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Generallux vs SHARP: heat pump ratings compared
Against heat pumps of the same size and type, a typical Generallux model beats 47% and a typical SHARP model 77%. SHARP rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Generallux
47%
of similar heat pumps beaten by its typical model
About average17 models listed
SHARP
77%
of similar heat pumps beaten by its typical model
Well above average17 models listed
- Efficiency on a 5°F dayCOP at 5°FGenerallux: Beats 39%SHARP: Beats 80%
- Heating power kept at 5°FCapacity at 5°F vs 47°FGenerallux: Beats 41%SHARP: Beats 73%
- Winter-long heating efficiencyHSPF2Generallux: Beats 58%SHARP: Beats 88%
- Summer-long cooling efficiencySEER2Generallux: Beats 59%SHARP: Beats 77%
- Hot-day cooling efficiencyEER2Generallux: Beats 39%SHARP: Beats 70%
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
- Generallux
- 77%
- SHARP
- 100%
Xcel CC
- Generallux
- 71%
- SHARP
- 100%
CEE Advanced
- Generallux
- 0%
- SHARP
- 12%
ENERGY STAR CC
- Generallux
- 0%
- SHARP
- 94%
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?
Generallux
- 1TFM2G18CHAIR454BGenerallux1.5 tons · 18,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 80% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.5 (HSPF2)
- Great
- 2THH12E2S25NAR454Owith ductless indoor unit THH12E2S25NAR454IGenerallux1 ton · 12,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 10.5 (HSPF2)
- Great
- 3TSHG12E2M23NAR45Owith ductless indoor unit TSHG12E2M23NAR45IGenerallux1 ton · 12,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel 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
SHARP
- 1AE-X12ZHU1with ductless indoor unit AY-XP12ZHU1SHARPAlso listed as AE-X12CHU1 ton · 12,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Seasonal efficiency
- 11.0 (HSPF2)
- Great
- 2AE-X18ZHUwith ductless indoor unit AY-XP18ZHUSHARPAlso listed as AE-X18CHU1.5 tons · 18,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.20 (COP at 5°F)
- Great
- Seasonal efficiency
- 11.5 (HSPF2)
- Top 10%
- 3AE-X18ZHU1with ductless indoor unit AY-XP18ZHU1SHARP1.5 tons · 18,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.20 (COP at 5°F)
- Great
- Seasonal efficiency
- 11.5 (HSPF2)
- Top 10%
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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