T
#60
Trane 38 Series (4TXK3812A10NU)
Best for: Official 12,000 Btu/h official cooling, 24 official SEER2
4.6/10
What we like
- Official ENERGY STAR record lists 24 SEER2.
- Official ENERGY STAR record lists a cold-climate designation.
Watch out for
- Official ENERGY STAR record lists 8.5 HSPF2.
Score breakdown
| Official SEER2 | 24 |
|---|---|
| Official HSPF2 | 8.5 |
| Official EER2 | 14 |
| Official COP at 5°F | 1.91 |
| Official ENERGY STAR unique ID | 2,415,314 |
| Official outdoor unit model number | 4TXK3812A10NU** |
| Official indoor unit model number | 4MXW3812A10NU** |
| Official series name | 38 Series |
| Official product type | HP - Mini or Multi Split |
| Official cooling capacity | 12,000 Btu/h |
| Official heating capacity at 47°F | 12,200 Btu/h |
| Official heating capacity at 17°F | 10,300 Btu/h |
| Official heating capacity at 5°F | 12,000 Btu/h |
| Official cold-climate designation | Yes |
| Official ENERGY STAR Most Efficient 2025 | Yes |
| Official refrigerant type | R-410A |
| Official AHRI reference number | 9150123 |
| Official indoor unit brand | TRANE |
| Also certified under official brand or model listings | American Standard 4TXK3812A10NU / indoor 4MXW3812A10NU |
| Official ENERGY STAR date certified | 06/13/2026 |
| Price | Check price |