MRCOOL® 27K 4-Zone DIY® Mini Split System (9k + 9k + 9k) Air Handlers & three 16ft QuickConnect® Line Sets- R-454B- DIYM327HPW05D00

Product Description 

Model: DIYM327HPW05D00

The MRCOOL® DIYM327HPW05D00 4-Zone Mini Split System is a powerful, balanced multi-zone solution designed for homeowners who want professional-grade comfort with true DIY® installation. Centered around the MRCOOL® DIY® 5th Generation 27,000 BTU multi-zone condenser, this system delivers efficient heating and cooling to three equally sized rooms, making it ideal for bedrooms, offices, bonus rooms, or rental properties.

This configuration uses three 9,000 BTU wall-mounted air handlers, providing even capacity distribution across multiple spaces while maintaining independent temperature control in each zone. Instead of overworking one large unit, this setup maximizes efficiency, comfort consistency, and long-term system reliability.

Installation is made simple using MRCOOL® DIY® QuickConnect® technology, which eliminates vacuum pumps, refrigerant charging, and licensed HVAC labor. Each air handler connects using factory-sealed, pre-charged line sets filled with R-454B refrigerant, ensuring compliance with modern efficiency and environmental standards.

Premium features like Gold Fin® corrosion protection, Follow Me® temperature sensing, and smart control through the MRCOOL® Smart HVAC Controller® allow you to manage comfort from anywhere using your phone or voice commands via Amazon Alexa and Google Assistant.

If you want a clean, symmetrical multi-zone layout that installs fast and performs like a professionally designed system, the MRCOOL® DIYM327HPW05D00 is built to deliver.

WHAT’S INCLUDED IN THIS COMPLETE DIY® BUNDLE

✔ MRCOOL® DIY® 4-Zone Outdoor Condenser

• Model: DIY-MULTI4-27HP230D-O

• 27,000 BTU | 208/230V | DC Inverter Heat Pump

• Max Breaker: 35A | Min Circuit Ampacity: 30.5A

✔ (3) MRCOOL® DIY® 9K BTU Wall-Mounted Air Handlers

• Model: DIY-09-HP-WMAH-230D25-O

• Each zone independently controlled

• Ideal for rooms up to ~350 sq. ft. each

✔ (3) MRCOOL® DIY® 16 ft QuickConnect® Line Sets

• Model: DIY16-1438-O

• Pre-charged with R-454B refrigerant

✔ Wireless remotes for each zone

✔ 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 Breaker: 35 Amps
• Condenser Minimum Circuit Ampacity: 30.5 Amps
• Installation: True DIY® — No HVAC license required

❓FREQUENTLY ASKED QUESTIONS 

Is this system good for equal-size rooms?

Yes. Three 9K zones provide balanced comfort across similar-sized spaces.

Can I install this without HVAC tools?

Yes. The DIY® QuickConnect® system eliminates vacuuming and charging.

Can each zone be controlled independently?

Absolutely. Each air handler operates on its own thermostat and remote.

Does this support smart home control?

Yes. Works with the MRCOOL® Smart HVAC Controller®, Alexa, and Google Assistant.

Is R-454B refrigerant future-compliant?

Yes. R-454B meets current and upcoming environmental regulations.

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!

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615-553-8118

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