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DIY Mini Split Systems

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MRCOOL 18,000 BTU DIY Mini Split Heat Pump 5th Gen Easy Pro 230V 16ft Line Set

SKU: EZPRO-18-HP-23016D-O
Product ID: 40004
$0.00 - $0.00
$0.00
$1,975.00
$1,975.00 - $1,975.00
$1,975.00

Product Details MRCOOL DIY EasyPro 5th Generation 18,000 BTU 230V Ductless Mini Split Heat Pump System EZPRO-18-HP-23016D-O The MRCOOL DIY EasyPro...

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MRCOOL A-36-HP-230D-O

MRCOOL 36,000 BTU Advantage Mini Split Heat Pump System 230V + 16' Line Set

SKU: A-36-HP-230D-O
Product ID: 50277
$0.00 - $0.00
$0.00
$2,579.00
$2,579.00 - $2,579.00
$2,579.00

Product Details MRCOOL 36K BTU Advantage Mini Split Heat Pump Condenser 5th Gen R454B 230V A-36-HP-C-230D-O The MRCOOL® Advantage Series 5th Gener...

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MRCOOL A-24-HP-230D-O

MRCOOL 24,000 BTU Advantage Mini Split Heat Pump System 230V + 16' Line Set

SKU: A-24-HP-230D-O
Product ID: 50276
$0.00 - $0.00
$0.00
$1,862.00
$1,862.00 - $1,862.00
$1,862.00

Product Details MRCOOL 24K BTU Advantage Mini Split Heat Pump Condenser 5th Gen R454B 230V A-24-HP-C-230D-O The MRCOOL® Advantage Series 5th Gener...

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MRCOOL A-18-HP-230D-O

MRCOOL 18,000 BTU Advantage Mini Split Heat Pump System 230V + 16' Line Set

SKU: A-18-HP-230D-O
Product ID: 50275
$0.00 - $0.00
$0.00
$1,580.00
$1,580.00 - $1,580.00
$1,580.00

Product Details MRCOOL 18K BTU Advantage Mini Split Heat Pump Condenser 5th Gen R454B 230V A-18-HP-C-230D-O The MRCOOL® Advantage Series 5th Gener...

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MRCOOL A-12-HP-115D-O

MRCOOL 12,000 BTU Advantage Mini Split Heat Pump System 115V + 16' Line Set

SKU: A-12-HP-115D-O
Product ID: 50274
$0.00 - $0.00
$0.00
$1,337.00
$1,337.00 - $1,337.00
$1,337.00

Product Details MRCOOL 12K BTU Advantage Mini Split Heat Pump Condenser 5th Gen R454B 115V A-12-HP-C-115D-O The MRCOOL® Advantage Series 5th Gener...

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MRCOOL A-12-HP-230D-O

MRCOOL 12,000 BTU Advantage Mini Split Heat Pump System 230V + 16' Line Set

SKU: A-12-HP-230D-O
Product ID: 50273
$0.00 - $0.00
$0.00
$1,305.00
$1,305.00 - $1,305.00
$1,305.00

Product Details MRCOOL 12K BTU Advantage Mini Split Heat Pump Condenser 5th Gen R454B 230V A-12-HP-C-230D-O The MRCOOL® Advantage Series 5th Gener...

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MRCOOL A-09-HP-230D-O

MRCOOL 9,000 BTU Advantage Mini Split Heat Pump System 230V + 16' Line Set

SKU: A-09-HP-230D-O
Product ID: 50272
$0.00 - $0.00
$0.00
$1,166.00
$1,166.00 - $1,166.00
$1,166.00

Product Details MRCOOL 9,000 BTU Advantage Mini Split Heat Pump Condenser 5th Gen R454B 230V A-09-HP-C-230D-O The MRCOOL® Advantage Series 5th Gen...

