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DIYCOOL vs LG: heat pump ratings compared
Against heat pumps of the same size and type, a typical DIYCOOL model beats 54% and a typical LG model 56%. LG rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
DIYCOOL
54%
of similar heat pumps beaten by its typical model
About average24 models listed
LG
56%
of similar heat pumps beaten by its typical model
Above average100 models listed
- Efficiency on a 5°F dayCOP at 5°FDIYCOOL: Beats 53%LG: Beats 56%
- Heating power kept at 5°FCapacity at 5°F vs 47°FDIYCOOL: Beats 51%LG: Beats 57%
- Winter-long heating efficiencyHSPF2DIYCOOL: Beats 63%LG: Beats 51%
- Summer-long cooling efficiencySEER2DIYCOOL: Beats 60%LG: Beats 49%
- Hot-day cooling efficiencyEER2DIYCOOL: Beats 47%LG: Beats 64%
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
- DIYCOOL
- 79%
- LG
- 86%
Xcel CC
- DIYCOOL
- 71%
- LG
- 78%
CEE Advanced
- DIYCOOL
- 4%
- LG
- 11%
ENERGY STAR CC
- DIYCOOL
- 75%
- LG
- 64%
All-around best, ducted up to 1.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
DIYCOOL
No ducted, up to 1.5 tons model from DIYCOOL.
LG
- 1KUSXA181Awith ducted air handler MSVT24***852FAALG1.5 tons · 17,400 Btu/h · DuctedCold-climate pick, score 80.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 137% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 18.0 (SEER2)
- Good
- Hot-day cooling
- 13.5 (EER2)
- Top 10%
- 2KUSXB181Awith ducted air handler MSVT24***852FAALG1.5 tons · 17,400 Btu/h · DuctedCold-climate pick, score 75.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 124% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 17.5 (SEER2)
- Good
- Hot-day cooling
- 13.5 (EER2)
- Top 10%
- 3KUSXA121Awith ducted air handler KNSLB121ALG1 ton · 12,500 Btu/h · DuctedCold-climate pick, score 70.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.95 (COP at 5°F)
- Good
- Winter efficiency
- 9.8 (HSPF2)
- Good
- Cooling efficiency
- 17.0 (SEER2)
- Good
- Hot-day cooling
- 13.3 (EER2)
- 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.
Open the advanced view