MWHD018S6S-1P
Lennox · mini-split heat pump
MWHD018S6S-1P is in the certified data as of Sep 19, 2026. MWHD018S6S-1P changed its certified heat output at 47°F on AHRI certificate 216411318 from 18,000 Btu/h to 21,000 Btu/h 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 MWHD018S6-1P (Lennox). See the full figures, the performance chart, and a comparison with other units here:
MWHD018S6-1P (main listing for MWHD018S6S-1P)
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 |
|---|---|---|---|---|---|---|
| 216411318 | MWHD018S6-1P | No furnace | Apr 27, 2026 | 12,500 | 21,000 | 18,000 |
Brands listing this model number
Product history
- MWHD018S6S-1P changed its certified heat output at 47°F on AHRI certificate 216411318 from 18,000 Btu/h to 21,000 Btu/h in the certified data between August 2025 and September 2026.
- MWHD018S6S-1P changed its certified heat output at 47°F on AHRI certificate 216411318 from 21,000 Btu/h to 18,000 Btu/h in the certified data between March 2025 and May 2025.
- MWHD018S6S-1P first appeared in the certified data between November 2024 and February 2025.