LG KUSAL092A vs Trane 38 Series (4TXK3809B10NU)
Official ENERGY STAR certified mini-split heat pumps from LG and Trane, ranked in this category.
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Best for: Official 9,000 Btu/h official cooling, 27 official SEER2
Check price at AmazonBest for: Official 9,000 Btu/h official cooling, 27 official SEER2
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | LG KUSAL092A | Trane 38 Series (4TXK3809B10NU) | Weight |
|---|---|---|---|
| Official SEER2The official SEER2 cooling-efficiency rating published on the ENERGY STAR certified mini-split heat pump record, in Btu/Wh. It is the certified combination rating for the outdoor and indoor units shown, not a seasonal bill we measured. Official figures above 28 are clamped at the 28 reference best. | 27 | 27 | 30% |
| Official HSPF2The official HSPF2 heating-efficiency rating published on the ENERGY STAR record, in Btu/Wh. It is the certified combination rating, not a winter heating test we ran. Official figures above 13 are clamped at the 13 reference best. | 13.5 | 11 | 25% |
| Official EER2The official EER2 cooling-efficiency rating published on the ENERGY STAR record, in Btu/Wh. EER2 is a certified steady-state figure at a stated test condition, not a seasonal measurement we made. Official figures above 16 are clamped at the 16 reference best. | 15.8 | 16.6 | 20% |
| Official COP at 5°FThe official coefficient of performance at 5°F published on the ENERGY STAR record. Higher official COP at 5°F means more certified heating output per unit of input at that cold-climate test point. It is a certified laboratory figure, not a test at a house we ran. If the field is blank it is shown as Not listed. Official figures above 2.6 are clamped at the 2.6 reference best. | 2.05 | 1.91 | 25% |
| Official ENERGY STAR unique ID | 4,727,426 | 2,415,498 | info |
| Official outdoor unit model number | KUSAL092A | 4TXK3809B10NU** | info |
| Official indoor unit model number | KNSAL092A | 4MXW3809B10NU** | info |
| Official series name | KUSAL092A | 38 Series | info |
| Official product type | HP - Mini or Multi Split | HP - Mini or Multi Split | info |
| Official cooling capacity | 9,000 Btu/h | 9,000 Btu/h | info |
| Official heating capacity at 47°F | 11,000 Btu/h | 9,000 Btu/h | info |
| Official heating capacity at 17°F | 7,000 Btu/h | 8,200 Btu/h | info |
| Official heating capacity at 5°F | 12,000 Btu/h | 13,000 Btu/h | info |
| Official cold-climate designation | Yes | Yes | info |
| Official ENERGY STAR Most Efficient 2025 | Yes | Yes | info |
| Official refrigerant type | R-32 | R-410A | info |
| Official AHRI reference number | 218861285 | 204340354 | info |
| Official ENERGY STAR date certified | 11/09/2026 | 02/17/2025 | info |
| Official indoor unit brand | Not listed | TRANE | info |
| Also certified under official brand or model listings | Not listed | American Standard 4TXK3809B10NU / indoor 4MXW3809B10NU | info |
| SplitPick score | 8.4/10 | 7.2/10 | 100% |
Where each one comes out ahead
LG KUSAL092A
Better published figure on: Official HSPF2, Official COP at 5°F.
What we like
- Official ENERGY STAR record lists 27 SEER2.
- Official ENERGY STAR record lists 13.5 HSPF2.
- Official ENERGY STAR record lists a cold-climate designation.
Watch out for
- Official ratings are for the certified outdoor and indoor combination shown; a different official indoor head can change the certified figures.
Trane 38 Series (4TXK3809B10NU)
Better published figure on: Official EER2.
What we like
- Official ENERGY STAR record lists 27 SEER2.
- Official ENERGY STAR record lists 11 HSPF2.
- Official ENERGY STAR record lists a cold-climate designation.
Watch out for
- Official ratings are for the certified outdoor and indoor combination shown; a different official indoor head can change the certified figures.
Verdict
Both official ENERGY STAR records list 27 SEER2; compare official HSPF2, official EER2 and official COP at 5°F.
- LG KUSAL092A: ENERGY STAR Certified Mini-Split Heat Pumps (pd_id 4,727,426)
- LG KUSAL092A: ENERGY STAR Product Finder (heat pumps)
- Trane 38 Series (4TXK3809B10NU): ENERGY STAR Certified Mini-Split Heat Pumps (pd_id 2,415,498)
- Trane 38 Series (4TXK3809B10NU): ENERGY STAR Product Finder (heat pumps)
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