MRCOOL® 27K 4-Zone DIY® Mini Split System with two 6K + 12k Air Handlers & two 25ft + 50ft QuickConnect® Line Sets- R-454B- DIYM327HPW02D23

Product Description 
Model: DIYM327HPW02D23
The MRCOOL® DIYM327HPW02D23 4-zone Mini Split System is engineered for homeowners who want room-by-room temperature control, strong efficiency, and a true do-it-yourself installation without sacrificing professional-grade performance. Built around the MRCOOL® DIY® 5th Generation 27K Multi-Zone condenser, this system delivers reliable heating and cooling across four separate zones with independent comfort control.
This bundle uses MRCOOL®’s patented DIY® QuickConnect® technology, allowing installation without vacuum pumps, refrigerant handling, or an HVAC license. Every line set arrives factory-sealed and pre-charged with next-generation R-454B refrigerant, helping improve efficiency while reducing environmental impact and ensuring long-term compliance.
With two 6K BTU air handlers and one 12K BTU air handler, this configuration is ideal for bedrooms, offices, guest rooms, or bonus spaces. The included DIYPRO® cable eliminates the need for conduit, speeds installation, and ensures clean, reliable communication between components.
Premium features like Gold Fin® corrosion-resistant coils, Follow Me® temperature sensing, and full smartphone control through the MRCOOL® Smart HVAC Controller® app give you precise comfort control, ultra-quiet operation, and total convenience. Voice control through Amazon Alexa and Google Assistant is supported right out of the box.
Backed by MRCOOL®’s industry-leading warranty, this system is built for homeowners who want long-term reliability, lower energy costs, and full control — without contractor pricing.
 
WHAT’S INCLUDED IN THIS COMPLETE DIY® BUNDLE
✔ MRCOOL® DIY® 4-Zone Outdoor Condenser
• Model: DIY-MULTI4-27HP230D-O
• 27,000 BTU | 230V | Inverter Heat Pump
• Max Breaker: 35A | Min Circuit Ampacity: 30.5A
 
✔ (2) MRCOOL® DIY® 6K BTU Wall-Mounted Air Handlers
• Model: DIY-06-HP-WMAH-230D25-O
• Ideal for rooms up to ~200 sq. ft. each
✔ (1) MRCOOL® DIY® 12K BTU Wall-Mounted Air Handler
• Model: DIY-12-HP-WMAH-230D25-O
• Ideal for rooms up to ~550 sq. ft.
✔ (2) MRCOOL® DIY® 25 ft QuickConnect® Line Sets
• Model: DIY25-1438-O
• Factory pre-charged with R-454B refrigerant
✔ (1) MRCOOL® DIY® 50 ft QuickConnect® Line Set w/ DIYPRO® Cable
• Model: DIY50-1438C-O
• Extended-length line set with integrated communication wire
✔ Wireless remotes for each air handler
✔ DIY® QuickConnect® fittings
✔ Factory-sealed refrigerant system
Smart phone not included
 
⚙️ ELECTRICAL & SYSTEM SPECIFICATIONS

Voltage: 208/230V
Phase: Single Phase
Zones Supported: Up to 4
Refrigerant: R-454B
Condenser Max Fuse / Breaker: 35 Amps
Condenser Minimum Circuit Ampacity: 30.5 Amps
Installation: True DIY® — No HVAC license required

 
❓ FREQUENTLY ASKED QUESTIONS 
Can I install this system myself?
Yes. MRCOOL® DIY® systems are designed specifically for homeowner installation using QuickConnect® technology.
 
Do I need special HVAC tools or refrigerant handling?
No. The system is factory-sealed and pre-charged.
 
Can each room be controlled independently?
Yes. Each air handler has its own thermostat and remote.
 
Is this system compatible with smart home devices?
Yes. Works with the MRCOOL® Smart HVAC Controller® app, Amazon Alexa, and Google Assistant.
 
Is this system energy efficient?
Absolutely. DC inverter technology and R-454B refrigerant maximize efficiency and lower operating costs.
 
Why Buy From MRCOOL DIRECT?
When you order from MRCOOL Direct, you get:

✅ Authorized MRCOOL® dealer – Your warranty is protected
✅ Factory-fresh units – No refurbished or mystery sources
✅ Fast U.S. shipping – Most in-stock items ship in 1–3 business days
✅ Financing options – Make high-efficiency comfort more affordable
✅ Real product support – Help with sizing, line set selection, and DIY questions
✅ No third-party marketplace middlemen – Just genuine MRCOOL® systems from a trusted MRCOOL® dealer.

BUY DIRECT!
Feel Free to call us anytime. Family Friendly help just a dial away. We love talking HVAC615-553-8118
Family owned & USAs #1 MRCOOL® Authentication Dealer.
 
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