AUO19-42N2-M3H-S
AI Air Conditioning · central heat pump
AUO19-42N2-M3H-S is in the certified data as of Sep 19, 2026. AUO19-42N2-M3H-S changed its certified heat output at 17°F on AHRI certificate 215866709 from 37,000 Btu/h to 39,500 Btu/h in the certified data between August 2025 and September 2026.
- 42,000 Btu (3.5-ton)
- Central
This unit's certified figures are identical to ML42HP230LMNTH-O (Mainline). See the full figures, the performance chart, and a comparison with other units here:
ML42HP230LMNTH-O (main listing for AUO19-42N2-M3H-S)
Certified pairings and AHRI numbers
1 certified pairing · 1 indoor unit
| AHRI certificate | Indoor unit | Furnace | Certified | At 5°FBtu/h | At 47°FBtu/h | At 95°FBtu/h · cooling |
|---|---|---|---|---|---|---|
| 215866709 | AUH2-48N2-DM3E | No furnace | Sep 16, 2026 | 46,000 | 50,000 | 42,000 |
Brands listing this model number
Product history
- AUO19-42N2-M3H-S changed its certified heat output at 17°F on AHRI certificate 215866709 from 37,000 Btu/h to 39,500 Btu/h in the certified data between August 2025 and September 2026.
- AUO19-42N2-M3H-S first appeared in the certified data between September 2024 and November 2024.