18,000 BTU MRCOOL DIY 5th Gen 23.9 SEER2 Dual Zone Wall Mount Mini Split Heat Pump System – R454B | 230V – 6 + 12

MRCOOL 18k DIY 5th Generation 3 Zone Multi-Zone Mini-Split Condenser 230v

The MRCOOL® DIY-MULTI3-18HP230D-O is a revolutionary 18,000 BTU 5th Generation 3 Zone Multi-Zone Mini-Split Condenser that brings you the power to customize comfort across multiple rooms with the convenience of DIY installation. Designed for compatibility with up to three separate indoor air handlers, this system delivers efficient and quiet operation for spaces of varying sizes.

Key Features

• DIY Installation: Designed for easy installation without the need for special tools or HVAC expertise.
• Flexible Zoning: Supports up to three zones, allowing for tailored temperature control in multiple areas of your home or office.
• High Efficiency: Boasts a SEER2 rating of up to 21.2, ensuring energy savings and optimal performance year-round.
• Inverter Technology: Variable-speed DC inverter provides precise temperature control and minimizes energy use by adjusting output to demand.
• Smart Home Integration: Includes compatibility with Alexa and Google Assistant for voice-controlled convenience.
• Corrosion Resistance: Gold Fin® coating provides long-lasting protection against salt air and environmental elements.
• Low Ambient Cooling: Capable of cooling in temperatures as low as 5°F, making it suitable for a wide range of climates.

Performance & Specifications

• Cooling Capacity: 18,000 BTU
• Heating Capacity: 18,000 BTU
• Voltage: 230V
• Zone Capability: Up to 3 zones
• SEER2: Up to 21.2
• EER2: Up to 12.5
• HSPF2 (Region IV): Up to 10.5

Additional Benefits

• Quiet Operation: Engineered for ultra-quiet performance, reducing ambient noise indoors and outdoors.
• Warranty Protection: Backed by a limited lifetime compressor warranty and 7-year parts coverage for peace of mind.
• Environmentally Friendly: Utilizes R-454B refrigerant for safe, efficient operation with reduced environmental impact.

The MRCOOL 18k DIY 3 Zone Condenser is the ideal solution for homeowners seeking zoned comfort without professional installation. Its energy efficiency, advanced features, and simple setup make it a standout choice for year-round indoor climate control.

MRCOOL® 6k DIY 5th Generation Mini-Split Air Handler 230v

The MRCOOL® 6k DIY 5th Generation Mini-Split Air Handler is a compact, energy-efficient solution designed for single-zone comfort. Ideal for smaller spaces, this 230-volt unit delivers reliable heating and cooling performance while supporting the full functionality of the MRCOOL® DIY series. With a focus on flexibility and user-friendly installation, it's perfect for homeowners looking for a cost-effective and convenient HVAC upgrade.

Key Features:

• Energy Efficiency: High SEER2 ratings ensure lower energy consumption and long-term cost savings.
• DIY Installation: Designed to be installed without the need for professional HVAC labor, thanks to the pre-charged line sets and easy-to-follow setup.
• Quiet Operation: Operates at low sound levels to maintain a peaceful indoor environment.
• Wi-Fi Compatibility: Integrates with the MRCOOL® SmartHVAC app for remote control through your smartphone or smart home system.
• Compact Design: Small footprint makes it ideal for rooms with limited wall space while still delivering efficient comfort.
• Auto Restart and Timer Functions: Built-in convenience features enhance usability and system responsiveness.
• Multi-Speed Fan: Offers adjustable airflow settings to suit your comfort needs year-round.

Specifications:

• Model Number: DIY-06-HP-WMAH-230D25-O
• Voltage: 230V
• Cooling Capacity: 6,000 BTU
• Refrigerant Type: R-454B
• Mounting Type: Wall-mounted

This air handler is part of the MRCOOL® 5th Generation DIY system, offering high efficiency, ease of use, and superior performance. Whether you're outfitting a new room or replacing an older unit, the 6k Mini-Split Air Handler brings reliable, modern climate control within reach of any homeowner.

MRCOOL® 12k DIY 5th Generation Mini-Split Air Handler 230v

The MRCOOL® 12k DIY 5th Generation Mini-Split Air Handler is an efficient, user-friendly solution for heating and cooling medium-sized spaces. With a capacity of 12,000 BTU and a 230-volt configuration, this air handler is part of the innovative MRCOOL® DIY series, designed for fast installation without specialized HVAC tools or training. Ideal for homeowners looking to upgrade their comfort without added labor costs, it combines smart technology with dependable performance.

