Calculator › Compare › MrCool vs Senville
MrCool vs Senville Mini Splits: Verified Spec Comparison
Side-by-side, spec-sheet-verified comparison of single-zone wall-mount heat pumps — 4 verified MrCool models vs 4 verified Senville models, every number sourced and dated (2026-06-10).
Key differences (computed from the verified dataset)
- Install: every verified MrCool model is a true DIY quick-connect system; verified Senville models expect professional installation (required to keep the warranty). If you're not paying an installer, that's a $1,500–$3,500 swing in real cost.
- Cooling efficiency: average SEER2 across verified models — MrCool 20.9 vs Senville 20.7.
- Heating efficiency: average HSPF2 (where published) — MrCool 9.1 vs Senville 10.5.
- Cold weather: lowest published operating temperature — MrCool -13°F vs Senville -22°F.
- Warranty: best published compressor coverage — MrCool 7 years vs Senville 10 years (registration required on both).
- Refrigerant/status: verified MrCool DIY models here are 4th Gen R-410A units (being replaced by 5th Gen R-454B as the R-410A phase-out lands); verified Senville models are current R-454B units.
Size-by-size comparison
Some links below are affiliate links — see disclosure.
| Class | MrCool | Senville |
|---|---|---|
| 12,000 BTU | DIY-12-HP-WM-115C25 SEER2 22.5 · HSPF2 9 min -13°F · 115V · DIY install ≈$1,700 (gotductless.com list, Jun 2026) spec ↗ |
SENL-12CD SEER2 21.2 · HSPF2 8.7 min 5°F · 115V · Pro install $799.99 (senville.com, Jun 2026) spec ↗ |
| 18,000 BTU | DIY-18-HP-C-230C25 SEER2 22.7 · HSPF2 9 min — · 208/230V · DIY install price n/a spec ↗ |
SENA-18HF SEER2 21.4 · HSPF2 13.4 min -22°F · 208/230V · Pro install $1,599.99 (senville.com, Jun 2026) spec ↗ |
| 24,000 BTU | DIY-24-HP-WM-230C25 SEER2 20.5 · HSPF2 9.2 min -13°F · 208/230V · DIY install ≈$2,500 (gotductless.com list, Jun 2026) spec ↗ |
SENL-24CD SEER2 18.7 · HSPF2 9.3 min 5°F · 208/230V · Pro install $1,249.99 (senville.com, Jun 2026) spec ↗ |
Green = better value of the pair. “—” = not published on the verified source.
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.
All verified Senville models
Some links below are affiliate links — see disclosure.
| Model | BTU | SEER2 | HSPF2 | Volt | Min temp | Install | Verified price | Source |
|---|---|---|---|---|---|---|---|---|
| Senville LETO SENL-09CD |
9,000 | 21.5 | — | 115V | 5°F | Pro | $699.99 (senville.com, Jun 2026) | spec ↗ |
| Senville LETO SENL-12CD |
12,000 | 21.2 | 8.7 | 115V | 5°F | Pro | $799.99 (senville.com, Jun 2026) | spec ↗ |
| Senville AURA (cold climate) SENA-18HF |
18,000 | 21.4 | 13.4 | 208/230V | -22°F | Pro | $1,599.99 (senville.com, Jun 2026) | spec ↗ |
| Senville LETO SENL-24CD |
24,000 | 18.7 | 9.3 | 208/230V | 5°F | Pro | $1,249.99 (senville.com, Jun 2026) | 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.
FAQ
MrCool or Senville — which mini split is more efficient?
On verified specs (2026-06-10): average SEER2 MrCool 20.9 vs Senville 20.7; average HSPF2 MrCool 9.1 vs Senville 10.5. Per size class the gap varies — see the side-by-side table.
Which is cheaper, MrCool or Senville?
Verified street prices on 2026-06-10: MrCool 12,000 BTU ≈$1,700; MrCool 24,000 BTU ≈$2,500; Senville 9,000 BTU $699.99; Senville 12,000 BTU $799.99; Senville 18,000 BTU $1,599.99; Senville 24,000 BTU $1,249.99. Equipment price is only half the story — installation cost differs sharply if one side is DIY-installable.
Are these specs from the manufacturers?
Yes — every number on this page traces to a manufacturer or authorized-dealer product page linked in the tables, verified on 2026-06-10. Nothing is estimated. Where a spec wasn't published, we show “—” instead of guessing.
Specs change between hardware revisions — always confirm against the linked source before buying. Sizing first: run the calculator.