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PREMIUM LEVELLA vs THERMOCORE SYSTEMS: heat pump ratings compared
Against heat pumps of the same size and type, a typical PREMIUM LEVELLA model beats 47% and a typical THERMOCORE SYSTEMS model 61%. THERMOCORE SYSTEMS rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
PREMIUM LEVELLA
47%
of similar heat pumps beaten by its typical model
About average17 models listed
THERMOCORE SYSTEMS
61%
of similar heat pumps beaten by its typical model
Well above average17 models listed
- Efficiency on a 5°F dayCOP at 5°FPREMIUM LEVELLA: Beats 55%THERMOCORE SYSTEMS: Beats 61%
- Heating power kept at 5°FCapacity at 5°F vs 47°FPREMIUM LEVELLA: Beats 35%THERMOCORE SYSTEMS: Beats 55%
- Winter-long heating efficiencyHSPF2PREMIUM LEVELLA: Beats 47%THERMOCORE SYSTEMS: Beats 68%
- Summer-long cooling efficiencySEER2PREMIUM LEVELLA: Beats 48%THERMOCORE SYSTEMS: Beats 65%
- Hot-day cooling efficiencyEER2PREMIUM LEVELLA: Beats 42%THERMOCORE SYSTEMS: Beats 57%
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
- PREMIUM LEVELLA
- 71%
- THERMOCORE SYSTEMS
- 100%
Xcel CC
- PREMIUM LEVELLA
- 47%
- THERMOCORE SYSTEMS
- 71%
CEE Advanced
- PREMIUM LEVELLA
- 0%
- THERMOCORE SYSTEMS
- 0%
ENERGY STAR CC
- PREMIUM LEVELLA
- 41%
- THERMOCORE SYSTEMS
- 0%
Top cold-climate picks, ductless 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
PREMIUM LEVELLA
- 1PIAWMZ4282480ABPREMIUM LEVELLA3.5 tons · 42,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 81% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 10.5 (HSPF2)
- Good
THERMOCORE SYSTEMS
- 1T7HH22X-H272-CTHERMOCORE SYSTEMS4.5 tons · 52,000 Btu/h · DuctlessKeeps 86% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 86% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.05 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.6 (HSPF2)
- Good
- 2T7C20S-H248-Cwith ductless indoor unit T7C20S-H248-ECTHERMOCORE SYSTEMS4 tons · 48,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets Xcel CC
- Heat kept at 5°F
- 81% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.11 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 9.9 (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.
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