MRCOOL 12,000 BTU Mini Splits
Every verified MRCOOL system at 12,000 BTU in our dataset, across zone counts and lines. Our dataset holds 3 verified system(s) here, 3 with first-hand prices from $937 to $2,359; the cheapest is the MRCOOL Advantage 5th Gen 12k (pro install), and 2 of them are true DIY (pre-charged line sets).
Computed from our dataset
- 3 system(s) from our verified dataset appear on this page.
- Price range: $937 to $2,359 (verified 2026-11-04).
- Cheapest: MRCOOL Advantage 5th Gen 12k (pro install) at $937 (HVACDirect).
- Highest SEER2: MRCOOL DIY 5th Gen 12k at 22 SEER2.
- Best heating rating: MRCOOL DIY 5th Gen 12k, rated to -13°F.
- True DIY in this list: 2 system(s) with factory pre-charged line sets.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| 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 |
| MRCOOL DIY Easy Pro 12k EZPRO-12-HP-11516D-O | 1 | 12,000 | up to 550 sq ft | 19.5 | -13°F | True DIY | $1,649 at HVACDirect | Check price at HVACDirect |
| MRCOOL DIY 5th Gen 12k DIY-12-HP-WM-115D25-O | 1 | 12,000 | up to 550 sq ft | 22 | -13°F | True DIY | $2,359 at HVACDirect | Check price at HVACDirect |
Buying notes
- Within one brand and one size, the spread is usually line (value vs cold-climate vs DIY), not capacity - read the heating and install columns first.