LPS Legacy vs PolarWave: heat pump ratings compared
Against heat pumps of the same size and type, a typical LPS Legacy model beats 61% and a typical PolarWave model 51%. LPS Legacy rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
LPS Legacy
61%
of similar heat pumps beaten by its typical model
Well above average65 models listed
PolarWave
51%
of similar heat pumps beaten by its typical model
About average20 models listed
- Efficiency on a 5°F dayCOP at 5°FLPS Legacy: Beats 61%PolarWave: Beats 52%
- Heating power kept at 5°FCapacity at 5°F vs 47°FLPS Legacy: Beats 59%PolarWave: Beats 44%
- Winter-long heating efficiencyHSPF2LPS Legacy: Beats 69%PolarWave: Beats 58%
- Summer-long cooling efficiencySEER2LPS Legacy: Beats 63%PolarWave: Beats 57%
- Hot-day cooling efficiencyEER2LPS Legacy: Beats 55%PolarWave: Beats 42%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- LPS Legacy
- 83%
- PolarWave
- 75%
Xcel CC
- LPS Legacy
- 74%
- PolarWave
- 65%
CEE Advanced
- LPS Legacy
- 5%
- PolarWave
- 0%
ENERGY STAR CC
- LPS Legacy
- 74%
- PolarWave
- 70%
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?
LPS Legacy
- 1D5CMHAH30EAKLPS Legacy2.5 tons · 30,000 Btu/h · DuctlessCold-climate pick, score 80.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 116% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.7 (HSPF2)
- Great
- Cooling efficiency
- 24.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.2 (EER2)
- Top 10%
- 2D5CMHAH36EAKLPS Legacy3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 78.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.7 (HSPF2)
- Great
- Cooling efficiency
- 23.1 (SEER2)
- Great
- Hot-day cooling
- 13.1 (EER2)
- Great
- 3D5CMRAH30EAKLPS Legacy2.5 tons · 30,000 Btu/h · DuctlessCold-climate pick, score 58.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 84% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 25.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Great
PolarWave
- 1EZ-36Z-M4BPolarWave3 tons · 34,000 Btu/h · DuctlessCold-climate pick, score 41.3Meets 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
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.9 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Good
- 2EZ-36ZPL-HP230Bwith ductless indoor unit EZ-36W-MBPolarWave3 tons · 36,000 Btu/h · DuctlessNot a cold-climate pick: keeps 61% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 61% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.97 (COP at 5°F)
- Below the middle
- Winter efficiency
- 8.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 18.0 (SEER2)
- Below the middle
- Hot-day cooling
- 8.5 (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.
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