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CIAC vs ROYALTON: heat pump ratings compared
Against heat pumps of the same size and type, a typical CIAC model beats 50% and a typical ROYALTON model 50%. They are level.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
CIAC
50%
of similar heat pumps beaten by its typical model
About average21 models listed
ROYALTON
50%
of similar heat pumps beaten by its typical model
About average21 models listed
- Efficiency on a 5°F dayCOP at 5°FCIAC: Beats 64%ROYALTON: Beats 58%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCIAC: Beats 37%ROYALTON: Beats 20%
- Winter-long heating efficiencyHSPF2CIAC: Beats 54%ROYALTON: Beats 22%
- Summer-long cooling efficiencySEER2CIAC: Beats 45%ROYALTON: Beats 29%
- Hot-day cooling efficiencyEER2CIAC: Beats 39%ROYALTON: Beats 67%
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
- CIAC
- 48%
- ROYALTON
- 19%
Xcel CC
- CIAC
- 24%
- ROYALTON
- 0%
CEE Advanced
- CIAC
- 0%
- ROYALTON
- 0%
ENERGY STAR CC
- CIAC
- 0%
- ROYALTON
- 0%
Top cold-climate picks, ducted 2.5–3 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, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?
CIAC
None of CIAC’s ducted, 2.5–3 tons models qualifies.
ROYALTON
None of ROYALTON’s ducted, 2.5–3 tons models qualifies.
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.
Open the advanced view