4C28SCH33H21
CanAir · mini-split heat pump
4C28SCH33H21 is in the certified data as of Sep 19, 2026. 4C28SCH33H21 changed its certified heat output at 17°F on AHRI certificate 215449723 from 30,000 Btu/h to 32,000 Btu/h in the certified data between August 2025 and September 2026.
- 30,000 Btu (2.5-ton)
- Mini-split
This unit's certified figures are identical to ML33HP230CALH-O (Mainline). See the full figures, the performance chart, and a comparison with other units here:
ML33HP230CALH-O (main listing for 4C28SCH33H21)
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 |
|---|---|---|---|---|---|---|
| 215449723 | 4C28SEH33H21 | No furnace | May 6, 2026 | 35,000 | 36,000 | 33,000 |
Brands listing this model number
Product history
- 4C28SCH33H21 changed its certified heat output at 17°F on AHRI certificate 215449723 from 30,000 Btu/h to 32,000 Btu/h in the certified data between August 2025 and September 2026.
- 4C28SCH33H21 first appeared in the certified data between September 2024 and November 2024.