Heats down to −31 °F, the lowest limit here, and makes more than its rated heat at 5 °F. A strong pick for a very cold climate.

Fujitsu’s cold-climate line, with more than its rated heat at 5 °F and very high certified efficiency, for homes heating through a cold winter.
- 9,000 BTUSize
- 15,400 Btu/hHeat at 5 °F
- 128%Kept at 5 °F
- 13.3 / 33.1HSPF2 / SEER2
- Pro installInstall
No store we check sells it online; the maker lists where to buy or who installs it.
- Makes 15,400 Btu/h at 5 °F, more than its rated 12,000 Btu/h
- Among the most efficient here: HSPF2 13.3, SEER2 33.1
- 10-year parts and compressor warranty once registered
- Needs a licensed HVAC installer: a self-install voids the warranty
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Capacity (certified) | |
|---|---|
| Size (nominal) | 9,000 BTU |
| Cooling at 95 °F | 9,000 Btu/h |
| Heating at 47 °F | 12,000 Btu/h |
| Heating at 17 °F (max) | 17,500 Btu/h |
| Heating at 5 °F (max) | 15,400 Btu/h |
| Heat kept at 5 °F | 128% |
| Efficiency (certified) | |
| HSPF2 (Region IV) | 13.3 |
| SEER2 | 33.1 |
| EER2 | 18.8 |
| COP at 5 °F | 2.26 |
| ENERGY STAR | ENERGY STAR Cold Climate |
| AHRI certificate | 214888800 |
| Operating range | |
| Heats down to | -15 °F |
| Cooling range | 14 to 122 °F |
| Installation | |
| Installed by | Professional (sold through installers) |
| Line set connection | Flare fittings (vacuum pump needed) |
| Line set | up to 82 ft |
| Voltage | 230 V |
| Refrigerant | R-32 |
| Indoor unit | ASUH09KZAS |
| Outdoor unit | AOUH09KZAH1 |
| Build | |
| Indoor noise | 23–44 dB(A) |
| Outdoor noise | 46 dB(A) |
| Wi-Fi | Built in |
| Weight | indoor 28 lb / outdoor 86 lb |
| Warranty | 10 yr compressor, 10 yr parts |
| Warranty with DIY install | No, a licensed installer is required |
Alternatives in this size
Senville’s top line makes more than its rated heat at 5 °F, heats to −22 °F and carries a 10-year parts and compressor warranty. Sold online, but the warranty needs a licensed installer.
Amazon $1,499.99 Senville $1,499.99ACiQ’s cold-climate line, sold online, keeps most of its rated heat at 5 °F, heats to −22 °F and gets a 12-year compressor warranty once registered. A certified technician has to install it.
Compare
Compare the Fujitsu Orion XLTH 9,000 BTU with any other mini-split →
More from Fujitsu: every Fujitsu product ranked.