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MRCOOL  |  SKU: DIYM327HPW00D21
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MRCOOL 27K 4‑Zone DIY Mini Split System w/ Three 6K Air Handlers & 25 ft QuickConnect Line Sets R‑454B DIYM327HPW00D21

$4,263.00 USD $5,760.00

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Description

MRCOOL 27K 4‑Zone DIY Mini Split System w/ Three 6K Air Handlers & 25 ft QuickConnect Line Sets R‑454B DIYM327HPW00D21

The MRCOOL 27K 4‑Zone DIY Mini Split System w/ Three 6K Air Handlers & 25 ft QuickConnect Line Sets R‑454B (model DIYM327HPW00D21) brings professional‑grade comfort and efficiency into your home without the need for licensed HVAC installers. Designed around MRCOOL’s proven DIY platform, this all‑in‑one system delivers powerful and reliable heating and cooling across four independent zones, making it ideal for homes with multiple bedrooms, offices, guest rooms, or any other spaces requiring individualized comfort control. With pre‑charged QuickConnect® line sets and user‑friendly technology, installation is truly DIY — no vacuum pumps, refrigerant handling, or complex tools required.

Built with DC inverter technology, Gold Fin® corrosion protection, and smart control compatibility, this system ensures long‑lasting performance, whisper‑quiet operation, and lower energy costs year‑round. Users can easily manage temperatures via the included remotes, the MRCOOL Smart HVAC Controller® app, or voice commands through Amazon Alexa and Google Assistant. Whether you’re upgrading an existing space or outfitting a new area, this system delivers comfort, convenience, and energy savings without compromise.

 

Features

  • Supports up to 4 zones
  • High-efficiency SEER2-rated performance
  • DC inverter compressor for smooth, quiet operation
  • Factory-sealed DIY® QuickConnect® ports
  • Gold Fin® outdoor coil for coastal & high-humidity protection
  • ENERGY STAR® & AHRI Certified

Specifications

Specification Details
Model DIYM327HPW00D21
Configuration 27,000 BTU 4‑Zone Mini Split System
Outdoor Unit Model DIY‑MULTI4‑27HP230D‑O
Indoor Units Included (3) 6,000 BTU Wall‑Mounted Air Handlers
Indoor Unit Model DIY‑06‑HP‑WMAH‑230D25‑O
Line Sets Included (3) 25 ft DIY QuickConnect® Line Sets w/ DIYPRO® Cable
Refrigerant Type R‑454B
Installation Type True DIY® – QuickConnect® Pre‑Charged
Zones Supported Up to 4
Control Options Wireless Remote, MRCOOL Smart HVAC Controller® App, Voice Control
Corrosion Protection Gold Fin® Outdoor Coil
Included Accessories Wireless remotes, wall mount hardware, smart controller module
Electrical Requirements Minimum Circuit Ampacity: 20 A; Maximum Fuse/Breaker: 25 A
Smart Home Compatibility Amazon Alexa, Google Assistant
Warranty MRCOOL Direct authorized warranty included

What’s Included 

Outdoor Unit

  • (1) MRCOOL® DIY® 27K 4-Zone Condenser
    Model: DIY-MULTI4-27HP230D-O 

Indoor Units

  • (3) MRCOOL® 6K Wall-Mounted Air Handlers
    Model: DIY-06-HP-WMAH-230D25-O

Line Sets

  • (3) MRCOOL® 25 ft DIY® QuickConnect® Line Sets w/ DIYPRO® Cable
    Model: DIY25-1438-O 

Accessories

  • Wireless remotes
  • Wall mounting hardware
  • MRCOOL® Smart HVAC Controller® module
  • Installation manuals

Frequently Asked Questions (FAQ's)

Can each room have its own temperature?

Yes. Each zone operates independently through the MRCOOL® Smart HVAC Controller®.

Is this really a DIY system?

Yes. The DIY® QuickConnect® design eliminates vacuum pumps, gauges, brazing, and refrigerant handling.

Why are 25-ft line sets included?

They allow greater flexibility for condenser placement without compromising performance or warranty. You can always go longer or shorter. 

Is this system energy efficient?

Extremely. DC inverter technology and R-454B refrigerant significantly reduce energy consumption.

Payment & Security

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