Fujitsu AOUH42KUAH1
EPA category: Mini or Multi Split · 42,000 Btu/h class · variable-speed · R-32 (GWP:675 | Lower GWP)
Model number as listed: AOUH42KUAH1 · Series as listed: AIRSTAGE H-series
Among the 43 rated 42,000 Btu/h mini- and multi-split outdoor units on this site, the Fujitsu AOUH42KUAH1 lists the second-highest share of 47°F capacity kept at 5°F. The AOUH42KUAH1 is also one of 3 that list at least their full 47°F heating capacity at 5°F. The highest share of 47°F capacity kept at 5°F belongs to the MDV M5OG-42HFN1-M.
Place in the 42,000 Btu/h class
EPA cold-climate designation: Yes, for all 2 certified matches. About the designation.
Its neighbors at 5°F
| Product | Kept at 5°F | Output, Btu/h | COP at 5°F | HSPF2 |
|---|---|---|---|---|
| MDV M5OG-42HFN1-M | 102% | 44,000 | 2.00 | 10.5 |
| Fujitsu AOUH42KUAH1 | 102% | 48,000 | 2.02 | 10.6 |
| Mitsubishi Electric MXZ-SM42NLHZ | 100% | 48,000 | 2.00 | 11.1 |
| Daikin 5MXT40AVJU | 95% | 38,000 | 1.90 | 9.5 |
| LG KUMXA421A | 92% | 44,000 | 2.00 | 11 |
| Mitsubishi Electric MXZ-SM42NAMHZ2 (SEER2 19.75) | 92% | 44,000 | 1.92 | 10.55 |
| Mitsubishi Electric MXZ-SM42NAMHZ2 (SEER2 21.5) | 92% | 44,000 | 2.00 | 11.1 |
| LG KUSXA421A | 91% | 43,500 | 2.20 | 10.8 |
| Boreal MUL42HPJ132OA | 90% | 37,800 | 2.10 | 10 |
Its certified matches (2)
Every top figure on this page comes from one of them, with indoor unit AUUH42KUAS (AHRI reference 217895710). The lowest of them lists SEER2 19.5, HSPF2 10.2 and 102% at 5°F.
Certified as of October 27, 2026; on the market since 2025-10.