ACIQ vs York: heat pump ratings compared
Against heat pumps of the same size and type, a typical ACIQ model beats 47% and a typical York model 51%. York rates slightly higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
ACIQ
47%
of similar heat pumps beaten by its typical model
About average161 models listed
York
51%
of similar heat pumps beaten by its typical model
About average179 models listed
- Efficiency on a 5°F dayCOP at 5°FACIQ: Beats 48%York: Beats 69%
- Heating power kept at 5°FCapacity at 5°F vs 47°FACIQ: Beats 43%York: Beats 50%
- Winter-long heating efficiencyHSPF2ACIQ: Beats 44%York: Beats 37%
- Summer-long cooling efficiencySEER2ACIQ: Beats 45%York: Beats 38%
- Hot-day cooling efficiencyEER2ACIQ: Beats 50%York: Beats 57%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- ACIQ
- 41%
- York
- 26%
Xcel CC
- ACIQ
- 32%
- York
- 26%
CEE Advanced
- ACIQ
- 1%
- York
- 1%
ENERGY STAR CC
- ACIQ
- 19%
- York
- 2%
All-around best, ducted 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating 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?
ACIQ
- 1ES-27Z-M3BACIQ2.5 tons · 28,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 67% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.2 (HSPF2)
- Good
- Cooling efficiency
- 21.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 2ACIQ-27Z-HH-M3BACIQ2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3HVH837GKA2*with indoor coil EA*4X61L24A*+WALLCON and furnace *80CTL1352422AACIQAlso listed as HVH837GKA3 tons · 33,200 Btu/h · DuctedCold-climate pick, score 77.0Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 78% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.02 (COP at 5°F)
- Good
- Winter efficiency
- 8.5 (HSPF2)
- Good
- Cooling efficiency
- 18.0 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Great
York
- 1YMSJYH048BAAND-1with ducted air handler YMSJXH048BAAN--5York3 tons · 34,200 Btu/h · DuctedNot a cold-climate pick: keeps 61% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 62% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.02 (COP at 5°F)
- Good
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Great
- 2YZT36B21with ducted air handler AE(D,N,U)+CM48E44+TDRYork2.5 tons · 32,600 Btu/h · DuctedNot a cold-climate pick: keeps 68% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 68% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.78 (COP at 5°F)
- Top 10%
- Winter efficiency
- 7.8 (HSPF2)
- Below the middle
- Cooling efficiency
- 18.2 (SEER2)
- Great
- Hot-day cooling
- 13.0 (EER2)
- Top 10%
- 3YZV36B21with ducted air handler JHVVB36DE2C2N1+CCYork2.5 tons · 32,000 Btu/h · DuctedCold-climate pick, score 65.4Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 79% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Good
- Winter efficiency
- 8.5 (HSPF2)
- Good
- Cooling efficiency
- 19.5 (SEER2)
- Great
- Hot-day cooling
- 12.4 (EER2)
- 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
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