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Today's Hours 8am - 11pm est48,000 BTU Stealth DIYCOOL 21.8 SEER2 4-Zone Mini Split Wall Mount Heat Pump System R454B | 230V - 12 + 12 + 12 + 12
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By
Stealth
In stock
Model
EZ-48Z-M5B / EZ-12W-MB-4
ID
210949
Was $8,669.98
Your Low Price $5,567.99
- Do-It-Yourself Installation
- SEER2 Rating 21.8
- 48,000 BTU
- Perfect for three rooms up to 400-600 sqft
- R454B Refrigerant
Energy-efficient ductless system that delivers simple installation, lower operating costs, and reliable climate control for five separate rooms.
Bring efficient, flexible comfort to multiple areas of your home with the Stealth DIYCOOL Series Mini Split. This 48,000 BTU five-zone system is designed to provide dependable heating and cooling for multiple individual spaces while making installation easier than traditional HVAC systems. The system includes four 12,000 BTU indoor air handlers, each ideal for rooms approximately 600 sq. ft.. This configuration is an excellent choice for bedrooms, home offices, guest rooms, apartments, and other residential applications requiring independent temperature control across multiple zones.
Why Customers Choose the Stealth 4 Zone
- Easy DIY Installation — Install it yourself with Quick Connect technology. No specialized HVAC tools are needed, helping you save both time and money.
- Independent Five-Zone Comfort — The 48,000 BTU outdoor condenser paired with four 12,000 BTU indoor air handlers delivers customized heating and cooling across multiple separate zones. Each indoor unit operates independently, allowing personalized temperature control in each room.
- Energy-Efficient Comfort — Inverter technology automatically adjusts performance to keep your home comfortable while using less energy and helping lower utility bills.
- Quiet Everyday Operation — Low-noise operation makes this system ideal for bedrooms, offices, nurseries, and other living spaces where quiet performance matters.
Control Your Comfort from Anywhere
Built-in Wi-Fi and smart controls allow you to manage your mini split system from virtually anywhere. Adjust the temperature, switch operating modes, create schedules, and control each zone individually whether you're home or away.
Reliable Heating During Cooler Weather
Designed for year-round comfort, this heat pump provides dependable heating and cooling performance with advanced inverter technology. The system uses R454B refrigerant, operates on 230V power, and delivers efficient multi-zone comfort for changing weather conditions.
What’s Included
- Stealth DIYCOOL 48,000 BTU Ductless Mini Split Outdoor Condenser (EZ-48Z-M5B)
- Four Stealth DIYCOOL 12,000 BTU Ductless Mini Split Indoor Air Handlers (EZ-12W-MB)
- Wireless Remote Controls
- Owner's Manual, Installation Guides, and Other Documentation
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
- Coupler - DIYCOUPLER-1412K75C
- 25 ft – EZ-25-1412-MB
- 35 ft – EZ-35-1412-MB
- 50 ft – EZ-50-1412-MB
Warranty
Stealth offers a limited warranty of 7-Year Compressor / 5-Year Parts Warranty when installed according to manufacturer guidelines.
48,000 BTU Stealth Multi Zone Condenser-R454B
Experience powerful, year-round comfort with a high-capacity multi-zone outdoor condenser designed for flexible zoning, efficient performance, and simplified DIY installation.
The Stealth DIYCOOL Series 48,000 BTU Multi-Zone Mini Split Heat Pump Condenser delivers reliable heating and cooling for spaces up to 2,500 square feet. Operating on 230V power and utilizing environmentally friendly R-454B refrigerant, this inverter-driven outdoor condenser provides efficient performance with up to 21.8 SEER2 efficiency. Designed to support multiple compatible indoor air handlers, it allows homeowners to create customized comfort zones throughout larger homes or office spaces while maintaining quiet and energy-efficient operation throughout the year.
Key Features
- Multi-Zone Comfort Control — Supports multiple compatible indoor units, allowing personalized temperature control across different rooms and areas.
- High-Efficiency Inverter Performance — Delivers 48,000 BTU of heating and cooling capacity with up to 21.8 SEER2 efficiency for dependable comfort and improved energy savings.
- DIY-Friendly Installation — Designed with Stealth DIYCOOL technology to help simplify setup and provide a more convenient installation experience.
- Quiet, Reliable Operation — Engineered with advanced inverter technology and durable outdoor construction for efficient, low-noise performance in varying conditions.
- Smart Comfort Compatibility — Works with compatible Stealth DIYCOOL indoor units featuring convenient functions such as Wi-Fi control, sleep mode, auto swing, and louver position memory.
Warranty
Stealth offers a limited warranty of 7-Year Compressor / 5-Year Parts Warranty when installed according to manufacturer guidelines.
12,000 BTU Stealth Multi Zone Air Handler-R454B
Enjoy flexible, year-round comfort with a high-efficiency multi-zone wall-mounted indoor air handler designed for quiet operation, easy installation, and seamless integration with Stealth DIYCOOL Series heat pump systems.
The Stealth DIYCOOL Series 12,000 BTU Multi-Zone Wall Mount Mini Split Air Handler provides efficient heating and cooling for spaces up to 600 square feet. Operating on 230V power and utilizing environmentally friendly R-454B refrigerant, this indoor unit delivers reliable zone comfort with quiet operation and a sleek, space-saving wall-mounted design. Designed to pair with compatible Stealth DIYCOOL Series multi-zone condensers, it is an ideal solution for bedrooms, living areas, offices, apartments, and other spaces requiring customizable temperature control.
Key Features
- Multi-Zone Compatibility — Designed to work with compatible Stealth DIYCOOL multi-zone heat pump systems, allowing flexible comfort control across multiple rooms or areas.
- Efficient Heating & Cooling — Provides 12,000 BTU of capacity for dependable temperature control in small to medium-sized residential and office spaces.
- Quiet Indoor Performance — Engineered for smooth, low-noise operation to help maintain a comfortable indoor environment.
- DIY-Friendly Wall Mount Design — Features a compact wall-mounted configuration designed for flexible installation and compatibility with Stealth DIYCOOL systems.
- Smart Comfort Features — Includes Wi-Fi capability, multiple control options, sleep mode, humidity control, auto swing, louver position memory, and self-diagnostic functionality for convenient operation and maintenance.
Warranty
Stealth offers a limited warranty of 7-Year Compressor / 5-Year Parts Warranty when installed according to manufacturer guidelines.
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.
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!
Stealth 35’ DIYCOOL Line Set for 9k, 12k, 18k Air Handlers - R454B
35 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-35-1412-MB is a 35-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: 35 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.
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.
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