Fujitsu Altair 700 12,000 BTU
#13 in 12,000 BTUFull review
Very efficient and quiet, for mild winters: it stops heating below 5 °F, so a cold climate needs Fujitsu’s Orion XLTH instead.
3.8/5
For mild to moderate winters: it heats only down to −4 °F and loses some of its heat in deep cold.
- 12,000 BTUSize
- 10,000 Btu/hHeat at 5 °F
- 74%Kept at 5 °F
- 10.5 / 22.5HSPF2 / SEER2
- Pro installInstall
See it at LG
No store we check sells it online; the maker lists where to buy or who installs it.
Pros
- 10-year parts and compressor warranty once registered
- Line set can run up to 82 ft, so the outdoor unit can sit well away from the room
Cons
- Keeps heating only down to −4 °F
- 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) | 12,000 BTU |
| Cooling at 95 °F | 12,000 Btu/h |
| Heating at 47 °F | 13,600 Btu/h |
| Heating at 17 °F (max) | 12,400 Btu/h |
| Heating at 5 °F (max) | 10,000 Btu/h |
| Heat kept at 5 °F | 74% |
| Efficiency (certified) | |
| HSPF2 (Region IV) | 10.5 |
| SEER2 | 22.5 |
| EER2 | 12.8 |
| COP at 5 °F | 1.99 |
| ENERGY STAR | ENERGY STAR Cold Climate |
| AHRI certificate | 215413008 |
| Operating range | |
| Heats down to | -4 °F |
| Cooling range | 14 to 118 °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 | KNUAK121A |
| Outdoor unit | KUSAB121A |
| Build | |
| Indoor noise | 21–41 dB(A) |
| Outdoor noise | 47 dB(A) |
| Wi-Fi | Built in |
| Weight | indoor 22.7 lb / outdoor 68.8 lb |
| Warranty | 10 yr compressor, 10 yr parts |
| Warranty with DIY install | No, a licensed installer is required |
Alternatives in this size
Mitsubishi GX 12,000 BTU
#14 in 12,000 BTUFull review
Mitsubishi’s standard line, quiet and efficient, for milder winters: it loses a good share of its heat in deep cold and stops heating at −5 °F.
MrCool DIY 5th Gen 12,000 BTU 115V
#16 in 12,000 BTUFull review
For someone who wants a true plug-together install with no tools beyond a drill, and a warranty that survives it. Expect to pay well over the price of a flare unit with the same cold-weather output.
Amazon $1,759 MRCOOL DIY Direct $2,370$1,759
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