Key Features:

• DIY-Friendly Installation
• Efficient Performance: High SEER2 efficiency helps reduce energy bills while maintaining reliable comfort all year long.
• Smart Controls: Compatible with the MRCOOL® SmartHVAC app, as well as Alexa and Google Assistant, for remote operation and scheduling.
• Low Noise Operation: Engineered for quiet performance, making it perfect for bedrooms, offices, and other quiet zones.
• Versatile Functionality: Supports cooling, heating, fan-only, and dehumidification modes to suit any seasonal need.
• Auto Restart and Sleep Mode: Automatically resumes with previous settings after power outages and adjusts temperatures overnight for energy savings.
• Wall-Mounted Design: Sleek and compact unit fits easily into most interior layouts without taking up valuable floor space.

Specifications:

• Model Number: DIY-12-HP-WMAH-230D25-O
• Voltage: 230V
• Cooling/Heating Capacity: 12,000 BTU
• Refrigerant: R-454B
• Mounting Style: Wall-mounted

The MRCOOL® 12k DIY Air Handler delivers the performance and features you need to efficiently control your home’s climate without the complexity of traditional HVAC systems. Ideal for bedrooms, living rooms, and other medium-sized spaces, this unit blends technology, convenience, and cost-saving efficiency into one smart package.

DIY16-1438-O 16ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B

The MRCOOL DIY16-1438-O is a pre-charged 16-foot line set designed specifically for MRCOOL DIY 6K, 9K, and 12K indoor units using R-454B refrigerant. It is engineered to simplify installation for homeowners and HVAC professionals alike, while maintaining efficiency and refrigerant integrity without the need for vacuuming or charging.

This lineset offers a flexible, durable, and easy-to-connect solution that supports the revolutionary MRCOOL DIY ductless mini-split systems. The Quick Connect® fittings provide a secure and tight seal, ensuring a hassle-free installation and long-term reliability.

Key Features:

• Length: 16 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 3/8 inch suction line
• Refrigerant: Pre-charged with environmentally friendly R-454B
• Compatibility: Designed for use with MRCOOL DIY 6K, 9K, and 12K indoor units
• Connection Type: Quick Connect fittings for fast, tool-free installation
• Insulation: High-quality insulation for efficient thermal performance and reduced energy loss
• Corrosion Resistance: Durable construction resists environmental wear and corrosion

This lineset is ideal for both first-time installations and replacements, ensuring optimal performance and easy integration with compatible MRCOOL® systems. With a 100% DIY approach, this component allows users to complete professional-level installations without special tools or equipment.

DIY25-1438-O 25ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B

The MRCOOL DIY25-1438-O is a 25-foot pre-charged line set engineered for easy installation with MRCOOL DIY 6K, 9K, and 12K indoor units that utilize R-454B refrigerant. This lineset offers an efficient, mess-free solution for both homeowners and professionals who want a clean and secure HVAC connection without the need for vacuum pumps or refrigerant handling.

Equipped with Quick Connect fittings, this lineset simplifies the installation process by providing a tight, reliable seal—eliminating the need for special tools. The pre-charged refrigerant lines and durable insulation deliver excellent performance and energy efficiency in a wide range of settings.

Key Features:

• Length: 25 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 3/8 inch suction line
• Refrigerant: Pre-charged with eco-friendly R-454B refrigerant
• Compatibility: Works with MRCOOL DIY 6K, 9K, and 12K indoor units
• Connection Type: Quick Connect fittings for tool-free installation
• Insulation: High-quality insulation for optimized thermal performance and protection
• Construction: Built with corrosion-resistant materials for long-term durability

Perfect for extending the installation distance or replacing an existing lineset, the DIY25-1438-O provides a flexible and user-friendly option for MRCOOL® mini-split systems. Its DIY design ensures users can achieve a professional-grade setup with minimal effort and maximum confidence.

DIY35-1438C-O 35ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor with DIY Pro Cable - R454B

The MRCOOL® DIY35-1438C-O is a 35-foot pre-charged lineset with an integrated DIY Pro Cable, engineered for compatibility with MRCOOL DIY 6K, 9K, and 12K indoor units using R-454B refrigerant. This advanced installation component simplifies setup while delivering excellent durability, refrigerant integrity, and safety.

