LG Standard 12k: Specs, Price & Heating Rating
The LG Standard 12k is a 12,000 BTU, 1-zone mini split system from LG (model KSSAE121A). Manufacturer-stated coverage: up to 550 sq ft. Verified SEER2: 18. It is a flare-install system in our classification (pro install, or an equipped DIY install with vacuum and gauges). Verified price: $929 at HVACDirect (checked 2026-11-04).
Computed from our dataset
- 1 system(s) from our verified dataset appear on this page.
- Price range: $929 to $929 (verified 2026-11-04).
- Cheapest: LG Standard 12k at $929 (HVACDirect).
- Highest SEER2: LG Standard 12k at 18 SEER2.
- 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: Cheapest complete premium-brand system in our dataset. The 10-year warranty requires licensed-contractor installation and registration. Minimum heating temperature was not stated on the page read.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| LG Standard 12k KSSAE121A | 1 | 12,000 | up to 550 sq ft | 18 | — | Pro / flare | $929 at HVACDirect | Check price at HVACDirect |
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.