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MRCOOL 36,000 BTU DIY 5th Gen 23 SEER2 2 Zone Wall Mount Mini Split Heat Pump System R454B | 230V 18 + 18

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MRCOOL

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Model

DIY-MULTI5-36HP230D / DIY-18-WM-2

ID

210990

Was $4,845.50
Your Low Price $4,405.00
 
Product Features
  • 36,000 BTU Comfort For 1500 Sq Ft
  • Sized At 36,000 BTU For 1500 Sq Ft
  • High-Efficiency 23 SEER2 Rating
  • WiFi Enabled For Easy Adjustments
  • EZ-Connect Line Set Simplifies Installation
  • Reliable Cooling Up To 122°F
Customize MRCOOL 36,000 BTU DIY 5th Gen 23 SEER2 2 Zone Wall Mount Mini Split Heat Pump System R454B | 230V 18 + 18
36,000 BTU MRCOOL 5 Zone Condenser - R454B
36,000 BTU MRCOOL 5 Zone Condenser - R454B   + $2,543.00
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
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
16ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454B
16ft 1/4 x 1/2 Line Set for DIY 18K Indoor - R454B
17" Wall Mount Bracket for Mini Split Systems
Installation Kit for Condensers
36,000 MRCOOL 5th Gen DIY 23 SEER2 2 Zone Wall Mounted Mini Split Heat Pump System - R-454B | 18 + 18 DIY-MULTI5-36HP230D / DIY-18-WM-2

$4,405.00

36,000 BTU MRCOOL 5th Gen DIY 23 SEER2 2 Zone Wall Mounted Mini Split Heat Pump System “ R-454B | 18 + 18

The MRCOOL 5th Gen DIY 36,000 BTU 2 Zone Mini Split Heat Pump System delivers powerful climate control across two large areas with ease and efficiency. This configuration features two 18,000 BTU wall-mounted indoor units, making it ideal for expansive spaces such as living rooms, master bedrooms, or open-plan layouts. With energy-saving 23 SEER2 performance, smart technology compatibility, and homeowner-friendly installation, this system combines strength and simplicity in one innovative package.

Key Features

  • Dual 18k BTU Coverage: Offers high-capacity heating and cooling for two large zones, ensuring balanced comfort in spacious rooms.
  • 23 SEER2 Efficiency: Reduces energy consumption while maintaining powerful and consistent temperature control.
  • R-454B Refrigerant: A low-GWP refrigerant choice that supports sustainability and environmental responsibility.
  • Smart Technology: Integrates with the MRCOOL SmartHVAC app, Google Assistant, and Amazon Alexa for remote and voice control.
  • Quiet Operation: Built for low-noise performance, making it ideal for bedrooms, home offices, and entertainment areas.
  • Follow Me® Function: Adjusts the temperature based on the sensor in the remote control, enhancing personalized comfort.

System Benefits

  • Optimized for Large Rooms: Perfect for two high-demand areas that need robust and efficient heating and cooling.
  • All-Season Performance: Cools efficiently in outdoor temps up to 122°F and heats in temps as low as -13°F.
  • Enhanced Durability: Outdoor condenser features Gold Fin anti-corrosion protection for extended lifespan in harsh weather.
  • No Technician Required: Engineered for confident DIYers who want pro-grade results without pro installation costs.
  • Reliable Support: Backed by MRCOOL's manufacturer warranty for peace of mind and long-term system security.

The MRCOOL DIY 5th Gen 36,000 BTU 2 Zone System (18 + 18) is a high-performance solution tailored for homeowners seeking zoned comfort across two larger spaces. Its balance of advanced technology, efficiency, and DIY convenience makes it a top-tier choice for serious residential climate control. 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 5 Zone Condenser - R454B

MRCOOL 36k DIY 5th Generation 5 Zone Multi-Zone Mini-Split Condenser 230v

The MRCOOL® DIY-MULTI5-36HP230D-O is a powerful and flexible 5th Generation Multi-Zone Mini-Split Condenser designed for up to five zones of customized climate control. Ideal for homeowners seeking an energy-efficient, easy-to-install system, this 36,000 BTU unit supports MRCOOL® DIY® Quick Connect® air handlers and features industry-leading convenience and performance.

Key Features

  • 5-Zone Capacity: Supports up to five indoor units with varied BTU ratings for personalized room-by-room temperature control.
  • Smart Technology: Works with the SmartHVAC app, Amazon Alexa, and Google Assistant for remote monitoring and control.
  • Energy Efficiency: High SEER2 and HSPF2 ratings provide year-round comfort while reducing utility costs.
  • Durable Design: Features a corrosion-resistant Gold Fin coating for long-term outdoor reliability.

Performance Specifications

  • Model: DIY-MULTI5-36HP230D-O
  • Power Supply: 208/230V, 60Hz, 1Ph
  • Cooling Capacity: 36,000 BTU
  • Heating Capacity: 36,000 BTU
  • SEER2: Up to 23
  • HSPF2: Up to 8.5

Additional Features

  • Low Ambient Cooling: Operates in temperatures as low as 5°F for cooling and -13°F for heating
  • Quiet Operation: Low noise output for minimal disturbance indoors and outdoors
  • Auto Restart: Automatically resumes settings after a power outage
  • Multiple Fan Speeds: Adjustable airflow settings for increased comfort

The MRCOOL 36k DIY 5th Generation Multi-Zone Condenser is the ideal solution for homeowners who want full control, top-tier performance, and hassle-free installation. With smart features and powerful climate management across five zones, it delivers dependable comfort all year long.

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.

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.

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 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 5 Zone Multi-Zone Mini Split Condenser - R454B | 230V
FeatureSpec
SKUDIY-MULTI5-36HP230D-O
Refrigerant Charge6.56 lbs (Pre-Charged for 25ft Line Set)
Weight (in lbs)169.75
AHRI Certificate Number216032592
Brand/ManufacturerMRCOOL
UPC840255587464
Cooling BTU34,000 BTU
Heating BTU36,000 BTU
Decibel Level (dBA)64 dBA
Energy StarYes
RefrigerantR454B
HSPF29.9
SEER2 (Efficiency)23
EER212
Liquid Line1/4"
Suction Line 1/2"
Electrical208/230V | 1 Phase | 60Hz
Max Breaker Size35 Amps
Min. Breaker Size30.5 Amps
BTU/Tonnage36,000 BTU/3 Ton
Min/Max Outdoor Temp for Heating-13°F - 75°F
Min/Max Outdoor Temp for Cooling-13°F - 122°F
Zone CompatibilityMulti Zone
Height31.89"
Width37.24"
Depth16.14"
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 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.
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
Top reviews
  1. good unit, easy install, very nice smart app
    Quality
    100%
    Service
    100%
    Price
    100%
    support was excellent, got by a minor issue. unit has been trouble free since install.

    Review by

    Posted on

Customer Questions
Does this MRCOOL dual zone include a line set?
Thank you for reaching out. This MRCOOL system does not come with a line set, but you can purchase one for an additional charge. Please check out the 16ft line set here.
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Why Choose MRCOOL?
Why Choose MRCOOL?

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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