MRCOOL DIY 5th Gen 55,000 BTU 22 SEER2 Ductless Heat Pump Split System “ Quad Zone (6,000 + 9,000 + 9,000 + 12,000 BTU)
The MRCOOL DIY 5th Gen 55,000 BTU Quad Zone Ductless Heat Pump Split System offers advanced comfort control for four rooms of varying sizes. This system features one 6,000 BTU indoor unit for smaller rooms, two 9,000 BTU units for medium areas, and one 12,000 BTU unit for a larger living space. Designed for homeowners, the system features simple DIY installation, smart controls, quiet operation, and energy-efficient performance”all without the need for professional HVAC tools or labor.
System Features
- Versatile Multi-Zone Comfort: One 6,000 BTU unit covers compact rooms, two 9,000 BTU units manage medium-size spaces, and one 12,000 BTU unit delivers comfort to larger areas like a living room or master suite.
- 55,000 BTU Outdoor Condenser: Inverter-driven for energy savings, stable operation, and quiet performance across all zones.
- Smart Home Integration: Control each zone remotely using the MRCOOL SmartHVAC app, or with Amazon Alexa and Google Assistant voice commands.
- High Energy Efficiency: 22 SEER2 rating with a variable-speed compressor helps reduce operating costs while keeping temperatures consistent.
- Whisper-Quiet Operation: Low sound levels from both indoor and outdoor units create a peaceful environment in any room.
- Built to Last: Gold Fin anti-corrosion coating protects the outdoor condenser from rust and harsh conditions.
- Eco-Friendly Refrigerant: Uses R-454B, a low-GWP refrigerant that supports energy efficiency and environmental sustainability.
- Leak Detection: Integrated sensors monitor refrigerant levels and alert users early to help prevent damage and maintain performance.
Reliable Year-Round Performance
Engineered for extreme conditions, this system provides reliable cooling down to 5 F and heating in temperatures as low as -13 F. Each indoor unit operates independently, giving you precise temperature control and the ability to save energy in unused rooms.
Whats Included
- One 55,000 BTU Outdoor Condenser
- One 6,000 BTU Wall-Mounted Indoor Unit
- Two 9,000 BTU Wall-Mounted Indoor Units
- One 12,000 BTU Wall-Mounted Indoor Unit
- Four Wireless Remote Controls
- Smart Controller Module
Why Choose the MRCOOL 5th Gen 6K + 9K + 9K + 12K Quad Zone System?
- Optimized for Mixed Room Sizes: Delivers tailored comfort for small, medium, and large rooms in one efficient system.
- Truly DIY-Friendly: Designed for homeowners”no HVAC certification or expensive tools required.
- Smart Control: Monitor and adjust your system from anywhere with a mobile app or voice commands.
- Energy Efficient and Durable: Built to perform efficiently year-round with long-lasting, corrosion-resistant components.
The MRCOOL DIY 5th Gen Quad Zone System with one 6,000 BTU, two 9,000 BTU, and one 12,000 BTU indoor units provides customized, energy-efficient comfort for a variety of room sizes. With easy installation, smart technology, and all-season reliability, its the ideal choice for homeowners looking for professional-grade performance without professional installation. These bundles require the purchase of a Pre-Charged Line Set, these are not included.
55,000 BTU MRCOOL 6 Zone Condenser - R454BMRCOOL 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v
The MRCOOL® DIY-MULTI6-55HP230D-O is the largest capacity unit in the MRCOOL 5th Generation DIY Multi-Zone series, designed to efficiently manage heating and cooling for up to six separate zones. With an impressive 55,000 BTU output, this unit provides robust performance, energy efficiency, and the convenience of DIY installation for large residential or light commercial spaces.
Key Features
- 6-Zone Coverage: Supports six indoor air handlers of various capacities for individualized temperature control throughout the building.
- Smart Home Ready: Integrates with the SmartHVAC app, Amazon Alexa, and Google Assistant for wireless and voice control.
- Energy Efficient: High SEER2 and HSPF2 ratings help reduce long-term energy costs while maintaining year-round comfort.
- Weather Resistant: Built with a corrosion-resistant Gold Fin coating to extend durability in harsh outdoor environments.
