The Best Mini Splits
The best mini-split systems compared — by BTU, SEER2 efficiency, cold-climate heating, DIY-friendliness, zones, warranty and price — with picks for overall, DIY, cold climate and value.
Our picks at a glance
- Best overall: Mitsubishi — Top efficiency and the benchmark Hyper-Heat cold-climate performance, with the longest warranty through a Diamond installer.
- Best value: Gree — Mid-market pricing with a few standout ultra-efficient models — strong specs without the premium badge.
- Best DIY: MrCool — Pre-charged, quick-connect line sets let a homeowner install it without a vacuum pump or EPA-608.
- Best for cold climates: Daikin — The Aurora line heats to about -13°F, backed by the world’s largest HVAC maker and a 12-year parts warranty.
The right mini-split is the one correctly sized for your room, with an inverter compressor and a SEER2 of 18 or higher. Size it first, then compare the field below.
Mini-splits compared
| Brand | DIY | BTU range | SEER2 | Cold-climate heat | Warranty | Equipment price |
|---|---|---|---|---|---|---|
| MrCool | Yes | 9k–36k (single) · up to 4–5 zones | Up to ~21.5 SEER2 | Yes — DIY 4th Gen heats to about -13°F | 7-yr compressor · 5-yr parts (registered) | ≈$1,000–2,200 equipment (single-zone DIY) |
| Pioneer | Yes | 9k–36k (single) · multi available | Up to ~20 SEER2 | Select WYS/Diamante models rated for low-temp heat | 5-yr compressor · 2-yr parts (typical) | ≈$700–1,500 equipment (single-zone) |
| Senville | Yes | 9k–36k (single) · multi available | Up to ~19 SEER2 | LETO/AURA heat down to about -22°F (select models) | 2-yr parts · 5–7-yr compressor | ≈$800–1,700 equipment (single-zone) |
| Cooper&Hunter | Yes | 9k–36k (single) · up to 5 zones | Up to ~20 SEER2 | Hyper series rated for cold-climate heating | 5-yr compressor · 1–2-yr parts | ≈$900–1,900 equipment (single-zone) |
| Mitsubishi | Pro install | 6k–36k (single) · up to 8 zones | Up to ~28 SEER2 | Hyper-Heat (H2i) heats to -13°F at 100% capacity | 12-yr compressor / parts (with Diamond installer) | ≈$1,800–3,500 equipment (single-zone) |
| Daikin | Pro install | 9k–36k (single) · multi-zone | Up to ~24.5 SEER2 | Aurora series heats to about -13°F | 12-yr parts (registered) | ≈$1,700–3,300 equipment (single-zone) |
| Fujitsu | Pro install | 9k–36k (single) · multi-zone | Up to ~24 SEER2 | XLTH series heats to about -15°F | 10–12-yr parts & compressor (registered) | ≈$1,600–3,200 equipment (single-zone) |
| LG | Pro install | 9k–36k (single) · multi-zone | Up to ~25 SEER2 | LG Extended Low Ambient / Red models for cold heat | 10-yr parts & compressor (registered) | ≈$1,400–3,000 equipment (single-zone) |
| Gree | Pro install | 9k–36k (single) · multi-zone | Up to ~38 SEER2 (Sapphire) | Sapphire / Livo GEN4 cold-climate heating | 7–10-yr compressor (registered) | ≈$1,000–2,400 equipment (single-zone) |
Frequently asked questions
What is the best mini split?
For long-term reliability and cold-climate heating, Mitsubishi and Daikin lead; for value and DIY installation, MrCool is the top pick. But the “best” mini-split is really the one correctly sized for your room, with an inverter compressor and a SEER2 of 18 or higher — an oversized premium unit performs worse than a right-sized value one. Size it first, then choose the brand and features.
Is a mini split a heat pump?
Yes — a ductless mini-split is a type of heat pump. It cools by moving heat out of the room and heats by reversing the cycle to pull heat from the outside air indoors, so a single system both cools in summer and heats in winter.
What SEER2 rating is good for a mini split?
Look for a SEER2 of 18 or higher for solid cooling efficiency; premium and cold-climate units exceed SEER2 20 and pair it with a high HSPF2 for heating. Higher ratings cost more up front but lower your running cost, which pays back faster in hot or cold climates where the unit runs a lot.
Do mini splits need professional installation?
Most do — a licensed HVAC technician has to flare, vacuum and charge the refrigerant lines, which legally requires EPA-608 certification. The exception is pre-charged DIY systems (like MrCool DIY) with quick-connect line sets, which a homeowner can install without handling refrigerant; even then, the dedicated electrical circuit should be wired by a licensed electrician.
btuwise is independent and reader-supported. As an Amazon Associate we earn from qualifying purchases. Specs and prices change — confirm current details before buying. Every recommendation starts with correct sizing; use the BTU calculator first.