ACiQ’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.
No store we check sells it online; the maker lists where to buy or who installs it.
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.
| Capacity (certified) | |
|---|---|
| Size (nominal) | 12,000 BTU |
| Cooling at 95 °F | 12,000 Btu/h |
| Heating at 47 °F | 12,000 Btu/h |
| Heating at 17 °F (max) | 12,800 Btu/h |
| Heating at 5 °F (max) | 11,500 Btu/h |
| Heat kept at 5 °F | 96% |
| Efficiency (certified) | |
| HSPF2 (Region IV) | 10.5 |
| SEER2 | 25.4 |
| EER2 | 13.4 |
| COP at 5 °F | 1.80 |
| ENERGY STAR | ENERGY STAR Cold Climate |
| AHRI certificate | 216032335 |
| Operating range | |
| Heats down to | -22 °F |
| Cooling range | -22 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-454B |
| Indoor unit | ACIQ-12W-HH-MD |
| Outdoor unit | ACIQ-12ZPL-HP230C |
| Build | |
| Indoor noise | 19.5–47 dB(A) |
| Outdoor noise | 56 dB(A) |
| Wi-Fi | Optional module |
| Weight | indoor 22.9 lb / outdoor 72.8 lb |
| Warranty | 12 yr compressor, 7 yr parts |
| Warranty with DIY install | No, a licensed installer is required |
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 $1,599.99 Senville $1,599.99Fujitsu’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.
Holds its full rated heat at 5 °F, heats to −13 °F and carries Daikin’s 12-year registered warranty, among the longest here.
Compare the ACiQ Extreme Heat 12,000 BTU with any other mini-split →
More from ACiQ: every ACiQ product ranked.