Performance Specifications
- Model: DIY-MULTI6-55HP230D-O
- Power Supply: 208/230V, 60Hz, 1Ph
- Cooling Capacity: 55,000 BTU
- Heating Capacity: 55,000 BTU
- SEER2: Up to 22
- HSPF2: Up to 8.5
Additional Features
- Low Ambient Heating & Cooling: Delivers reliable performance down to -13°F in heating mode and 5°F in cooling mode
- Quiet Operation: Minimizes sound disruption for indoor and outdoor comfort
- Auto Restart: Automatically restores system settings after power interruptions
- Flexible Fan Settings: Allows customized airflow control for every connected zone
The MRCOOL 55k DIY 5th Generation Multi-Zone Condenser is a high-performance solution for those needing wide-reaching, efficient climate control. Its easy installation, advanced features, and smart integration make it the ultimate choice for large homes or light commercial spaces seeking personalized comfort and reliable operation.
6,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler – R454BMRCOOL® 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.
- 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.
9,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler – R454BMRCOOL® 9k DIY 5th Generation Mini-Split Air Handler 230v
The MRCOOL® 9k DIY 5th Generation Mini-Split Air Handler offers powerful, energy-efficient heating and cooling for small to mid-sized spaces. Engineered with the do-it-yourself homeowner in mind, this 230-volt unit combines superior performance with simplified installation and smart home compatibility. It is part of the advanced 5th Generation MRCOOL® DIY lineup, bringing comfort, control, and convenience to your fingertips.
Key Features:
- High Efficiency: Delivers a strong balance of comfort and energy savings with high SEER2 performance ratings.
- Easy DIY Installation
- Smart Home Ready: Works with the MRCOOL® SmartHVAC app and is compatible with Amazon Alexa and Google Assistant.
- Quiet Operation: Minimizes indoor noise for enhanced comfort and relaxation.
- Auto Restart: Automatically resumes operation after a power outage with previous settings restored.
- Multiple Modes: Offers heating, cooling, dehumidification, and fan-only modes to adapt to varying climate needs.
- Compact Wall-Mount Design: Saves space while delivering effective room-wide air circulation.
Specifications:
- Model Number: DIY-09-HP-WMAH-230D25-O
- Voltage: 230V
- Cooling/Heating Capacity: 9,000 BTU
- Refrigerant Type: R-454B
- Mounting: Wall-mounted
Whether you're upgrading your comfort system or outfitting a new area, the MRCOOL 9k DIY Mini-Split Air Handler provides reliable performance, energy efficiency, and easy installation. It’s the perfect choice for those looking for comfort without the hassle of traditional HVAC setups.
12,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler – R454BMRCOOL® 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.
16ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor - R454BDIY16-1438-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.
17" Wall Mount Bracket for Mini Split SystemsThis wall mount bracket is perfect for outdoor mini split condensers. The length of the the wall bracket arms are 17” long. The condensing unit is mounted onto the L-shaped brackets and fastened using the bolts and anti-vibration washers provided.
Features:
- 17” Arm Length
- Weight capacity of 220 lbs per arm
- Bolts and anti-vibration washers included
No Return Policy
All sales of this product are final and are non-refundable.
Installation Kit for CondensersEnsure a professional and secure installation for your condenser with this comprehensive installation kit. Designed to provide all the essential components needed for a smooth setup, this kit helps protect your system while ensuring proper electrical and refrigerant connections.
What’s Included:
- 3/4" x 6' Electrical Whip – SKU: 84138
- 60A Non-Fused Disconnect – SKU: 83335
- Surge Protector – SKU: ICM517
- CPS Charging Adapter – SKU: 87-AD87
- Telescoping Wall Sleeve – SKU: NFP-75
Equip your condenser with everything needed for a safe, durable, and professional installation. Order your Condenser Installation Kit today!
25ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor - R454B 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.
35ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454BDIY35-1438C-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.
50ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B 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.
16ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454BDIY16-1412-O 16ft 1/4 x 1/2 Lineset for DIY 18K Indoor - R454B
The MRCOOL DIY16-1412-O is a 16-foot pre-charged lineset designed for MRCOOL® DIY 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 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.
25ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454BDIY25-1412-O 25ft 1/4 x 1/2 Lineset for DIY 18K Indoor - R454B
The MRCOOL® DIY25-1412-O is a 25-foot pre-charged lineset designed for MRCOOL DIY 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 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.