M5THS2318A11NAA
Ameristar and RunTru · mini-split heat pump
M5THS2318A11NAA is in the certified data as of Sep 19, 2026. M5THS2318A11NAA changed its certified HSPF2 on 2 pairings from 9.5 to 10.0 in the certified data between August 2025 and September 2026.
- 18,000 Btu (1.5-ton)
- Mini-split
This unit's certified figures are identical to 048-C-TP-18K2V-23S-OUT (Della). See the full figures, the performance chart, and a comparison with other units here:
048-C-TP-18K2V-23S-OUT (main listing for M5THS2318A11NAA)
Certified pairings and AHRI numbers
2 certified pairings · 1 indoor unit
| AHRI certificate | Indoor unit | Furnace | Certified | At 5°FBtu/h | At 47°FBtu/h | At 95°FBtu/h · cooling |
|---|---|---|---|---|---|---|
| 215385436 | M5MHWUN18A1N0AA | No furnace | Sep 25, 2025 | 13,600 | 19,000 | 18,000 |
| 215385440 | M5MHWUN18A1N0AA | No furnace | Sep 25, 2025 | 13,600 | 19,000 | 18,000 |
Brands listing this model number
Product history
- M5THS2318A11NAA changed its certified HSPF2 on 2 pairings from 9.5 to 10.0 in the certified data between August 2025 and September 2026.
- M5THS2318A11NAA changed its certified heat output at 47°F on 2 pairings from 18,000 Btu/h to 19,000 Btu/h in the certified data between August 2025 and September 2026.
- M5THS2318A11NAA changed its certified heat output at 17°F on 2 pairings from 11,000 Btu/h to 15,000 Btu/h in the certified data between August 2025 and September 2026.
- M5THS2318A11NAA changed its certified heat output at 47°F on 2 pairings from 19,000 Btu/h to 18,000 Btu/h in the certified data between November 2024 and February 2025.
- M5THS2318A11NAA changed its certified heat output at 17°F on 2 pairings from 15,000 Btu/h to 11,000 Btu/h in the certified data between November 2024 and February 2025.
- M5THS2318A11NAA was in the certified data by September 2024.