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FRASER - JOHNSTON vs PRIME: heat pump ratings compared
One of these brands has too few models with every rating for an overall score; see each rating below.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
FRASER - JOHNSTON
—
of similar heat pumps beaten by its typical model
Not enough rated models18 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°FFRASER - JOHNSTON: Not ratedPRIME: Beats 44%
- Heating power kept at 5°FCapacity at 5°F vs 47°FFRASER - JOHNSTON: Not ratedPRIME: Beats 15%
- Winter-long heating efficiencyHSPF2FRASER - JOHNSTON: Beats 8%PRIME: Beats 21%
- Summer-long cooling efficiencySEER2FRASER - JOHNSTON: Beats 8%PRIME: Beats 18%
- Hot-day cooling efficiencyEER2FRASER - JOHNSTON: Beats 48%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
- FRASER - JOHNSTON
- 0%
- PRIME
- 11%
Xcel CC
- FRASER - JOHNSTON
- 0%
- PRIME
- 11%
CEE Advanced
- FRASER - JOHNSTON
- 0%
- PRIME
- 0%
ENERGY STAR CC
- FRASER - JOHNSTON
- 0%
- PRIME
- 0%
All-around best, ductless 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
FRASER - JOHNSTON
No ductless, 2.5–3 tons model from FRASER - JOHNSTON.
PRIME
- 1CMPRN362-V1with ductless indoor unit EMPRN362-V1PRIME3 tons · 35,000 Btu/h · DuctlessNot a cold-climate pick: keeps 50% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 51% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 8.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 17.0 (SEER2)
- Below the middle
- Hot-day cooling
- 9.5 (EER2)
- Below the middle
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