All-around best, ductless 3.5–4.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
AireForce
- 1DXH42FMK3IHAireForce3.5 tons · 42,000 Btu/h · DuctlessCold-climate pick, score 66.5Meets 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
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 10.0 (HSPF2)
- Below the middle
- Cooling efficiency
- 21.0 (SEER2)
- Below the middle
- Hot-day cooling
- 13.0 (EER2)
- Top 10%
Star Air Kontrol
- 1SAK-48-QZ/220VStar Air Kontrol4 tons · 45,000 Btu/h · DuctlessCold-climate pick, score 60.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 78% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 10.3 (HSPF2)
- Good
- Cooling efficiency
- 20.9 (SEER2)
- Below the middle
- Hot-day cooling
- 11.9 (EER2)
- Good
- 2SAK-48-CT2/220Vwith ductless indoor unit SAK-48-CT1/220VStar Air Kontrol4 tons · 48,000 Btu/h · DuctlessCold-climate pick, score 55.4Meets Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 81% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.11 (COP at 5°F)
- Top 10%
- Winter efficiency
- 9.9 (HSPF2)
- Below the middle
- Cooling efficiency
- 19.0 (SEER2)
- Below the middle
- Hot-day cooling
- 9.5 (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.
Next steps
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
Open the advanced view