Klimaire KSIE 12k: Specs, Price & Heating Rating
The Klimaire KSIE 12k is a 12,000 BTU, 1-zone mini split system from Klimaire (model KSIE012-H120-O / KSIE012-H120-IW-2). Manufacturer-stated coverage: 550 sq ft. Manufacturer heating rating: down to 5F. It is a flare-install system in our classification (pro install, or an equipped DIY install with vacuum and gauges). Verified price: $659 at Heat & Cool (checked 2026-11-04).
Computed from our dataset
- 1 system(s) from our verified dataset appear on this page.
- Price range: $659 to $659 (verified 2026-11-04).
- Cheapest: Klimaire KSIE 12k at $659 (Heat & Cool).
- Best heating rating: Klimaire KSIE 12k, rated to 5°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: line sets are paid add-ons. The retailer page contradicts itself on efficiency (21 SEER2 in the title, 22.7 SEER2 in the spec table, 21.5 SEER elsewhere), so we do not publish an efficiency figure for this model.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| Klimaire KSIE 12k KSIE012-H120-O / KSIE012-H120-IW-2 | 1 | 12,000 | 550 sq ft | — | 5°F | Pro / flare | $659$969 at Heat & Cool | 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.