Best 12,000 BTU Mini Splits Under $1,500
The 12,000 BTU class filtered to under $1,500 of verified equipment price. Our dataset holds 9 verified system(s) here, 9 with first-hand prices from $659 to $1,399.99; the cheapest is the Klimaire KSIE 12k.
Computed from our dataset
- 9 system(s) from our verified dataset appear on this page.
- Price range: $659 to $1,399.99 (verified 2026-11-04).
- Cheapest: Klimaire KSIE 12k at $659 (Heat & Cool).
- Highest SEER2: Senville AURA 12k at 25.4 SEER2.
- Best heating rating: Senville AURA 12k, rated to -22°F.
| 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 |
| Cooper & Hunter MIA 12k CH-RLS12MIA-230VI / CH-RLS12MIA-230VO | 1 | 12,000 | up to ~550 sq ft | 21.3 | 5°F | Pro / flare | $729.57$860.89 at MiniSplitsForLess | Check price |
| Senville LETO 12k SENL-12CD | 1 | 12,000 | 450-750 sq ft | 21.2 | 5°F | Pro / flare | $799.99 at Senville | Check price |
| TOSOT Cosmo 12k Cosmo 12k (230V) | 1 | 12,000 | 650 sq ft | 19 | -13°F | Pro / flare | $809.99 at TOSOT Direct | Check 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 |
| LG Standard 12k KSSAE121A | 1 | 12,000 | up to 550 sq ft | 18 | — | Pro / flare | $929 at HVACDirect | Check price at HVACDirect |
| MRCOOL Advantage 5th Gen 12k (pro install) A-12-HP-115D-O | 1 | 12,000 | up to 550 sq ft | 21.2 | 5°F | Pro / flare | $937 at HVACDirect | Check price at HVACDirect |
| Senville AURA 12k SENA-12HF | 1 | 12,000 | — | 25.4 | -22°F | Pro / flare | $1,399.99 at Sylvane | Check price |
| Senville AURA 12k Ceiling Cassette SENA-12HF-IC | 1 | 12,000 | — | 22.2 | -22°F | Pro / flare | $1,399.99 at Senville | Check price |
Buying notes
- Filtering a class by price is how the value brands surface - check the heating column before celebrating the saving.