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Today's Hours 8am - 11pm estMRCOOL 36,000 BTU DIY 5th Gen 23 SEER2 3 Zone Wall Mount Mini Split Heat Pump System R454B | 230V 9 + 9 + 24
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By
MRCOOL
In stock
Model
DIY-MULTI5-36HP230D / DIY-09-WM-2 / DIY-24-WM
ID
211030
Was $5,029.20
Your Low Price $4,572.00
Product Features
- 36,000 BTU For Up To 1500 Sq Ft
- Sized At 36,000 BTU For 1500 Sq Ft
- High-Efficiency 23 SEER2 Rating
- Smartphone Control With WiFi
- EZ-Connect Line Set Simplifies Installation
- Cooling Performance Up To 122°F
High-efficiency multi-zone wall-mounted ductless mini split system designed for independent room comfort, energy savings, and reliable year-round climate control.
Enjoy year-round comfort with the MRCOOL DIY 4th Generation Multi-Zone Series Wall-Mounted Mini Split. This configurable multi-zone system pairs a high-capacity 36,000 BTU outdoor condenser with multiple wall-mounted indoor air handlers, including two 9,000 BTU model designed for rooms up to 400 sq. ft. and a 24,000 BTU model built for areas up to 1,500 sq. ft. Perfect for multi-room home layouts, this system delivers independent temperature control, quiet operation, and sleek styling for any room in your house.
Why Customers Choose the MRCOOL 3 Zone
- Easy DIY Installation — Install it yourself with MRCOOL's Quick Connect technology. Pre-charged line sets and simple connections eliminate the need for specialized HVAC tools, helping you save both time and money.
- Sleek Wall-Mounted Design — Wall-mounted indoor air handlers mount cleanly out of the way, blending seamlessly into your room's decor while providing powerful, even airflow distribution.
- Independent Multi-Zone Comfort — The powerful outdoor condenser works seamlessly with the individual 9K and 24K wall-mounted indoor air handlers, allowing each room to maintain its own independent temperature setting and square footage coverage for customized comfort where it's needed most.
- Energy-Efficient Comfort — Advanced inverter technology automatically adjusts system performance to maintain your desired temperature while using energy efficiently to help reduce utility costs.
- Quiet Everyday Operation — Advanced inverter technology and low-noise indoor units provide reliable heating and cooling with minimal sound, making this system ideal for bedrooms, offices, living areas, and other spaces.
Control Your Comfort from Anywhere
Built-in Wi-Fi lets you control your mini split from virtually anywhere using the MRCOOL Smart HVAC app on your compatible smartphone or tablet. Adjust the temperature, switch operating modes, create schedules, and manage your comfort whether you're at home or away.
Reliable Heating During Cooler Weather
Designed for year-round comfort, this heat pump provides dependable heating during cooler weather and is capable of operating efficiently across changing seasonal outdoor conditions.
What’s Included
- MRCOOL DIY 4th Generation 36,000 BTU Ductless Mini Split Outdoor Condenser (DIY-MULTI5-36HP230D)
- MRCOOL DIY 4th Generation Wall-Mounted Indoor Air Handlers (Includes DIY-09-WM-2 and DIY-24-WM)
- Quick Connect Line Sets and Installation Components
- Drain Hose
- Air Filters
- Wireless Remote Controls
- Owner's Manual, Guides, and Other Documents
Recommended Accessories
- 30" Wall Mount Bracket for Mini Split Systems
- Cielo Breeze Max Mini Split Thermostat with WiFi, SKU: BM101WA
- Installation Kit • 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
- Additional line set options with a coupler
Zone 1, 2
• Coupler - DIYCOUPLER-1438K75C • 16 ft – DIY16-1438-O • 25 ft – DIY25-1438-O • 35 ft – DIY35-1438C-O • 50 ft – DIY50-1438C-OZone 3
• Coupler - DIYCOUPLER-3858K75C • 16 ft – DIY16-3858-O • 25 ft – DIY25-3858-O • 35 ft – DIY35-3858C-O • 50 ft – DIY50-3858C-OWarranty
MRCOOL offers a 7-Year Compressor / 5-Year Parts limited warranty when installed according to manufacturer guidelines.
9,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler – R454B
MRCOOL® 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.
24,000 BTU MRCOOL DIY 5th Generation Wall Mount Air Handler - R454B
MRCOOL 24k DIY 5th Generation Mini-Split Air Handler 230V
The MRCOOL DIY 24k BTU 5th Generation Mini-Split Air Handler delivers powerful, efficient climate control with the convenience of true DIY installation. Perfect for larger spaces, this 230V unit is designed for homeowners who want high performance and ease of use without relying on professional HVAC services.
