Century vs KLIMAIRE: heat pump ratings compared
Against heat pumps of the same size and type, a typical Century model beats 54% and a typical KLIMAIRE model 52%. Century rates slightly 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
KLIMAIRE
52%
of similar heat pumps beaten by its typical model
About average63 models listed
- Efficiency on a 5°F dayCOP at 5°FCentury: Beats 57%KLIMAIRE: Beats 46%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCentury: Beats 52%KLIMAIRE: Beats 44%
- Winter-long heating efficiencyHSPF2Century: Beats 44%KLIMAIRE: Beats 53%
- Summer-long cooling efficiencySEER2Century: Beats 40%KLIMAIRE: Beats 54%
- Hot-day cooling efficiencyEER2Century: Beats 53%KLIMAIRE: Beats 40%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- Century
- 44%
- KLIMAIRE
- 52%
Xcel CC
- Century
- 27%
- KLIMAIRE
- 33%
CEE Advanced
- Century
- 0%
- KLIMAIRE
- 2%
ENERGY STAR CC
- Century
- 30%
- KLIMAIRE
- 0%
Top cold-climate picks, ductless 5 tons and up
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, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?
Century
No ductless, 5 tons and up model from Century.
KLIMAIRE
No ductless, 5 tons and up model from KLIMAIRE.
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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