Pioneer Diamante Pro 18k: Specs, Price & Heating Rating
The Pioneer Diamante Pro 18k is a 18,000 BTU, 1-zone mini split system from Pioneer (model WYT018GLSI20RL). Manufacturer-stated coverage: 500-750 sq ft. Verified SEER2: 21. 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: $1,178 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: $1,178 to $1,178 (verified 2026-11-04).
- Cheapest: Pioneer Diamante Pro 18k at $1,178 (Pioneer Mini Split).
- Highest SEER2: Pioneer Diamante Pro 18k at 21 SEER2.
- Best heating rating: Pioneer Diamante Pro 18k, rated to -4°F.
- Against its class (18,000 BTU, 1 zone): class prices run $999.99 to $4,214.25, median $2,909 - this system sits below the median.
- Dataset note: Not DIY: pre-charged condenser (up to 25 ft) with a standard 16 ft flare kit.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| Pioneer Diamante Pro 18k WYT018GLSI20RL | 1 | 18,000 | 500-750 sq ft | 21 | -4°F | Pro / flare | $1,178$1,679 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.