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Ductless Mini-Split Systems

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Professional OEM Ductless Mini Split Systems for Residential and Commercial Use

Transform any space with high-efficiency ductless mini split systems. Whether you are a professional installer retrofitting an older home, or outfitting a new addition, HVACProSales offers the premium OEM HVAC equipment you need. Our ductless mini splits provide targeted, energy-efficient heating and cooling without extensive ductwork. Enjoy fast shipping, comprehensive warranties, and pro-grade quality on top brands like MRCOOL.

Understanding Ductless Mini Split Systems

Ductless mini split systems have revolutionized the HVAC industry by offering a highly efficient, customizable approach to heating and cooling. Unlike traditional central air systems that rely on bulky ducts, mini splits deliver conditioned air directly to individual rooms or "zones." A standard system consists of an outdoor compressor/condenser unit and one or more indoor air-handling units, connected by a simple conduit housing the power cable, refrigerant tubing, and condensate drain.

With advanced inverter technology, modern mini splits can achieve SEER2 ratings well above 20, providing exceptional energy savings and precise temperature control. They are the perfect solution for older homes without existing ductwork, room additions, sunrooms, garages, and server rooms.

🔥 How to Choose the Right Ductless Mini Split

FactorGuidancePro Tip
BTU Sizing~20 BTU per sq ftFactor ceiling height and insulation
Single vs Multi-Zone1 room = single; whole home = multiUp to 5 zones on one condenser
Voltage115V (small) or 230V (18K+)Verify dedicated circuit availability
Indoor Unit StyleWall mount, ceiling cassette, floorCassettes are most discreet

Frequently Asked Questions

Are ductless mini splits energy efficient?

Yes, exceptionally so. Because they eliminate ductwork energy losses (up to 30%) and use variable-speed inverter compressors, many mini splits boast SEER2 ratings of 20 or higher.

Can a mini split heat my home in the winter?

Absolutely. Most modern ductless systems are heat pumps. Advanced hyper-heat models can provide reliable indoor heating even when outdoor temperatures drop below -13°F (-25°C).

Do I need a professional to install a mini split?

While traditional mini splits require a licensed HVAC professional, DIY systems like the MRCOOL DIY series come with pre-charged line sets for easier installation by skilled homeowners.

How long do mini split systems last?

With proper maintenance, including regular filter cleaning and annual professional inspections, a high-quality ductless mini split system can last 15 to 20 years.

How do I clean the filters on my mini split?

Open the front panel, remove the reusable mesh filters, wash with mild soap and warm water, let dry completely, and reinstall. Do this every 1–2 months for optimal performance.

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Learn Before You Buy

Our expert guides help you choose and install the right parts:

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