Featuring MRCOOL’s innovative DIY Quick Connect line set technology, this air handler allows for fast, tool-free setup. Combined with smart functionality and quiet operation, it offers year-round comfort with intuitive control and minimal maintenance.
Key Features
- DIY Quick Connect Installation: No vacuuming or charging required—pre-charged linesets make setup fast, easy, and safe for homeowners.
- 24,000 BTU Capacity: Effectively heats and cools spaces up to 1,000 sq. ft. with powerful, efficient performance.
- Smart HVAC Integration: Control from anywhere using the MRCOOL SmartHVAC app, Amazon Alexa, or Google Assistant.
- Leakage Detection: Alerts you in the event of a refrigerant leak to protect your system and ensure safe operation.
- Auto Restart: Automatically resumes operation after power outages for continuous comfort.
- Low Ambient Cooling: Provides effective cooling even in outdoor temperatures as low as 5°F, ideal for all-season use.
- Quiet Performance: Operates at whisper-quiet levels for a peaceful indoor environment.
- Timer & Sleep Mode: Customizable features that enhance comfort and save energy during off-hours.
Technical Highlights
- Model: DIY-24-HP-WMAH-230D25-O
- Power Supply: 208/230V, 60Hz, 1 Phase
- Air Flow (H/M/L): 941/765/618 CFM
- Sound Levels (H/M/L): 51/46/41 dB(A)
- Mounting Type: Wall Mounted
- Coverage Area: Up to 1,000 sq. ft.
The MRCOOL DIY 5th Gen 24k Air Handler is a powerful, user-friendly HVAC solution that provides professional-level comfort and control—without the need for a professional installer. Ideal for larger rooms or open spaces, this unit delivers dependable heating and cooling with simple, smart operation.
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.
Stealth 25' EZ Connect DIYCOOL Line Set for 9k, 12k, & 18k Air Handlers - R454B
25 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-25-1412-MB is a 25-foot EZ Connect DIYCOOL line set designed for use with 9,000, 12,000, and 18,000 BTU Stealth air handlers. Compatible with R454B refrigerant, this line set ensures easy and efficient installation of multi-zone mini-split systems.
Its durable construction and pre-flared connections simplify setup, making it ideal for DIYCOOL installations while maintaining reliable performance and system efficiency.
Key Features
- Length: 25 feet
- Compatible with 9k, 12k, and 18k BTU DIYCOOL air handlers
- Supports eco-friendly R454B refrigerant
- EZ Connect design for simplified installation
- Durable, pre-flared connections for reliable performance
- Ideal for DIYCOOL or professional multi-zone mini-split setups
Note: Line set only; requires compatible indoor and outdoor units for full operation.
The Stealth brand is formerly know as Infinity Living.
30" Wall Mount Bracket
This wall mount bracket is perfect for outdoor condensers. The length of the wall bracket arms are 30" long. The condensing unit is mounted onto the L-shaped brackets and fastened using bolts and anti-vibration washers (not included with brackets).
Features:
- Steel: 10 GA
- Powder-coated grey Finish
- Load rating: 600 lbs per pair
- Holes will accommodate anchors for installation
- Warranty: 1 year
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!
Cielo Breez Max Mini Split Thermostat with WiFi
Introducing Cielo Breez Max, the ultimate smart thermostat for your mini-splits, designed to elevate your comfort with intelligent climate control. Transform your air conditioner into a smart powerhouse and manage your cooling or heating from anywhere using your phone. This award-winning device, available in black and white, prevents overheating or overcooling with AI-powered Comfy Max, while seamlessly detecting any mini-split brand for hassle-free setup.
Features:
- Energy Savings
- WiFi Connectivity
- Weekly Schedule
- Geofencing
- Temperature Range Lock
- Real-Time Notifications
- HVAC Zoning
Weekly Schedule lets you set on and off periods throughout the week based on your needs.
Geofencing uses your smartphone's location to trigger actions in your system, such as turning the air conditioner on or off based on your proximity to home.
Temperature Range Lock ensures your air conditioner operates within a set temperature range for optimal comfort and efficiency.
Real-Time Notifications keep you informed with important updates, helping you manage your air conditioner better.
HVAC Zoning allows you to create customized temperature control zones by grouping multiple mini-split units.
The Cielo Breez Max offers innovative features and extraordinary performance, making it a perfect fit for any room air conditioner. Enjoy maximum energy savings and simplified home comfort with this advanced smart thermostat.
MRCOOL DIY 75' Line Set Couplers - 3/8" x 5/8"
Coming in as one of the first brands to offer a multi zone DIY mini split, MRCOOL offers the DIYCOUPLER-3858K75 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. To prevent the need of extending the control wire included with the air handler, the coupler also includes 75' of control wire to replace what comes with MRCOOL DIY air handlers. 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.
