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

These essential, manufacturer-approved, and dependable parts are the ideal solution for maintenance, emergency repairs, and optimizing your existing HVAC system or mini split unit.

💡Why Choose South Mini Splits for Your HVAC Parts?

✅ 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 Parts Are Available and Why Do They Matter?

This collection provides components for both mini-split systems and conventional HVAC setups. Getting the right part ensures your system operates at peak efficiency, preventing further damage and maintaining comfort.

  • Mini Split Specific Parts:
  • PC Boards/Control Boards: The "brain" of the indoor and outdoor units; often needed after electrical surges.
  • Blower Motors & Wheels: Critical for moving conditioned air efficiently within the zone.
  • Sensors (Temperature/Coil): Necessary for the unit's inverter technology to modulate output correctly.
  • General HVAC/Accessory Parts:
  • Auxiliary Heat Strips: Essential for providing supplemental heat in very cold climates.
  • WIFI Modules: Upgrades that allow for smart control and scheduling.
  • Line Set Extensions & Couplers: Used by installers to customize line lengths beyond standard pre-charged kits.

The Importance of Genuine Parts (Pro Insight)

When replacing a part, using a genuine, manufacturer-approved component is non-negotiable for system health and warranty compliance.

  • Preventing System Failure: Off-brand or incorrect replacement parts can cause electrical incompatibility, stress the compressor, and lead to total system failure. The cost of a cheap part often outweighs the cost of a full system replacement.
  • Maintaining Efficiency: Components like sensors, fan motors, and control boards are calibrated precisely for the specific unit's inverter technology. Using non-genuine parts disrupts this calibration, leading to efficiency loss and higher energy bills.

Diagnosing the Problem: Before buying a major component like a PC board or compressor, it is crucial to consult your manual or our USA-Based Tech Support. Misdiagnosing the issue can lead to ordering an expensive part that doesn't solve the core problem.

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: Do replacement parts come with a warranty?

A: Yes. Manufacturer parts typically come with a limited component warranty, though the exact duration varies by brand. Note that parts purchased by non-licensed individuals may only qualify for a limited parts-only warranty, not a labor warranty. Always check the specific manufacturer's policy.

Q: How do I find the correct part number for my unit?

A: You should always consult the Technical Data Sheet (TDS) or Parts List specific to your indoor or outdoor unit's model and serial number. This information is usually found on a sticker on the side or bottom of the unit. Using the exact part number is the only way to guarantee compatibility.

Q: Are parts for R454B units available?

A: Yes. As the HVAC industry transitions to the lower-GWP R454B refrigerant, we are stocking the specialized components and parts for these newer systems, ensuring you have access to the latest repair solutions.

Q: Can I return an electronic part if I ordered the wrong one?

A: Due to the delicate nature of electronic components (like PC boards), many manufacturers have strict return policies, often limiting returns on these items to prevent damage from improper installation or static discharge. Always consult our Return and Cancellation Policy before purchasing any electronic component.