AIR-CON vs Century: heat pump ratings compared
Against heat pumps of the same size and type, a typical AIR-CON model beats 45% and a typical Century model 50%. Century rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
AIR-CON
45%
of similar heat pumps beaten by its typical model
About average41 models listed
Century
50%
of similar heat pumps beaten by its typical model
About average59 models listed
- Efficiency on a 5°F dayCOP at 5°FAIR-CON: Beats 57%Century: Beats 50%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAIR-CON: Beats 33%Century: Beats 49%
- Winter-long heating efficiencyHSPF2AIR-CON: Beats 45%Century: Beats 52%
- Summer-long cooling efficiencySEER2AIR-CON: Beats 43%Century: Beats 45%
- Hot-day cooling efficiencyEER2AIR-CON: Beats 39%Century: Beats 53%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- AIR-CON
- 44%
- Century
- 44%
Xcel CC
- AIR-CON
- 34%
- Century
- 41%
CEE Advanced
- AIR-CON
- 0%
- Century
- 3%
ENERGY STAR CC
- AIR-CON
- 0%
- Century
- 32%
All-around best, ductless 5 tons and up
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?
AIR-CON
No ductless, 5 tons and up model from AIR-CON.
Century
No ductless, 5 tons and up model from Century.
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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