MRCOOL 18,000 BTU Mini Splits
Every verified MRCOOL system at 18,000 BTU in our dataset, across zone counts and lines. Our dataset holds 3 verified system(s) here, 3 with first-hand prices from $1,827 to $2,909; the cheapest is the MRCOOL DIY Easy Pro 18k, 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: $1,827 to $2,909 (verified 2026-11-04).
- Cheapest: MRCOOL DIY Easy Pro 18k at $1,827 (HVACDirect).
- Highest SEER2: MRCOOL DIY 5th Gen 2-Zone 18k (6+6) at 23.9 SEER2.
- Best heating rating: MRCOOL DIY 5th Gen 18k, 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 DIY Easy Pro 18k EZPRO-18-HP-23016D-O | 1 | 18,000 | up to 800 sq ft | 20 | -13°F | True DIY | $1,827 at HVACDirect | Check price at HVACDirect |
| MRCOOL DIY 5th Gen 2-Zone 18k (6+6) DIY-MULTI3-18HP230 | 2 | 18,000 | — | 23.9 | -13°F | Pro / flare | $2,469$2,715.90 at HVACDirect | Check price at HVACDirect |
| MRCOOL DIY 5th Gen 18k DIY-18-HP-WM-230D25-O | 1 | 18,000 | up to 800 sq ft | 21.5 | -13°F | True DIY | $2,909 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.