Pick the TOSOT 12,000 BTU 115V Mini-Split if you prefer R-32 and it's going in a bedroom. Pick the Senville LETO 12,000 BTU 115V if you need a stated cold-weather rating and you prefer R-454B.
The central trade-off
Efficiency. The TOSOT 12,000 BTU 115V Mini-Split lists 20 SEER2; the Senville LETO 12,000 BTU 115V lists 20.8 SEER.
Cold weather. The Senville LETO 12,000 BTU 115V is rated to heat down to 5°F; the TOSOT 12,000 BTU 115V Mini-Split's listing doesn't state a low-temperature limit.
Refrigerant. R-32 in the TOSOT 12,000 BTU 115V Mini-Split, R-454B in the Senville LETO 12,000 BTU 115V.
Noise. The TOSOT 12,000 BTU 115V Mini-Split lists 24 dB indoors at its quietest, against 28 dB.
In the box. 16 ft. copper line set with the TOSOT 12,000 BTU 115V Mini-Split; 16ft. line set with the Senville LETO 12,000 BTU 115V.
Side by side
| Specification | TOSOT 12,000 BTU 115V Mini-Split | Senville LETO 12,000 BTU 115V |
|---|---|---|
| Cooling (maker) | 12000 BTU | 12000 BTU |
| Heating (maker) | Not stated by the maker | Not stated by the maker |
| SEER2 | 20 | 20.8 |
| HSPF2 | Not stated by the maker | Not stated by the maker |
| Heats down to (maker) | Not stated by the maker | 5°F |
| Voltage | 115 V | 110 V |
| Refrigerant | R-32 | R-454B |
| Room size (maker) | 1500 sq ft | 700 sq ft |
| Indoor noise (maker) | 24 db | 28 db |
| Line set included | 16 ft. copper line set | 16ft. line set |
| Warranty | 5-year warranty | Not stated by the maker |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.
Which should you choose?
Choose the Senville LETO 12,000 BTU 115V if
- You need a stated cold-weather rating
- You prefer R-454B