Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
APLUS vs PRIME: heat pump ratings compared
Against heat pumps of the same size and type, a typical APLUS model beats 17% and a typical PRIME model 20%. PRIME rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
APLUS
17%
of similar heat pumps beaten by its typical model
Well below average31 models listed
PRIME
20%
of similar heat pumps beaten by its typical model
Well below average18 models listed
- Efficiency on a 5°F dayCOP at 5°FAPLUS: Beats 14%PRIME: Beats 44%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAPLUS: Beats 6%PRIME: Beats 15%
- Winter-long heating efficiencyHSPF2APLUS: Beats 23%PRIME: Beats 21%
- Summer-long cooling efficiencySEER2APLUS: Beats 22%PRIME: Beats 18%
- Hot-day cooling efficiencyEER2APLUS: Beats 50%PRIME: Beats 32%
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
- APLUS
- 0%
- PRIME
- 11%
Xcel CC
- APLUS
- 0%
- PRIME
- 11%
CEE Advanced
- APLUS
- 0%
- PRIME
- 0%
ENERGY STAR CC
- APLUS
- 0%
- PRIME
- 0%
All-around best, ducted 3.5–4.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
APLUS
- 1ART-HF48SSMR3-C01/SE134APLUS3.5 tons · 44,500 Btu/h · DuctedNot a cold-climate pick: keeps 40% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 41% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.86 (COP at 5°F)
- Below the middle
- Winter efficiency
- 6.7 (HSPF2)
- Below the middle
- Cooling efficiency
- 13.4 (SEER2)
- Below the middle
- Hot-day cooling
- 11.2 (EER2)
- Good
PRIME
None of PRIME’s ducted, 3.5–4.5 tons models has all five ratings.
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