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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%
Top cold-climate picks, ducted 3.5–4.5 tons
Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.
Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
KANIONco
- 1KAHU-60IR454BHS17AEwith ducted air handler KAHU-60IR454BHS17AEKANIONcoAlso listed as KAHUO-60IR454BHS17AE4.5 tons · 55,500 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 75% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Seasonal efficiency
- 8.6 (HSPF2)
- Good
- 2KAHU-48IR454BHS17AEwith ducted air handler KAHU-48IR454BHS17AEKANIONcoAlso listed as KAHUO-48IR454BHS17AE4 tons · 47,500 Btu/h · DuctedKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.0 (HSPF2)
- Good
- 3KWSMO-42IR454BHS19KANIONco3.5 tons · 41,000 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets 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
- Seasonal efficiency
- 8.5 (HSPF2)
- Good
THERMAL ZONE
- 1TZID48H520ZCSwith indoor coil TZID60H520ZACD and furnace MGV96U120D5CTHERMAL ZONE4 tons · 45,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 9.1 (HSPF2)
- Great
- 2TZID60H520ZCwith ducted air handler TZID60H520ZATHERMAL ZONE4.5 tons · 55,500 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets 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
- 2.10 (COP at 5°F)
- Good
- Seasonal efficiency
- 8.6 (HSPF2)
- Good
- 3TZID60H520ZCSwith indoor coil TZID60H520ZACD and furnace MGV96U120D5CTHERMAL ZONE4 tons · 50,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets ENERGY STAR CC
- Heat kept at 5°F
- 82% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 8.8 (HSPF2)
- 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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