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Welcome to the South Mini Splits collection for Ducted System. We feature high-efficiency systems from industry leaders like Cooper & Hunter, OLMO, MRCOOL, and Bravo.

These systems provide whole-home comfort through discreet installation, connecting to traditional ductwork while maintaining the superior efficiency of mini-split technology.

💡Why Choose South Mini Splits for Your Ducted System?

✅ Wholesale Pricing: Competitive rates on top-tier HVAC equipment.

✅ USA-Based Support: Expert help from sizing to post-install troubleshooting.

✅ Free Shipping Over $300: Get your complete system delivered fast.

What is a Ducted Mini Split System?

A Ducted Mini Split System uses a central indoor air handler or concealed duct unit to distribute conditioned air through a network of existing or new ductwork, providing uniform climate control across multiple rooms or an entire floor.

Ducted Applications & Advantages

Ducted mini splits are the ideal solution when maintaining aesthetics and whole-home consistency is a priority:

  • Whole-Home Replacement: They offer a high-efficiency alternative to traditional central AC and heat pumps, connecting seamlessly to the home’s existing ductwork and vents.
  • Remodeling & New Construction: Concealed Ducted Units are installed in attics, ceilings, or crawl spaces, hiding the indoor unit entirely while providing temperature consistency across all rooms connected to the air distribution system.
  • Zoning Control (Multi-Zone Integration): A Ducted Air Handler can function as one zone in a larger multi-zone system, allowing for independent temperature control over a large area (like a living room and hallway) while other zones use wall mounts or ceiling cassettes.
  • Noise Reduction: Since the unit is concealed outside the living space (in a closet, ceiling, or attic), ducted units offer the quietest operational experience.

Technical Insight: The Importance of Static Pressure

For customers installing or replacing a ducted unit, understanding static pressure is crucial for system performance:

  • What is Static Pressure? Static pressure measures the resistance to airflow caused by duct friction, filters, and dampers. High static pressure forces the blower to work harder, decreasing airflow and efficiency.
  • Ducted System Design: Modern mini-split air handlers are designed to handle higher external static pressure than many residential units, offering greater flexibility in duct design.

Avoiding Short Cycling: Just like other mini-splits, the Ducted Air Handler must be correctly sized (BTU capacity) for the area it serves. Proper sizing, combined with the modulating capabilities of Inverter technology, ensures the system runs for longer, steadier cycles, providing superior dehumidification and preventing inefficient short cycling.

Mini Split BTU Sizing & Application Guide

Use our quick reference chart to match your room size with the ideal system capacity.

Capacity Sq. Footage Application
6,000 BTU150–250Small bedrooms & offices
9,000 BTU250–450Standard bedrooms
12,000 BTU450–600Kitchens & studios
18,000 BTU600–1,000Living rooms & garages
24,000 BTU1,000–1,200Open floor plans
36,000 BTU1,500–1,700Commercial & fitness
48,000 BTU1,900–2,100Large warehouses
60,000 BTU2,400–2,800+Commercial estates

When to "Size Up"

High Ceilings (10ft+)

If your ceilings are 10 feet or higher, you are cooling a larger volume of air. We recommend increasing your BTU choice by 20%.

Poor Insulation

For older homes or buildings with single-pane windows, opt for the next size up to ensure the unit can maintain the set temperature.

Kitchen Environments

Appliances generate significant heat. If the unit is for a kitchen, add 4,000 BTUs to your square footage calculation.

Heavy Sun Exposure

Rooms with large south-facing windows or "sunrooms" act like greenhouses. Increase your BTU capacity by 10-15%

Occupancy

If the area regularly hosts more than two people (like a conference room or classroom), add 600 BTUs per additional person..

Need Help Sizing?

If you aren't sure which unit is right for your project, use our BTU Calculator or contact our USA-based support team for a custom recommendation.

Open BTU Calculator

FAQs/Frequently Asked Questions

Q: Are ducted mini splits only for concealed installation?

A: No. While Concealed Ducted Units are designed to be hidden, the term "ducted mini split" also includes Air Handlers that might be installed in a utility closet or attic, replacing a traditional HVAC unit while using the existing ductwork.

Q: Can I connect multiple ducted units to a single outdoor condenser?

A: Yes. Many multi-zone outdoor condensers are flexible, allowing you to connect two or more ducted air handlers, or mix them with other indoor styles (like wall mount units) to optimize comfort and aesthetics across different zones.

Q: Are ducted systems more efficient than traditional central AC?

A: Typically, yes. Ducted mini splits use advanced inverter technology, allowing the compressor to modulate output and only consume the minimal energy necessary to maintain the set temperature. This results in significantly higher SEER ratings and energy savings compared to conventional fixed-speed systems.

Q: How do I size a ducted system for my home?

A: Ducted system sizing is more complex than single-room sizing and requires a Manual J load calculation to account for the total volume of all rooms, duct loss, insulation, and windows. We strongly recommend requesting a quote or using our technical support team for precise sizing.