Century vs KLIMAIRE: heat pump ratings compared
Against heat pumps of the same size and type, a typical Century model beats 50% and a typical KLIMAIRE model 55%. KLIMAIRE rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Century
50%
of similar heat pumps beaten by its typical model
About average59 models listed
KLIMAIRE
55%
of similar heat pumps beaten by its typical model
About average25 models listed
- Efficiency on a 5°F dayCOP at 5°FCentury: Beats 50%KLIMAIRE: Beats 50%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCentury: Beats 49%KLIMAIRE: Beats 48%
- Winter-long heating efficiencyHSPF2Century: Beats 52%KLIMAIRE: Beats 60%
- Summer-long cooling efficiencySEER2Century: Beats 45%KLIMAIRE: Beats 61%
- Hot-day cooling efficiencyEER2Century: Beats 53%KLIMAIRE: Beats 52%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- Century
- 44%
- KLIMAIRE
- 76%
Xcel CC
- Century
- 41%
- KLIMAIRE
- 72%
CEE Advanced
- Century
- 3%
- KLIMAIRE
- 0%
ENERGY STAR CC
- Century
- 32%
- KLIMAIRE
- 0%
All-around best, ductless 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
Century
- 1A-VHP365A-1Century3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 78.0Meets 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
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.7 (HSPF2)
- Great
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 13.0 (EER2)
- Great
- 2A-VHP284A-1Century2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 72.9Meets 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
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.5 (EER2)
- Great
- 3A-VHP33SA-1with ductless indoor unit B-VHP33SA-1Century3 tons · 33,000 Btu/h · DuctlessCold-climate pick, score 61.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 97% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.98 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 19.5 (SEER2)
- Below the middle
- Hot-day cooling
- 12.0 (EER2)
- Good
KLIMAIRE
- 1KMHR536-H224-4KLIMAIRE3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 72.6Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 103% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 11.3 (HSPF2)
- Top 10%
- Cooling efficiency
- 21.5 (SEER2)
- Good
- Hot-day cooling
- 12.2 (EER2)
- Good
- 2KMIP327-H225-4KLIMAIRE2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 57.5Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 24.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Good
- 3KMIR536-H224-4KLIMAIRE3 tons · 35,000 Btu/h · DuctlessCold-climate pick, score 47.2Meets 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
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 23.1 (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
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