3 Zone Mini Split Systems
Explore high-efficiency ductless mini split systems engineered for single-zone and multi-zone climate control. Featuring inverter compressor technology, ultra-quiet operation, and 2026 low-GWP refrigerant compliance.
System Sizing & Selection Guide
| Capacity / Tonnage | Square Footage Coverage | Electrical Voltage | Recommended Application |
|---|---|---|---|
| 9,000 BTU (0.75 Ton) | Up to 400 sq ft | 115V / 230V | Bedrooms, Home Offices, Sunrooms |
| 12,000 BTU (1.0 Ton) | 400 - 550 sq ft | 115V / 230V | Master Bedrooms, Living Rooms, Garages |
| 18,000 BTU (1.5 Ton) | 550 - 1,000 sq ft | 208/230V | Open Concept Living Areas, Workshops |
| 24,000 BTU (2.0 Ton) | 1,000 - 1,500 sq ft | 208/230V | Large Basements, Commercial Spaces |
| 36,000 BTU (3.0 Ton) | 1,500 - 2,000 sq ft | 208/230V | Whole House / Multi-Room Floor Plans |
Frequently Asked Questions & Expert Guidance
A: As a general guideline: 9,000 BTU covers up to 400 sq ft; 12,000 BTU covers up to 550 sq ft; 18,000 BTU covers up to 1,000 sq ft; 24,000 BTU covers up to 1,500 sq ft; and 36,000 BTU covers up to 2,000 sq ft. For spaces with high ceilings or sun exposure, step up one capacity level.
A: Single-zone 9,000 and 12,000 BTU systems are available in 115V or 208/230V options. All 18,000 BTU and larger units (and multi-zone condensers) require dedicated 208/230V single-phase circuits.
A: Yes, all active systems on Mini Split Systems Direct comply with current EPA low-GWP refrigerant transition standards (R-454B / R-32).
Quick Buyer Navigation & HVAC Guides
- [HVAC Mirage Brand Hub]: Explore full series specifications, submittal sheets, and warranties: Visit HVAC Mirage Brand Hub →
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