Please note the 50' version know as (DIYCOUPLER-3858K50) is out-of-stock and has been discontinued.
Stealth 50’ EZ Connect DIYCOOL Line Set for 24k, 36k Air Handlers - R454B
50 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-50-3858-MB is a 50-foot EZ Connect DIYCOOL line set designed for use with 24,000 and 36,000 BTU Stealth air handlers. Compatible with R454B refrigerant, this line set provides an efficient and reliable connection between indoor and outdoor units in multi-zone mini-split systems.
Built with durable materials and pre-flared connections, it simplifies installation for both DIYCOOL enthusiasts and professional installers, ensuring system efficiency and long-term performance.
Key Features
- Length: 50 feet
- Compatible with 24k and 36k BTU DIYCOOL air handlers
- Supports eco-friendly R454B refrigerant
- EZ Connect design for simplified installation
- Durable pre-flared connections for reliable performance
- Ideal for DIYCOOL or professional multi-zone mini-split setups
Note: Line set only; requires compatible indoor and outdoor units for full operation.
The Stealth brand is formerly know as Infinity Living.
Infinity Living 25’ EZ Connect DIYCOOL Line Set for 24k, 36k Air Handlers - R454B
25 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-25-3858-MB is a 25-foot EZ Connect DIYCOOL line set designed for use with 24,000 and 36,000 BTU Stealth air handlers. Compatible with R454B refrigerant, this line set ensures efficient and reliable installation of multi-zone mini-split systems.
Its durable construction and pre-flared connections simplify setup, making it ideal for both DIYCOOL and professional installations while maintaining system efficiency.
Key Features
- Length: 25 feet
- Compatible with 24k and 36k BTU DIYCOOL air handlers
- Supports eco-friendly R454B refrigerant
- EZ Connect design for simplified installation
- Durable, pre-flared connections for reliable performance
- Ideal for DIYCOOL or professional multi-zone mini-split setups
Note: Line set only; requires compatible indoor and outdoor units for full operation.
The Stealth brand is formerly know as Infinity Living.
Equipment Pad and Risers Kit
E Lite Condenser Pad and Risers
E Lite Condenser Pad
E Lite Condenser Pad is designed to provide solid support for air conditioning condensers. It's made from sturdy polypropylene, striking a balance between lightness and stability. Its robust design ensures a level ground without the need for extra components.
Key Features:
- Reliable Support: Abundance of ridges for stable ground support.
- Durable and Lightweight: Tough yet not excessively heavy, thanks to polypropylene construction.
- Anti-Slip: The surface prevents slipping, and rounded edges enhance safety.
- Simple Appearance: Gray color with size labels.
- Versatile Use: Suitable for condensers, pipes, ducts, cables, and more.
E Lite Risers
E Lite Risers complement the Condenser Pad, allowing you to adjust your setup as needed. They are constructed from weather-resistant PVC for outdoor use.
Key Features:
- Weather Resistance: Made from tough PVC for long-lasting performance.
- Secure Setup: The track securely holds bolts in place.
- Bolts Included: Each set comes with two bolts.
- Strong Support: Capable of handling loads of up to 397 pounds.
E Lite Condenser Pad and Risers offer reliable support without any complications. They are built to last and deliver efficient performance. Consider E Lite for your support needs – it's a practical solution for your projects.
No Return Policy
All sales of this product are final and are non-refundable.
Stealth 50’ EZ Connect DIYCOOL Line Set for 9k, 12k, 18k Air Handlers - R454B
50 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-50-1412-MB is a 50-foot EZ Connect DIYCOOL line set designed for use with 9,000, 12,000, and 18,000 BTU Stealth air handlers. Compatible with R454B refrigerant, this line set ensures efficient and reliable installation of multi-zone mini-split systems.
Its durable construction and pre-flared connections simplify setup, making it ideal for DIYCOOL or professional installations while maintaining system efficiency.
Key Features
- Length: 50 feet
- Compatible with 9k, 12k, and 18k BTU DIYCOOL air handlers
- Supports eco-friendly R454B refrigerant
- EZ Connect design for simplified installation
- Durable, pre-flared connections for reliable performance
- Ideal for DIYCOOL or professional multi-zone mini-split setups
Note: Line set only; requires compatible indoor and outdoor units for full operation.
The Stealth brand is formerly know as Infinity Living.
Top reviews
- Awesome ProductThank you so much for such a quality product at a great price. The local heating/cooling company was going to charge me 10k for a unit for a 30 by 30 garage!
Posted on
- good unit, easy install, very nice smart appsupport was excellent, got by a minor issue. unit has been trouble free since install.
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Customer Questions
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.