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MRCOOL 55,000 BTU 5th Gen DIY 22 SEER2 2 Zone Wall Mount Mini Split Heat Pump System R454B | 230V - 18 + 36

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Model

DIY-MULTI6-55HP230D / DIY-18-WM / DIY-36-WM

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211014

Was $6,623.10
Your Low Price $6,021.00
 
Product Features
  • 55,000 BTU Comfort For 1500 Sq Ft
  • Sized At 55,000 BTU For 1500 Sq Ft
  • High-Efficiency 22 SEER2 Rating
  • WiFi Enabled For Easy Adjustments
  • Pre-Charged Line Set For Faster Installation
  • Reliable Cooling Up To 122°F
Customize MRCOOL 55,000 BTU 5th Gen DIY 22 SEER2 2 Zone Wall Mount Mini Split Heat Pump System R454B | 230V - 18 + 36
55,000 BTU MRCOOL 6 Zone Condenser - R454B
55,000 BTU MRCOOL 6 Zone Condenser - R454B   + $3,809.00
18,000 BTU MRCOOL DIY 5th Gen Wall Mount Air Handler - R454B
18,000 BTU MRCOOL DIY 5th Gen Wall Mount Air Handler - R454B   + $931.00
36,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler – R454B
36,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler – R454B   + $1,281.00
16ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454B
16ft 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor - R454B
17" Wall Mount Bracket for Mini Split Systems
Installation Kit for Condensers
55,000 MRCOOL 5th Gen DIY 22 SEER2 2 Zone Wall Mounted Mini Split Heat Pump System - R-454B | 18 + 36 DIY-MULTI6-55HP230D / DIY-18-WM / DIY-36-WM

$6,021.00

55,000 BTU MRCOOL 5th Gen DIY 22 SEER2 2 Zone Wall Mounted Mini Split Heat Pump System “ R-454B | 18 + 36

The MRCOOL DIY 5th Gen 55,000 BTU 2 Zone Mini Split Heat Pump System with one 18,000 BTU and one 36,000 BTU wall-mounted air handler is engineered for powerful climate control across two large zones. With a 22 SEER2 efficiency rating and support for easy, DIY-friendly installation, this system is perfect for open-concept homes, large living spaces, or expansive dual-room setups requiring high capacity heating and cooling.

Key Features

  • Large-Zone Climate Control: Includes one 18,000 BTU and one 36,000 BTU indoor unit to handle significant heating and cooling demands across two spacious areas.
  • Smart Technology: Compatible with the SmartHVAC app, Amazon Alexa, and Google Assistant for flexible control and scheduling from your devices.
  • Follow Me® Function: Adjusts temperature based on the location of the remote for targeted comfort wherever you are in the room.
  • Quiet Comfort: Engineered for whisper-quiet operation to maintain a peaceful indoor environment, even during high output performance.
  • Low-GWP Refrigerant: Utilizes R-454B refrigerant for a reduced environmental impact compared to older refrigerants.

System Benefits

  • Year-Round Performance: Operates efficiently in outdoor temperatures from -13°F (heating) to 122°F (cooling).
  • Durability Built-In: Gold Fin® condenser coating protects the unit from corrosion, ideal for humid or coastal climates.
  • Independent Zone Settings: Customize temperature and fan settings in each zone for optimized energy use and comfort.
  • Energy Efficient: A 22 SEER2 rating and variable-speed inverter compressor help reduce electricity usage and monthly costs.
  • Comprehensive Warranty: Backed by a solid manufacturer warranty to ensure long-term reliability and support.

The MRCOOL 5th Gen 55,000 BTU DIY 2 Zone System with 18K and 36K wall-mounted air handlers is the ideal solution for homeowners needing serious heating and cooling power in large, separated spaces. Enjoy the convenience of DIY installation, smart control, and energy-saving performance. These bundles require the purchase of a Pre-Charged Line Set, these are not included.

18,000 BTU MRCOOL DIY 5th Gen Wall Mount Air Handler - R454B

MRCOOL 18k DIY 5th Generation Mini-Split Air Handler 230V

The MRCOOL DIY 18k BTU 5th Generation Air Handler is part of an advanced ductless mini-split system that delivers powerful and energy-efficient climate control for any space. Designed for easy installation by homeowners, this unit combines performance, convenience, and smart features to redefine home comfort.

This 230V air handler is compatible with MRCOOL DIY Quick Connect line sets, allowing for fast, tool-free installation without the need for specialized HVAC skills or certifications. With its sleek, modern design and enhanced technology, it’s ideal for spaces up to 750 square feet.

