Our verdict
Pick the DELLA Vario 12,000 BTU 115V if you prefer DELLA's support and parts network and its stated figures suit your room. Pick the Senville LETO 12,000 BTU 115V if you need a stated cold-weather rating and it's going in a bedroom.
The central trade-off
Efficiency. The DELLA Vario 12,000 BTU 115V lists 20.5 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 DELLA Vario 12,000 BTU 115V's listing doesn't state a low-temperature limit.
Noise. The Senville LETO 12,000 BTU 115V lists 28 dB indoors at its quietest, against 42 dB.
Side by side
| Specification | DELLA Vario 12,000 BTU 115V | Senville LETO 12,000 BTU 115V |
|---|---|---|
| Cooling (maker) | 12000 BTU | 12000 BTU |
| Heating (maker) | 12000 BTU | Not stated by the maker |
| SEER2 | 20.5 | 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-454B | R-454B |
| Room size (maker) | 550 sq ft | 700 sq ft |
| Indoor noise (maker) | 42 db | 28 db |
| Line set included | Not stated by the maker | 16ft. line set |
| Warranty | Not stated by the maker | 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 DELLA Vario 12,000 BTU 115V if
- You prefer DELLA's support and parts network
- Its stated figures suit your room
Choose the Senville LETO 12,000 BTU 115V if
- You need a stated cold-weather rating
- It's going in a bedroom