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MRCOOL 27,000 BTU DIY 5th Gen 23 SEER2 Dual Zone Ceiling Cassette Mini Split Heat Pump System - R454B | 230V - 6 + 6

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MRCOOL

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DIY-MULTI4-27HP / DIYCASSETTE06HP-230-2

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207121

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16ft 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor - R454B
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27,000-BTU-MRCOOL-DIY-5th-Gen-23-SEER2-Dual-Zone-Ceiling-Cassette-Mini-Split-Heat-Pump-System-R454B-|-230V-6-6-DIY-MULTI4-27HP-DIYCASSETTE06HP-230-2

$4,724.00

27,000 BTU MRCOOL DIY 5th Gen Dual Zone Ceiling Cassette Mini Split Heat Pump System “ 6 + 6

The MRCOOL DIY 5th Gen 27,000 BTU Dual Zone Ceiling Cassette Mini Split Heat Pump System is designed to deliver efficient, reliable comfort across two smaller zones. With two 6,000 BTU ceiling cassette indoor units and a powerful 27,000 BTU outdoor condenser, this system is perfect for maintaining independent climate control in spaces like bedrooms, home offices, or guest rooms. Offering up to 23 SEER2 efficiency and environmentally responsible R 454B refrigerant, this dual zone system combines smart performance with eco conscious design.

Key Features

  • Dual Zone Control: Features two 6,000 BTU ceiling cassette units, ideal for delivering quiet, efficient heating and cooling to two separate small rooms.
  • High Efficiency: Delivers up to 23 SEER2 and 10.5 HSPF2 performance for energy savings and year round comfort.
  • Wi Fi Enabled: Built in smart capabilities allow operation via the SmartHVAC app or with voice control through Alexa or Google Assistant.
  • Sleek Ceiling Cassette Design: Flush mounted indoor units provide four way directional airflow for balanced temperature coverage and a clean ceiling aesthetic.
  • Environmentally Friendly: Uses R 454B refrigerant, a low GWP alternative that reduces environmental impact while maintaining high cooling efficiency.
  • Quiet Operation: Engineered to operate at low sound levels both indoors and outdoors, supporting restful environments in bedrooms and workspaces.
  • Custom Comfort Features: Includes Auto Restart, Sleep Mode, Follow Me, and 24 hour timer for optimized user control and comfort.
  • Enhanced Air Quality: Built in filters capture dust and allergens to help maintain a cleaner indoor environment.

System Components

  • Outdoor Unit: 27,000 BTU condenser pre charged with R 454B refrigerant, supporting two zone operation.
  • Indoor Units:
    • 6,000 BTU Ceiling Cassette
    • 6,000 BTU Ceiling Cassette
  • Control Options: Each indoor unit comes with a remote control and Wi Fi functionality for seamless smart control.

Ideal Applications

This system is an ideal solution for homeowners who need zoned comfort in two small rooms, such as bedrooms, nurseries, offices, or guest areas. With efficient operation, a space saving ceiling cassette design, and easy DIY installation, the MRCOOL 6 + 6 configuration offers a powerful yet compact heating and cooling solution tailored to modern home needs. These bundles require the purchase of a Pre-Charged Line Set, these are not included.

MRCOOL 27,000 BTU DIY 5th Generation 4 Zone Multi-Zone Mini Split Condenser - R454B | 230V

MRCOOL 27k DIY 5th Generation 4 Zone Multi-Zone Mini-Split Condenser 230v

The MRCOOL® DIY-MULTI4-27HP230D-O is a high-efficiency 5th Generation Multi-Zone Mini-Split Condenser that empowers homeowners to install a powerful ductless HVAC system without professional assistance. Designed for use with MRCOOL DIY indoor air handlers, this 27,000 BTU multi-zone condenser supports up to four zones for customizable comfort throughout the home.

Key Features

  • Multi-Zone Flexibility: Supports up to four indoor air handlers of varying BTU capacities, allowing tailored climate control in each zone.
  • Energy Efficiency: High SEER2 and HSPF2 ratings ensure optimal performance while keeping utility bills low.
  • Smart Home Integration: Wi-Fi compatibility allows control via the SmartHVAC app, Amazon Alexa, or Google Assistant.
  • Durable and Weather-Resistant: Engineered with Gold Fin corrosion-resistant coatings and designed to withstand a wide range of ambient temperatures.