Key Features

  • DIY Quick Connect Installation
  • 18,000 BTU Capacity: Effectively heats and cools medium to large rooms with consistent comfort and efficiency.
  • Smart HVAC Features: Includes compatibility with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant for convenient voice or app control.
  • Auto Restart & Leakage Detection: Automatically restarts after power outages and alerts for refrigerant leaks to protect your system.
  • Low Ambient Cooling: Operates efficiently in cooling mode down to 5°F outdoor temperatures, making it suitable year-round.
  • Quiet Operation: Minimizes indoor noise levels for a more comfortable and peaceful environment.
  • Sleep Mode & Timer Function: Improves nighttime comfort and allows programmable operation tailored to your schedule.

Technical Highlights

  • Model: DIY-18-HP-WMAH-230D25-O
  • Power Supply: 208/230V, 60Hz, 1 Phase
  • Air Flow (H/M/L): 706/618/530 CFM
  • Sound Levels (H/M/L): 47/43/38 dB(A)
  • Mounting Type: Wall Mounted
  • Coverage Area: Up to 750 sq. ft.

With the MRCOOL DIY 5th Gen 18k Air Handler, homeowners can enjoy professional-grade performance and high-efficiency comfort without the cost and complexity of traditional installation. This unit is an ideal upgrade for those looking to enhance their space with reliable, smart, and user-friendly climate control.

36,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler – R454B

MRCOOL 36k DIY 5th Generation Mini-Split Air Handler 230V

The MRCOOL DIY 36k BTU 5th Generation Mini-Split Air Handler offers exceptional climate control for large spaces, combining powerful performance with simple, DIY-friendly installation. Engineered for spaces up to 1,500 square feet, this 230V unit provides energy-efficient heating and cooling year-round.

Using MRCOOL’s revolutionary DIY Quick Connect pre-charged lineset, this system eliminates the need for special tools or HVAC certifications. Alongside smart functionality and whisper-quiet operation, the DIY-36-HP-WMAH-230D25-O brings professional-grade comfort directly to your home.

Key Features

  • DIY Quick Connect Installation: Pre-charged line sets allow fast and easy installation without professional tools or vacuuming.
  • 36,000 BTU Capacity: Effectively conditions large areas up to 1,500 sq. ft. with efficient, reliable climate control.
  • Smart HVAC Control: Compatible with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant for remote operation and voice control.
  • Leakage Detection: Detects refrigerant leaks to help prevent damage and ensure safety.
  • Auto Restart Function: Automatically restores previous settings after a power outage for uninterrupted comfort.
  • Low Ambient Cooling: Cools efficiently even when outdoor temperatures drop to 5°F.
  • Quiet Operation: Delivers high-performance heating and cooling with low noise output for a peaceful indoor environment.
  • Customizable Timer and Sleep Mode: Enhances comfort while maximizing energy savings overnight or during low-use hours.

Technical Highlights

  • Model: DIY-36-HP-WMAH-230D25-O
  • Power Supply: 208/230V, 60Hz, 1 Phase
  • Air Flow (H/M/L): 1,176 / 1,059 / 941 CFM
  • Sound Levels (H/M/L): 53 / 49 / 45 dB(A)
  • Mounting Type: Wall Mounted
  • Coverage Area: Up to 1,500 sq. ft.

The MRCOOL DIY 5th Gen 36k Air Handler is the ultimate solution for large-scale residential comfort. With smart controls, superior performance, and true DIY capability, it’s an ideal choice for those looking to take full control of their indoor climate with ease.

55,000 BTU MRCOOL 6 Zone Condenser - R454B

MRCOOL 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.

16ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454B

DIY16-1412-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.

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.

17" 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

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.

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 1/2 Line Set for DIY 18K Indoor - R454B

DIY25-1412-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.

25ft 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor - R454B

Coming in as one of the first brands to offer a multi zone DIY mini split, MRCOOL offers the DIY25-3858 as a means of coupling two of MRCOOL's precharged line sets together to allow for a longer line for installations that need it, all the while keeping the system precharged in nature. This coupler furthers MRCOOL's ability to provide a simple DIY installation to almost any wall mounted installation. Please note that this line set will only function with MRCOOL's DIY multi zone line of products and will not function with any other brand or system series.