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MRCOOL A-09-HP-115D-O

MRCOOL 9,000 BTU Advantage Mini Split Heat Pump System 115V + 16' Line Set

SKU: A-09-HP-115D-O
Product ID: 50271
$0.00 - $0.00
$0.00
$1,199.00
$1,199.00 - $1,199.00
$1,199.00

Product Details MRCOOL 9,000 BTU Advantage Mini Split Heat Pump Condenser 5th Gen R454B 115V A-09-HP-C-115D-O The MRCOOL® Advantage Series 5th Gen...

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MRCOOL DIY-36-HP-WM-230D25-O

MRCOOL 36,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 25ft Line Set

SKU: DIY-36-HP-WM-230D25-O
Product ID: 50278
$0.00 - $0.00
$0.00
$3,769.00
$3,769.00 - $3,769.00
$3,769.00

Product Details MRCOOL 36K BTU 18 SEER2 Mini Split Heat Pump Condenser DIY 5th Gen R454B DIY-36-HP-C-230D25-O The MRCOOL DIY‑36‑HP‑C‑230D25‑O is a...

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MRCOOL 9,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 115V 25ft Line Set

SKU: DIY-09-HP-WM-115D25-O
Product ID: 040010
$0.00 - $0.00
$0.00
$2,450.00
$2,450.00 - $2,450.00
$2,450.00

Product Details MRCOOL DIY 5th Generation 9,000 BTU Mini Split System DIY-09-HP-WM-115D25-O Effortless Comfort for Smaller Spaces (Up to 400 sq. f...

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MRCOOL 24,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 25ft Line Set

SKU: DIY-24-HP-WM-230D25-O
Product ID: 40008
$0.00 - $0.00
$0.00
$3,329.00
$3,329.00 - $3,329.00
$3,329.00

Product Details MRCOOL DIY 5th Generation 24,000 BTU Single Zone Mini Split System DIY-24-HP-WM-230D25-O Perfect for Large Spaces (750–1,000 sq. f...

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MRCOOL 18,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 25ft Line Set

SKU: DIY-18-HP-WM-230D25-O
Product ID: 40007
$0.00 - $0.00
$0.00
$2,909.00
$2,909.00 - $2,909.00
$2,909.00

Product Details MRCOOL DIY 5th Generation 18,000 BTU Mini Split System DIY-18-HP-WM-230D25-O Upgrade your home's comfort and efficiency with the M...

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MRCOOL 12,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 115V 25ft Line Set

SKU: DIY-12-HP-WM-115D25-O
Product ID: 40006
$0.00 - $0.00
$0.00
$2,450.00
$2,450.00 - $2,450.00
$2,450.00

Product Details MRCOOL DIY® 5th Generation 12,000 BTU Mini Split System – Efficient Heating and Cooling for Up to 550 sq. ft. Take total control o...

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MRCOOL 24,000 BTU DIY Mini Split Heat Pump 5th Gen Easy Pro 230V 16ft Line Set

SKU: EZPRO-24-HP-23016D-O
Product ID: 40005
$0.00 - $0.00
$0.00
$2,250.00
$2,250.00 - $2,250.00
$2,250.00

Product Details MRCOOL EasyPro 5th Generation 24,000 BTU 230V Ductless Mini Split Heat Pump Complete System EZPRO-24-HP-23016D-O The MRCOOL EasyPr...

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MRCOOL 12,000 BTU DIY Mini Split Heat Pump 5th Gen Easy Pro 115V 16ft Line Set

SKU: EZPRO-12-HP-11516D-O
Product ID: 40003
$0.00 - $0.00
$0.00
$1,850.00
$1,850.00 - $1,850.00
$1,850.00

Product Details MRCOOL DIY EasyPro 5th Gen 12K BTU Ductless Mini Split Heat Pump System EZPRO-12-HP-11516D-O The MRCOOL DIY EasyPro 5th Generation...

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MRCOOL 9,000 BTU DIY Mini Split Heat Pump 5th Gen Easy Pro 115V 16ft Line Set

SKU: EZPRO-09-HP-11516D-O
Product ID: 40001
$0.00 - $0.00
$0.00
$1,771.00
$1,771.00 - $1,771.00
$1,771.00

Product Details MRCOOL DIY 5th Gen Easy Pro 9K BTU Ductless Mini Split Heat Pump System EZPRO-09-HP-11516D-O Experience efficient, year-round comf...

