YS21F-18HRDN1
Maxi Air · mini-split heat pump
YS21F-18HRDN1 is in the certified data as of Sep 19, 2026.
- 18,000 Btu (1.5-ton)
- Mini-split
This unit's certified figures are identical to KWSM-18IR410AHS23.5MV (KANIONco). See the full figures, the performance chart, and a comparison with other units here:
KWSM-18IR410AHS23.5MV (main listing for YS21F-18HRDN1)
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 |
|---|---|---|---|---|---|---|
| 217754269 | YS21F-18HRDN1* | No furnace | Apr 27, 2026 | 12,600 | 18,000 | 18,000 |