More Information
MRCOOL 18,000 BTU DIY 5th Generation Single Zone Wall Mount Mini Split Air Handler - R454B | 230V
FeatureSpec
SKUDIY-18-HP-WMAH-230D25-O
Weight (in lbs)35.49
Brand/ManufacturerMRCOOL
ReplacesDIY-18-HP-WMAH-230C25
UPC810063868512
ControllerIncluded
Cooling BTU18,000 BTU
Heating BTU18,000 BTU
Maximum CFM706 Turbo / 618 Hi / 530 Med / 430 Lo CFM (Airflow)
Decibel Level (dBA)19.0 - 54.5 dBA
RefrigerantR454B
Liquid Line1/4"
Suction Line1/2"
Electrical208/230V | 1 Phase | 60Hz
BTU/Tonnage18,000 BTU/1.5 Ton
Mini Split TypeWall Mounted
Zone CompatibilitySingle Zone
Height13.19"
Width42.52"
Depth8.9"
Warranty7 Year Compressor / 5 Years Parts Warranty with Online Registration
Resources You will need Adobe Acrobat Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
MRCOOL 36,000 BTU DIY 5th Generation Single Zone Wall Mount Mini Split Air Handler - R454B | 230V
FeatureSpec
SKUDIY-36-HP-WMAH-230D25-O
Weight (in lbs)48.72
Brand/ManufacturerMRCOOL
ReplacesDIY-36-HP-WMAH-230C25
UPC810063868550
ControllerIncluded
Cooling BTU36,000 BTU
Heating BTU36,000 BTU
Maximum CFM1050 Turbo / 900 Hi / 760 Med / 620 Lo CFM (Airflow)
Decibel Level (dBA)27.5 - 55.5 dBA
RefrigerantR454B
Liquid Line3/8"
Suction Line5/8"
Electrical208/230V | 1 Phase | 60Hz
BTU/Tonnage36,000 BTU/3 Ton
Mini Split TypeWall Mounted
Zone CompatibilitySingle Zone
Height14.25"
Width49.57"
Depth11.1"
Warranty7 Year Compressor / 5 Years Parts Warranty with Online Registration
Resources You will need Adobe Acrobat Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
MRCOOL 55,000 BTU DIY 5th Generation 6 Zone Multi-Zone Mini Split Condenser - R454B | 230V
FeatureSpec
SKUDIY-MULTI6-55HP230D-O
Refrigerant Charge9.48 lbs (Pre-Charged for 25ft Line Set)
Weight (in lbs)245.81
AHRI Certificate Number216032598
Brand/ManufacturerMRCOOL
UPC840255587488
Cooling BTU47,000 BTU
Heating BTU55,000 BTU
Decibel Level (dBA)64 dBA
Energy StarYes
RefrigerantR454B
HSPF210.6
SEER2 (Efficiency)22
EER212
Liquid Line1/4"
Suction Line 1/2"
Electrical208/230V | 1 Phase | 60Hz
Max Breaker Size45 Amps
Min. Breaker Size43 Amps
BTU/Tonnage55,000 BTU/4.5 Ton
Min/Max Outdoor Temp for Heating-13°F - 75°F
Min/Max Outdoor Temp for Cooling-13°F -122°F
Zone CompatibilityMulti Zone
Height52.48"
Width37.48"
Depth16.34"
Warranty7 Year Compressor / 5 Years Parts Warranty with Online Registration
Resources You will need Adobe Acrobat Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
16ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454B
FeatureSpec
SKUDIY16-1412-O
Weight (in lbs)8.8
Brand/ManufacturerMRCOOL
UPC605468375099
RefrigerantR454B
Liquid Valve Size 1/4
Suction Valve Size 1/2
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.
25ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454B
FeatureSpec
SKUDIY25-1412-O
Weight (in lbs)12.1
Brand/ManufacturerMRCOOL
UPC605468070710
RefrigerantR454B
Liquid Valve Size 1/4
Suction Valve Size 1/2
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
FeatureSpec
SKUDIY16-3858-O
Weight (in lbs)15.9
Brand/ManufacturerMRCOOL
UPC605468166000
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.
25ft 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor - R454B
FeatureSpec
SKUDIY25-3858-O
Weight (in lbs)14.1
Brand/ManufacturerMRCOOL
UPC605468032435
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.
17" Wall Mount Bracket for Mini Split Systems
FeatureSpec
SKUHW-600
Weight (in lbs)9.2
Brand/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
FeatureSpec
SKUMSK001
Weight (in lbs)15
Brand/ManufacturerOnline Supply
UPCna
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.

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