Performance Specifications

  • Model: DIY-MULTI4-27HP230D-O
  • Power Supply: 208/230V, 60Hz, 1Ph
  • Cooling Capacity: 27,000 BTU
  • Heating Capacity: 28,000 BTU
  • SEER2: Up to 20.5
  • HSPF2: Up to 8.8

Additional Features

  • Auto Restart: Automatically resumes operation after power outage
  • Quiet Operation: Operates at low decibel levels for noise-sensitive environments
  • Low Ambient Cooling: Operates in outdoor temperatures as low as 5°F for cooling and -13°F for heating
  • Multiple Fan Speeds: Customizable airflow for maximum comfort

The MRCOOL 27k DIY 5th Generation Multi-Zone Condenser offers unmatched ease of installation and energy-saving technology. Whether retrofitting an existing system or building new, it delivers outstanding performance, smart convenience, and personalized comfort throughout your home.

MRCOOL 6,000 BTU DIY 5th Generation OuttaSight Single Zone One-Way Ceiling Cassette Mini Split Air Handler - R454B | 230V

MRCOOL® DIY® Series 5th Gen OuttaSight® 6K BTU 230V One-Way Ceiling Cassette

The MRCOOL® DIY® Series 5th Generation OuttaSight® 6K BTU One-Way Ceiling Cassette is the perfect solution for discreet, efficient climate control in smaller spaces. Designed for homeowners who want to maintain comfort without sacrificing room aesthetics, this 230V cassette is ideal for compact applications that require powerful air distribution from above.

Key Features:

  • Low-Profile Ceiling Installation: Seamlessly blends into the ceiling for a clean, unobtrusive look while delivering powerful performance.
  • 6,000 BTU Capacity: Ideal for small rooms, offices, or add-on zones in residential or light commercial spaces.
  • Energy-Efficient Inverter Technology: Provides consistent temperature control while reducing energy consumption.
  • DIY® Quick Connect® Installation: Designed for fast and easy installation without the need for special tools or professional HVAC services.
  • Smart Controller Compatibility: Easily integrates with the MRCOOL® SmartHVAC app and is compatible with Amazon Alexa and Google Assistant for voice control.
  • Quiet Operation: Engineered for ultra-quiet function, ensuring minimal disruption in your environment.
  • Customizable Airflow: One-way directional airflow ensures optimal circulation for targeted comfort.
  • Durable Construction: Built to last with high-quality components and corrosion-resistant materials.

Specifications:

  • Model: DIYCASSETTE06HP-230D25-O
  • BTU Rating: 6,000 BTU
  • Voltage: 230V
  • Mounting Style: One-Way Ceiling Cassette
  • Refrigerant: R-454B
  • Compatible Line Sets: Pre-charged MRCOOL® Quick Connect® line sets

With its modern, ceiling-integrated design and simple DIY® installation, the MRCOOL® OuttaSight® 6K BTU One-Way Ceiling Cassette offers the perfect blend of style, functionality, and energy-saving comfort.

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 - R454B

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.

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 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor - R454B

DIY16-3858-O 16ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor - R454B

The MRCOOL® DIY16-3858-O is a 16-foot pre-charged lineset designed specifically for MRCOOL® DIY 24K and 36K indoor units using R-454B refrigerant. This lineset simplifies installation by eliminating the need for vacuum pumps or refrigerant charging, making it perfect for both DIY enthusiasts and professionals.

Featuring Quick Connect® fittings, this lineset allows for quick, secure, and tool-free connections between indoor and outdoor units. The high-quality insulation and durable copper tubing ensure optimal thermal performance and long-lasting reliability.

Key Features:

  • Length: 16 feet of pre-charged copper tubing
  • Line Sizes: 3/8 inch liquid line and 5/8 inch suction line
  • Refrigerant: Pre-charged with environmentally friendly R-454B
  • Compatibility: Designed for MRCOOL® DIY 24K and 36K indoor units
  • Connection Type: Quick Connect® fittings for easy installation
  • Insulation: Superior insulation to reduce energy loss and prevent condensation
  • Durability: Corrosion-resistant construction for extended service life

This lineset offers a reliable and efficient solution for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, ensuring hassle-free installation and optimal system performance.

Wall Mount Bracket for Mini Split Systems

This 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 Condensers - Accessory Set

Ensure 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.

