The Senville Elite 9,000 BTU is the better mini-split overall, rated 4.8 to 2.9. The Senville Elite 9,000 BTU leads on cold weather, efficiency and warranty. The Senville Leto 9,000 BTU costs $700 less ($799.99 vs $1,499.99).
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 $1,499.99Senville’s budget line, for cooling and mild winters: it stops heating below 5 °F, and the 5-year warranty needs a licensed installer.
Senville $799.99Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every 9,000 BTU mini-split; a clear win is highlighted. How we rank explains each one.
| Factor weight | Senville Elite 9,000 BTU | Senville Leto 9,000 BTU |
|---|---|---|
| Overall rating | 4.8/5 | 2.9/5 |
| Cold weather 40% | 100 keeps 112% of its heat at 5 °F, heats down to -22 °F | 24 keeps 70% of its heat at 5 °F, heats down to 5 °F |
| Efficiency 30% | 86 14.6 HSPF2, 33.3 SEER2, COP 2.00 at 5 °F | 45 9.1 HSPF2, 21.2 SEER2, COP 2.07 at 5 °F |
| Warranty 20% | 100 10-year compressor, 10-year parts | 49 5-year compressor, 5-year parts |
| Noise 10% | 81 indoor unit from 23 dB(A) | 81 indoor unit from 23 dB(A) |
| Senville Elite 9,000 BTU | Senville Leto 9,000 BTU | |
|---|---|---|
| Capacity (certified) | ||
| Size (nominal) | 9,000 BTU | 9,000 BTU |
| Cooling at 95 °F | 9,000 Btu/h | 9,000 Btu/h |
| Heating at 47 °F | 12,000 Btu/h | 10,000 Btu/h |
| Heating at 17 °F (max) | 14,600 Btu/h | 8,300 Btu/h |
| Heating at 5 °F (max) | 13,500 Btu/h | 7,000 Btu/h |
| Heat kept at 5 °F | 112% | 70% |
| Price per 1,000 Btu/h at 5 °F | $111 | $114 |
| Efficiency (certified) | ||
| HSPF2 (Region IV) | 14.6 | 9.1 |
| SEER2 | 33.3 | 21.2 |
| EER2 | 17 | 12.6 |
| COP at 5 °F | 2.00 | 2.07 |
| ENERGY STAR | ENERGY STAR Cold Climate | ENERGY STAR Cold Climate |
| AHRI certificate | 217607367 | 215735288 |
| Operating range | ||
| Heats down to | -22 °F | 5 °F |
| Installation | ||
| Installed by | Professional (sold through installers) | Professional (sold through installers) |
| Line set connection | Flare fittings (vacuum pump needed) | Flare fittings (vacuum pump needed) |
| Line set | up to 82 ft | up to 82 ft |
| Voltage | 230 V | 230 V |
| Refrigerant | R-454B | R-454B |
| Indoor unit | SENE-09EL-IHH | SENL-09CD220-ILL |
| Outdoor unit | SENE-09EL-OH | SENL-09CD220-OL |
| Build | ||
| Indoor noise | 23–41.5 dB(A) | 23–40.5 dB(A) |
| Outdoor noise | 57 dB(A) | - |
| Wi-Fi | Built in | Built in |
| Room size (maker) | up to 450 sq ft | up to 450 sq ft |
| Weight | indoor 28.2 lb / outdoor 99.7 lb | indoor 17 lb / outdoor 54.2 lb |
| Warranty | 10 yr compressor, 10 yr parts | 5 yr compressor, 5 yr parts |
| Warranty with DIY install | No, a licensed installer is required | No, a licensed installer is required |