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Shop DIY Mini Split Systems Online

DIY mini split systems are engineered for straightforward installation and reliable performance, making them a practical choice for homeowners and renovators. With options spanning 0.75 to 2 tons and BTU ratings from 9,000 to 24,000, these systems are designed to efficiently manage climate control in a variety of room sizes. 

The use of R454B refrigerant and SEER2 ratings up to 23.0 ensures both energy efficiency and environmental responsibility, while compatibility with 115V and 208/230V power supplies supports flexible installation. For targeted comfort, Single Zone Mini Splits are ideal for individual rooms or smaller spaces.

The DIY mini split systems in this collection feature smart home integration, allowing for remote operation and voice control through popular platforms. The inclusion of pre-charged line sets and user-friendly Quick Connect® fittings streamlines the setup process, eliminating the need for specialized tools or professional installation. 

Looking to shop DIY mini split system options that balance advanced features with accessible installation? These systems are built to deliver quiet operation, robust performance, and long-term value. Whether upgrading a single room or coordinating comfort across several zones, the collection supports a range of technical requirements and smart control capabilities.

Benefits of DIY Mini Split Systems

  • Simple Installation: Pre-charged line sets and Quick Connect® fittings eliminate the need for specialized tools or refrigerant handling.

  • Smart Climate Control: Wi-Fi and app integration enable remote adjustments and voice commands for seamless operation.

  • Energy Efficiency: High SEER2 ratings and inverter technology help reduce energy consumption and utility costs.

Related Mini Split Solutions

Explore More HVAC Options

Here are other collections addressing various HVAC needs:

Quick Spec Comparison 

Product Name

BTU Capacity

Voltage

Stand-out Features

Brand

MRCOOL 9,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 115V 25ft Line Set

9,000

115V

ENERGY STAR®, Wi-Fi, 25ft pre-charged line set, R-454B

MRCOOL

MRCOOL 12,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 115V 25ft Line Set

12,000

115V

Inverter tech, app control, ENERGY STAR®, R-454B

MRCOOL

MRCOOL 18,000 BTU DIY Mini Split Heat Pump 5th Gen Easy Pro 230V 16ft Line Set

18,000

208/230V

Gold Fin® condenser, 16ft line set, 20.0 SEER2

MRCOOL

MRCOOL 24,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 25ft Line Set

24,000

208/230V

DIYPRO® cable, 25ft line set, R-454B, smart home ready

MRCOOL

MRCOOL 18,000 BTU DIY Mini Split Heat Pump 5th Gen E Star 25ft Line Set

18,000

208/230V

Inverter, Wi-Fi, 25ft line set, ENERGY STAR®

MRCOOL

Broader Brands & Collections to Explore

Why Shop DIY Mini Split Systems at HVAC Store?

  • Wide selection of top-rated MRCOOL DIY mini split systems

  • Expert technical support and guidance for product selection

  • Fast shipping and satisfaction guarantee on all orders

  • Competitive pricing with no sales tax in most states

  • Comprehensive manufacturer warranties for peace of mind

FAQ

What is a DIY mini split system?

A DIY mini split is a ductless heating and cooling system designed for easy installation without professional tools or refrigerant handling.

Are these systems suitable for large spaces?

Yes. The models in this collection range from 9,000 to 24,000 BTUs, supporting areas from small rooms to spaces up to 1,000 sq. ft. Check product specs for coverage.

What refrigerant do these mini splits use?

All featured models use R-454B, an eco-friendly refrigerant with lower global warming potential.

Can I control my mini split remotely?

Yes, most systems offer Wi-Fi connectivity and app integration, plus compatibility with Amazon Alexa and Google Assistant.

What is the SEER2 rating for these systems?

SEER2 ratings vary by model, with some units reaching up to 23.0 for high energy efficiency.

Is professional installation required?

No, these systems are designed for true DIY installation, with pre-charged line sets and clear instructions.