4TXM2318A12NU
American Standard and Trane · mini-split heat pump
4TXM2318A12NU is in the certified data as of Sep 19, 2026.
- 18,000 Btu (1.5-ton)
- Mini-split
4TXM2318A12NU (Trane) has the same certified figures as TM18H5O (Tosot). See the full figures, the performance chart, and a comparison with other units here:
TM18H5O (main listing for 4TXM2318A12NU)
Certified pairings and AHRI numbers
2 certified pairings
| AHRI certificate | Indoor unit | Furnace | Certified | At 5°FBtu/h | At 47°FBtu/h | At 95°FBtu/h · cooling |
|---|---|---|---|---|---|---|
| 204340534 | — | No furnace | Jun 13, 2026 | 21,800 | 21,000 | 18,000 |
| 204340535 | — | No furnace | Jun 13, 2026 | 21,800 | 21,000 | 18,000 |
Model numbers with these certified figures
- TM18H5OTosot
- 4TXM2318A12NU · this pageAmerican Standard, Trane
- GWHD(18)ND3JOGree
- KM18UH5OKinghome
- MUD18KCH23S-OACD