LG Multi F RED 18k 2-Zone (12+9): Specs, Price & Heating Rating
The LG Multi F RED 18k 2-Zone (12+9) is a 18,000 BTU, 2-zone mini split system from LG (model KUMXA181A). Manufacturer-stated coverage: 900-1,050 sq ft. Verified SEER2: 20. It is a flare-install system in our classification (pro install, or an equipped DIY install with vacuum and gauges). Verified price: $4,076 at HVACDirect (checked 2026-11-04).
Computed from our dataset
- 1 system(s) from our verified dataset appear on this page.
- Price range: $4,076 to $4,076 (verified 2026-11-04).
- Cheapest: LG Multi F RED 18k 2-Zone (12+9) at $4,076 (HVACDirect).
- Highest SEER2: LG Multi F RED 18k 2-Zone (12+9) at 20 SEER2.
- Against its class (18,000 BTU, 2 zone): class prices run $2,094 to $4,076, median $3,956 - this system sits above the median.
- Dataset note: LG RED technology: 100% heating capacity down to 5F (an absolute minimum temperature was not stated). Licensed-contractor install required for warranty; two line sets required, sold separately.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| LG Multi F RED 18k 2-Zone (12+9) KUMXA181A | 2 | 18,000 | 900-1,050 sq ft | 20 | — | Pro / flare | $4,076 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.