Equipped with patented Quick Connect fittings, this lineset allows for a hassle-free, tool-free connection between indoor and outdoor units. The added DIY Pro Cable enhances reliability and safety during installation, offering pre-attached wiring in a single bundled solution. It's the ideal choice for extended installations requiring both performance and convenience.

Key Features:

• Length: 35 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 3/8 inch suction line
• Refrigerant: Pre-charged with R-454B refrigerant for environmentally responsible performance
• Compatibility: Designed for MRCOOL DIY 6K, 9K, and 12K indoor units
• Connection Type: Quick Connect fittings for easy and secure installation
• Pro Cable: Integrated DIY Pro Cable for simplified wiring and increased safety
• Insulation: High-quality insulation ensures efficiency and protection from condensation
• Durability: Built with corrosion-resistant materials for long-term use

The DIY35-1438C-O is the perfect solution for users seeking an extended lineset with built-in power and communication cabling. Its all-in-one design streamlines setup and supports reliable performance in MRCOOL® DIY mini-split systems.

DIY50-1438C-O 50ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor with DIY Pro Cable - R454B

The MRCOOL® DIY50-1438C-O is a 50-foot pre-charged lineset with an integrated DIY Pro Cable, designed for use with MRCOOL DIY 6K, 9K, and 12K indoor units using R-454B refrigerant. This extended-length lineset offers a convenient, all-in-one solution for efficient and reliable HVAC installations.

Featuring patented Quick Connect fittings, this lineset enables a quick and secure connection between indoor and outdoor units without specialized tools. The integrated DIY Pro Cable streamlines wiring and enhances installation safety, making it ideal for professional-quality DIY projects.

Key Features:

• Length: 50 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 3/8 inch suction line
• Refrigerant: Pre-charged with eco-friendly R-454B refrigerant
• Compatibility: Suitable for MRCOOL DIY 6K, 9K, and 12K indoor units
• Connection Type: Quick Connect fittings for easy, tool-free installation
• Pro Cable: Integrated DIY Pro Cable for simplified wiring and enhanced safety
• Insulation: High-quality insulation to improve energy efficiency and prevent condensation
• Durability: Constructed with corrosion-resistant materials for lasting performance

This 50-foot lineset with integrated Pro Cable is perfect for installations requiring longer reach and professional-grade convenience. It ensures reliable operation and an efficient setup for MRCOOL® DIY mini-split systems.

DIY16-1412-O 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor - R454B

The MRCOOL DIY16-1412-O is a 16-foot pre-charged lineset designed for MRCOOL® DIY 9K, 12K, and 18K indoor units using R-454B refrigerant. This lineset offers an easy-to-install, reliable solution that eliminates the need for vacuum pumps or refrigerant charging.

Featuring Quick Connect fittings, it allows for quick, tool-free connections between indoor and outdoor units. The durable insulation and corrosion-resistant copper tubing provide excellent thermal performance and long-lasting durability.

Key Features:

• Length: 16 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 1/2 inch suction line
• Refrigerant: Pre-charged with eco-friendly R-454B refrigerant
• Compatibility: Compatible with MRCOOL DIY 9K, 12K, and 18K indoor units
• Connection Type: Quick Connect fittings for tool-free installation
• Insulation: High-quality insulation to prevent condensation and improve energy efficiency
• Durability: Built with corrosion-resistant materials for extended service life

This lineset is an ideal choice for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, providing an efficient and hassle-free installation.

DIY25-1412-O 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor - R454B

The MRCOOL® DIY25-1412-O is a 25-foot pre-charged lineset designed for MRCOOL DIY 9K, 12K, and 18K indoor units using R-454B refrigerant. This lineset offers a convenient and reliable solution that eliminates the need for vacuum pumps or refrigerant charging during installation.

Featuring Quick Connect fittings, it enables quick, tool-free connections between indoor and outdoor units. The durable insulation and corrosion-resistant copper tubing ensure optimal thermal efficiency and long-lasting performance.

Key Features:

• Length: 25 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 1/2 inch suction line
• Refrigerant: Pre-charged with eco-friendly R-454B refrigerant
• Compatibility: Compatible with MRCOOL DIY 9K, 12K, and 18K indoor units
• Connection Type: Quick Connect fittings for easy installation
• Insulation: High-quality insulation to prevent condensation and improve energy efficiency
• Durability: Built with corrosion-resistant materials for extended lifespan

This lineset is an excellent choice for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, providing hassle-free installation and dependable operation.