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Bluefin vs HEMA: heat pump ratings compared
Against heat pumps of the same size and type, a typical Bluefin model beats 53% and a typical HEMA model 33%. Bluefin rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Bluefin
53%
of similar heat pumps beaten by its typical model
About average3 models listed
HEMA
33%
of similar heat pumps beaten by its typical model
Well below average5 models listed
- Efficiency on a 5°F dayCOP at 5°FBluefin: Beats 45%HEMA: Beats 39%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBluefin: Beats 26%HEMA: Beats 19%
- Winter-long heating efficiencyHSPF2Bluefin: Beats 41%HEMA: Beats 43%
- Summer-long cooling efficiencySEER2Bluefin: Beats 73%HEMA: Beats 32%
- Hot-day cooling efficiencyEER2Bluefin: Beats 62%HEMA: Beats 34%
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
- Bluefin
- 100%
- HEMA
- 40%
Xcel CC
- Bluefin
- 67%
- HEMA
- 40%
CEE Advanced
- Bluefin
- 0%
- HEMA
- 0%
ENERGY STAR CC
- Bluefin
- 67%
- HEMA
- 40%
Top cold-climate picks, ductless up to 1.5 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
Bluefin
- 1BFMS09BA-02Owith ductless indoor unit BFMS09BA-02IBluefin1 ton · 9,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.99 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.4 (HSPF2)
- Below the middle
HEMA
- 1DS-2MS1212HC231with ductless indoor unit DS-2MS1212HE231HEMA1 ton · 12,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 72% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Seasonal efficiency
- 10.0 (HSPF2)
- Good
- 2DS-2MS0912HC240with ductless indoor unit DS-2MS0912HE240HEMA1 ton · 9,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 9.5 (HSPF2)
- 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