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Century vs KANIONco: heat pump ratings compared
Against heat pumps of the same size and type, a typical Century model beats 54% and a typical KANIONco model 46%. Century rates higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
Century
54%
of similar heat pumps beaten by its typical model
About average63 models listed
KANIONco
46%
of similar heat pumps beaten by its typical model
About average91 models listed
- Efficiency on a 5°F dayCOP at 5°FCentury: Beats 57%KANIONco: Beats 49%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCentury: Beats 52%KANIONco: Beats 37%
- Winter-long heating efficiencyHSPF2Century: Beats 44%KANIONco: Beats 45%
- Summer-long cooling efficiencySEER2Century: Beats 40%KANIONco: Beats 48%
- Hot-day cooling efficiencyEER2Century: Beats 53%KANIONco: Beats 38%
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
- Century
- 44%
- KANIONco
- 57%
Xcel CC
- Century
- 27%
- KANIONco
- 33%
CEE Advanced
- Century
- 0%
- KANIONco
- 0%
ENERGY STAR CC
- Century
- 30%
- KANIONco
- 18%
Top cold-climate picks, ductless up to 1.5 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
Century
- 1A-VMH06SV-1with ductless indoor unit B-VMH06SV-1Century0.5 tons · 6,000 Btu/h · DuctlessKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 107% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.09 (COP at 5°F)
- Great
- Seasonal efficiency
- 13.6 (HSPF2)
- Top 10%
- 2A-VMH09SV-1with ductless indoor unit B-VMH09SV-1Century1 ton · 9,000 Btu/h · DuctlessKeeps 88% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 88% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.97 (COP at 5°F)
- Good
- Seasonal efficiency
- 11.5 (HSPF2)
- Top 10%
- 3A-VMH18SV-1with ductless indoor unit B-VMH18SV-1Century1.5 tons · 18,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 11.3 (HSPF2)
- Top 10%
KANIONco
- 1KWSM-06IR410AHS26.5ODUwith ductless indoor unit KWSM-06IR410AHS26.5IDUKANIONco0.5 tons · 6,000 Btu/h · DuctlessKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 107% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.09 (COP at 5°F)
- Great
- Seasonal efficiency
- 13.6 (HSPF2)
- Top 10%
- 2KWSM-09IR410AHS24MVwith ductless indoor unit KWSM-09IR410AHS24MVKANIONco1 ton · 9,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 80% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.11 (COP at 5°F)
- Great
- Seasonal efficiency
- 11.4 (HSPF2)
- Top 10%
- 3KWSM-09IR410AHS28.1ODUwith ductless indoor unit KWSM-09IR410AHS28.1IDUKANIONco1 ton · 9,000 Btu/h · DuctlessKeeps 88% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 88% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.97 (COP at 5°F)
- Good
- Seasonal efficiency
- 11.5 (HSPF2)
- Top 10%
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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