Mitsubishi Electric PUZ-HA42NKA
EPA category: Mini or Multi Split · 42,000 Btu/h class · variable-speed · R-410A (GWP:2088)
Model number as listed: PUZ-HA42NKA* · Series as listed: P-Series
Among the 43 rated 42,000 Btu/h mini- and multi-split outdoor units on this site, the Mitsubishi Electric PUZ-HA42NKA lists the joint highest heating capacity at 5°F and the lowest SEER2. The PUZ-HA42NKA also lists one of the 3 lowest HSPF2 figures. The same heating capacity at 5°F is listed by the Fujitsu AOUH42KUAH1, the Mitsubishi Electric MXZ-SM42NLHZ and 2 more.
Place in the 42,000 Btu/h class
EPA cold-climate designation: Yes, for its single certified match. About the designation.
Its neighbors at 5°F
| Product | Kept at 5°F | Output, Btu/h | COP at 5°F | HSPF2 |
|---|---|---|---|---|
| LG KUSXA421A | 91% | 43,500 | 2.20 | 10.8 |
| Boreal MUL42HPJ132OA | 90% | 37,800 | 2.10 | 10 |
| TOSOT GWHD21-42H5D | 90% | 37,800 | 2.10 | 10 |
| Mitsubishi Electric PUZ-AK42NLHZ | 89% | 48,000 | 1.80 | 9.2 |
| Mitsubishi Electric PUZ-HA42NKA | 89% | 48,000 | 1.95 | 8.9 |
| Mitsubishi Electric PUZ-HA42NKA1 | 89% | 48,000 | 1.90 | 9.3 |
| Hitachi RAM-X42N5HBA | 89% | 40,000 | 2.00 | 10.5 |
| Friedrich FPHMR42A3A | 88% | 36,000 | 1.84 | 8.95 |
| ComfiAire CA5-42UMTO | 86% | 36,000 | 1.84 | 8.95 |
Top of the 42,000 Btu/h class on Output at 5°F
| Place | Product | Output at 5°F |
|---|---|---|
| joint 1st | Fujitsu AOUH42KUAH1 | 48,000 Btu/h |
| joint 1st | Mitsubishi Electric MXZ-SM42NLHZ | 48,000 Btu/h |
| joint 1st | Mitsubishi Electric PUZ-AK42NLHZ | 48,000 Btu/h |
| joint 1st | Mitsubishi Electric PUZ-HA42NKA | 48,000 Btu/h |
| joint 1st | Mitsubishi Electric PUZ-HA42NKA1 | 48,000 Btu/h |
One certified match
It is listed once, with indoor unit PEAD-A42AA9 (AHRI reference 213362194).
Same ratings, 2 listings
- Mitsubishi Electric PUZ-HA42NKA
- Trane / Mitsubishi Electric TRUZH0421KA
Certified as of October 27, 2026; on the market since 2023-11.