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MrCool Mini Splits: Verified Specs (4 models)
MRCOOL's DIY line is the only true homeowner-installable system in this dataset: pre-charged quick-connect line sets, no vacuum pump, no HVAC technician. The verified models below are 4th Gen (R-410A) units — still widely sold, but being replaced by the 5th Gen (R-454B) line as the refrigerant phase-out lands. Check the linked source for current stock before buying.
Quick facts (from the verified dataset, 2026-06-10)
- Verified models
- 4 (12,000 / 18,000 / 24,000 / 36,000 BTU)
- SEER2 range
- 18–22.7
- DIY installable
- Yes — all verified models
- Refrigerant
- R-410A
- Compressor warranty
- up to 7 years (with registration)
All verified MrCool models
Some links below are affiliate links — see disclosure.
| Model | BTU | SEER2 | HSPF2 | Volt | Min temp | Install | Verified price | Source |
|---|---|---|---|---|---|---|---|---|
| MRCOOL DIY 4th Gen DIY-12-HP-WM-115C25 |
12,000 | 22.5 | 9 | 115V | -13°F | DIY | ≈$1,700 (gotductless.com list, Jun 2026) | spec ↗ |
| MRCOOL DIY 4th Gen DIY-18-HP-C-230C25 |
18,000 | 22.7 | 9 | 208/230V | — | DIY | — | spec ↗ |
| MRCOOL DIY 4th Gen DIY-24-HP-WM-230C25 |
23,000 | 20.5 | 9.2 | 208/230V | -13°F | DIY | ≈$2,500 (gotductless.com list, Jun 2026) | spec ↗ |
| MRCOOL DIY 4th Gen DIY-36-HP-C-230C25 |
36,000 | 18 | — | 208/230V | — | DIY | — | spec ↗ |
Specs verified against the linked source pages on 2026-06-10. “—” = not stated on the verified source (never guessed). Prices move; treat as bands.