Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
KANIONco vs THERMAL ZONE: heat pump ratings compared
Against heat pumps of the same size and type, a typical KANIONco model beats 47% and a typical THERMAL ZONE model 30%. KANIONco rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
KANIONco
47%
of similar heat pumps beaten by its typical model
About average56 models listed
THERMAL ZONE
30%
of similar heat pumps beaten by its typical model
Well below average101 models listed
- Efficiency on a 5°F dayCOP at 5°FKANIONco: Beats 37%THERMAL ZONE: Beats 40%
- Heating power kept at 5°FCapacity at 5°F vs 47°FKANIONco: Beats 45%THERMAL ZONE: Beats 26%
- Winter-long heating efficiencyHSPF2KANIONco: Beats 50%THERMAL ZONE: Beats 23%
- Summer-long cooling efficiencySEER2KANIONco: Beats 58%THERMAL ZONE: Beats 24%
- Hot-day cooling efficiencyEER2KANIONco: Beats 41%THERMAL ZONE: Beats 31%
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
- KANIONco
- 66%
- THERMAL ZONE
- 8%
Xcel CC
- KANIONco
- 63%
- THERMAL ZONE
- 8%
CEE Advanced
- KANIONco
- 0%
- THERMAL ZONE
- 0%
ENERGY STAR CC
- KANIONco
- 36%
- THERMAL ZONE
- 8%
All-around best, ducted 2.5–3 tons
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?
KANIONco
- 1KWSMO-27IR454BHS20KANIONco2.5 tons · 27,000 Btu/h · DuctedCold-climate pick, score 49.8Meets 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
- 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
- 2KAHU-36IR454BHS18AEwith ducted air handler KAHU-36IR454BHS18AEKANIONcoAlso listed as KAHUO-36IR454BHS18AE3 tons · 34,000 Btu/h · DuctedCold-climate pick, score 64.9Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 18.6 (SEER2)
- Great
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3KWSMO-36IR454BHS19KANIONco3 tons · 34,000 Btu/h · DuctedCold-climate pick, score 48.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 72% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 8.5 (HSPF2)
- Good
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
THERMAL ZONE
- 1TZP15AY36AJ2Nwith ducted air handler AEW37J+TDRTHERMAL ZONE2.5 tons · 31,600 Btu/h · DuctedCold-climate pick, score 72.6Meets none of the standards tracked here
- Heat kept at 5°F
- 102% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.66 (COP at 5°F)
- Top 10%
- Winter efficiency
- 7.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 14.5 (SEER2)
- Below the middle
- Hot-day cooling
- 11.7 (EER2)
- Good
- 2TZID30H520ZCSwith ducted air handler TZID30H520ZAMTHERMAL ZONE2.5 tons · 30,000 Btu/h · DuctedNot a cold-climate pick: keeps 61% of its heat at 5°FMeets CEE 2025
- Heat kept at 5°F
- 62% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 8.5 (HSPF2)
- Good
- Cooling efficiency
- 17.0 (SEER2)
- Good
- Hot-day cooling
- 10.7 (EER2)
- Below the middle
- 3TZID36H520ZCSwith ducted air handler TZID36H520ZAMTHERMAL ZONE3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 59.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 75% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 8.7 (HSPF2)
- Good
- Cooling efficiency
- 16.1 (SEER2)
- Below the middle
- 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.
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