Pioneer Diamante Pro 12k: Specs, Price & Heating Rating
The Pioneer Diamante Pro 12k is a 12,000 BTU, 1-zone mini split system from Pioneer (model WYT012ALSI20RL). Manufacturer-stated coverage: 350-500 sq ft. Verified SEER2: 20. Manufacturer heating rating: down to -4F. It is a flare-install system in our classification (pro install, or an equipped DIY install with vacuum and gauges). Verified price: $928 at Pioneer Mini Split (checked 2026-11-04).
Computed from our dataset
- 1 system(s) from our verified dataset appear on this page.
- Price range: $928 to $928 (verified 2026-11-04).
- Cheapest: Pioneer Diamante Pro 12k at $928 (Pioneer Mini Split).
- Highest SEER2: Pioneer Diamante Pro 12k at 20 SEER2.
- Best heating rating: Pioneer Diamante Pro 12k, rated to -4°F.
- Against its class (12,000 BTU, 1 zone): class prices run $659 to $3,792, median $937 - this system sits below the median.
- Dataset note: Not DIY: condenser is factory pre-charged for up to 25 ft, but the included 16 ft line set is a standard flare kit, not pre-charged. 115V model.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| Pioneer Diamante Pro 12k WYT012ALSI20RL | 1 | 12,000 | 350-500 sq ft | 20 | -4°F | Pro / flare | $928$1,329 at Pioneer Mini Split | Check price |
Buying notes
- Specs on this page are exactly the verified fields in our dataset; blanks in the table mean the source did not publish a verifiable figure, and the dataset notes say why where we know.