ZE-542M525
Zephyr · mini-split heat pump
ZE-542M525 is in the certified data as of Sep 19, 2026. ZE-542M525 changed its certified heat output at 47°F on 3 pairings in the certified data between August 2025 and September 2026. The new figure is higher on all 3.
- 42,000 Btu (3.5-ton)
- Mini-split
ZE-542M525 (Zephyr) has the same certified figures as UMC48CN23STG1 (Coleman). See the full figures, the performance chart, and a comparison with other units here:
UMC48CN23STG1 (main listing for ZE-542M525)
Certified pairings and AHRI numbers
3 certified pairings
| AHRI certificate | Indoor unit | Furnace | Certified | At 5°FBtu/h | At 47°FBtu/h | At 95°FBtu/h · cooling |
|---|---|---|---|---|---|---|
| 216684167 | — | No furnace | Jan 14, 2026 | 34,000 | 45,000 | 42,000 |
| 216684168 | — | No furnace | Jan 14, 2026 | 36,000 | 48,000 | 42,000 |
| 216684169 | — | No furnace | Jan 14, 2026 | 35,000 | 46,500 | 42,000 |
Model numbers with these certified figures
Product history
- ZE-542M525 changed its certified heat output at 47°F on 3 pairings in the certified data between August 2025 and September 2026. The new figure is higher on all 3.
- ZE-542M525 first appeared in the certified data between November 2024 and February 2025.