Key Features:

All-in-One Kit: Includes key accessories for a professional-grade installation.
Enhanced System Protection: Features a surge protector and disconnect safety switch for added safety.
Reliable Electrical Connections: Comes with a whip and charging adapter to ensure proper power supply.
Secure Wall Penetration: Telescoping wall sleeve protects and stabilizes refrigerant and electrical lines.
HVAC Professional Recommended: Ideal for new installations and system replacements.

What’s Included:

  • 1/2" x 6' Electrical Whip – SKU: 84136
  • 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!

More Information
MRCOOL 27,000 BTU DIY 5th Generation 4 Zone Multi-Zone Mini Split Condenser - R454B | 230V
SKUDIY-MULTI4-27HP230D-O
Weight140.210000
ManufacturerMRCOOL
HSPF29.5
Cooling BTU26,000
Heating BTU26,000
Decibel Level (dBA)61
RefrigerantR454B
SEER223
Compressor TypeRotary
Liquid Line1/4
Suction Line3/8
Liquid Valve Size 1/4
Suction Valve Size 3/8
Electrical208/230
Max Breaker Size25
Min. Breaker Size23
BTU/Tonnage27,000 BTU/2.25 Ton
Zone CompatibilityMulti Zone
Height31.89
Width37.24
Depth16.14
Warranty7 Year Compressor/5 Year Parts Warranty
Resources You will need Adobe Acrobat Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
MRCOOL 6,000 BTU DIY 5th Generation OuttaSight Single Zone One-Way Ceiling Cassette Mini Split Air Handler - R454B | 230V
SKUDIYCASSETTE06HP-230D25-O
Weight45.000000
ManufacturerMRCOOL
Decibel Level (dBA)35.5
RefrigerantR454B
Liquid Valve Size 1/4
Suction Valve Size 3/8
Mini Split TypeCeiling Cassette
Zone CompatibilityMulti Zone
Height8.98
Width50.31
Depth13.19
Warranty 5-Year Part/7-Year Compressor
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
25ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor - R454B 
SKUDIY25-1438-O
Weight10.400000
ManufacturerMRCOOL
RefrigerantR454B
Liquid Valve Size 1/4
Suction Valve Size 3/8
Safety InformationPROPOSITION-65-WARNING This-product-and-many-products-on-our-site-may-contain-a-chemical-know-to-the-state-of-California-to-cause-cancer-or-birth-defects-or-other-reproductive-harm.-For-more-information-about-Proposition-65-please-Click-Here.
35ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B
SKUDIY35-1438C-O
Weight17.600000
ManufacturerMRCOOL
RefrigerantR454B
Liquid Valve Size 1/4
Suction Valve Size 3/8
Safety InformationPROPOSITION-65-WARNING This-product-and-many-products-on-our-site-may-contain-a-chemical-know-to-the-state-of-California-to-cause-cancer-or-birth-defects-or-other-reproductive-harm.-For-more-information-about-Proposition-65-please-Click-Here.
50ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B   
SKUDIY50-1438C-O
Weight24.000000
ManufacturerMRCOOL
RefrigerantR454B
Liquid Valve Size 1/4
Suction Valve Size 3/8
Safety InformationPROPOSITION-65-WARNING This-product-and-many-products-on-our-site-may-contain-a-chemical-know-to-the-state-of-California-to-cause-cancer-or-birth-defects-or-other-reproductive-harm.-For-more-information-about-Proposition-65-please-Click-Here.
16ft 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor - R454B
SKUDIY16-3858-O
Weight15.900000
ManufacturerMRCOOL
RefrigerantR454B
Liquid Line3/8"
Suction Line5/8"
Liquid Valve Size 3/8
Suction Valve Size 5/8
Electrical230 V. 1 Phase 60 Hz
Mini Split TypeWall Mounted
Warranty5-year Parts / 7-year Compressor
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION-65-WARNING This-product-and-many-products-on-our-site-may-contain-a-chemical-know-to-the-state-of-California-to-cause-cancer-or-birth-defects-or-other-reproductive-harm.-For-more-information-about-Proposition-65-please-Click-Here.
Wall Mount Bracket for Mini Split Systems
SKUHW-600
Weight9.200000
ManufacturerOnline Supply
Length17"
Height20"
Width6"
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Installation Kit for Condensers - Accessory Set
SKUMSK001
Weight15.000000
ManufacturerOnline Supply
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
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MRCOOL mini split systems combine innovative design with advanced manufacturing to deliver efficient, reliable comfort wherever you need it. Built with cutting-edge technology, these systems ensure optimal performance and flexibility for any space.