Pick the Pioneer Diamante Pro 31,500 BTU 230V if winters reach below 5°F and the room is at the top of the size range. Pick the Senville LETO 30,000 BTU 230V if it's going in a bedroom.
The central trade-off
Efficiency. The Pioneer Diamante Pro 31,500 BTU 230V lists 19 SEER2; the Senville LETO 30,000 BTU 230V lists 20 SEER.
Cold weather. The maker says the Pioneer Diamante Pro 31,500 BTU 230V keeps heating down to -4°F, against 5°F for the Senville LETO 30,000 BTU 230V.
Capacity. 31,500 BTU against 30,000 BTU of cooling.
Noise. The Senville LETO 30,000 BTU 230V lists 34 dB indoors at its quietest, against 36 dB.
Warranty. Pioneer Diamante Pro 31,500 BTU 230V: Five year parts warranty covering all components, upon proper registration after installation. Senville LETO 30,000 BTU 230V: 2 years (parts) / 5 year (compressor). Labor not included.
Side by side
| Specification | Pioneer Diamante Pro 31,500 BTU 230V | Senville LETO 30,000 BTU 230V |
|---|---|---|
| Cooling (maker) | 31500 BTU | 30000 BTU |
| Heating (maker) | 33,000 | Not stated by the maker |
| SEER2 | 19.0 | 20 |
| HSPF2 | 9.0 | Not stated by the maker |
| Heats down to (maker) | -4°F | 5°F |
| Voltage | 230 V | 220 V |
| Refrigerant | R-454b | R-454B |
| Room size (maker) | 1200 sq ft | 1400 sq ft |
| Indoor noise (maker) | 36 db | 34 db |
| Line set included | Not stated by the maker | 16ft. line set |
| Warranty | Five year parts warranty covering all components, upon proper registration after installation. | 2 years (parts) / 5 year (compressor). Labor not included. |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.
Which should you choose?
Choose the Pioneer Diamante Pro 31,500 BTU 230V if
- Winters reach below 5°F
- The room is at the top of the size range