30,000 BTU Mini Splits: The Class That Barely Exists
Sizing charts list a 30,000 BTU tier for 1,300-1,600 sq ft, but the buy-online residential lines in our verified dataset jump from 24,000 straight to 36,000 BTU - no native 30k system could be verified. What actually serves that band is below: every system whose manufacturer-stated coverage reaches at least 1,400 sq ft, spanning the 24k step-down and the 36k step-up.
Computed from our dataset
- 4 system(s) from our verified dataset appear on this page.
- Price range: $1,299 to $6,860.25 (verified 2026-11-04).
- Cheapest: TOSOT Cosmo 24k at $1,299 (TOSOT Direct).
- Highest SEER2: Mitsubishi FX-Series MXZ 24k 2-Zone Hyper-Heat (12+15) at 20 SEER2.
- Best heating rating: TOSOT Cosmo 24k, rated to -13°F.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| TOSOT Cosmo 24k GWH24AWEXF-D6DNA1FI / GWH24ATEXF-D6DNA1FO | 1 | 24,000 | 1,400 sq ft | 19 | -13°F | Pro / flare | $1,299 at TOSOT Direct | Check price |
| LG Standard 24k KSSAE241A | 1 | 24,000 | up to ~1,500 sq ft | 18 | — | Pro / flare | $1,668 at HVACDirect | Check price at HVACDirect |
| MRCOOL DIY 5th Gen 36k DIY-36-HP-WM-230D25-O | 1 | 36,000 | up to 1,550 sq ft | 18 | — | Pro / flare | $3,469 at Sylvane | Check price |
| Mitsubishi FX-Series MXZ 24k 2-Zone Hyper-Heat (12+15) MXZ-3D24NLHZ | 2 | 24,000 | ~1,200-1,400 sq ft total | 20 | — | Pro / flare | $6,860.25 at HVACDirect | Check price at HVACDirect |
Buying notes
- If your load calculation lands near 30k, the usual real-world answers are a 36k inverter (it modulates down) or a 24k plus a small second zone.
- Be skeptical of no-name 30k listings: in the verified dataset, the class simply does not exist among established lines.