MRCOOL 27K 4‑Zone DIY Mini Split System With Three 6K Indoor Units and Three 25ft QuickConnect Line Sets R‑454B DIYM327HPW00D00

MRCOOL 27K 4‑Zone DIY Mini Split System With Three 6K Indoor Units and Three 25ft QuickConnect Line Sets R‑454B DIYM327HPW00D00

The MRCOOL 27K 4‑Zone DIY Mini Split System With Three 6K Indoor Units and Three 25ft QuickConnect Line Sets R‑454B DIYM327HPW00D00 delivers powerful multi‑room heating and cooling performance combined with convenience rarely found in multi‑zone systems. Designed around a 27,000 BTU outdoor condenser, this 4‑zone system provides independent temperature control for multiple rooms or living spaces up to approximately 200 sq ft each, making it a solid choice for bedrooms, home offices, or bonus rooms. Utilizing R‑454B refrigerant and advanced DC inverter technology, this efficient system helps lower energy costs while maintaining a comfortable indoor environment.

Built for the DIY‑enthusiast or homeowner who wants professional‑grade results without the high installation costs, this system features MRCOOL’s patented QuickConnect® technology. The pre‑charged line sets and factory‑sealed designs eliminate the need for vacuum pumps or refrigerant handling, making installation significantly easier and cleaner. Compatible with the MRCOOL Smart HVAC Controller®, you can manage comfort settings from your smartphone or hands‑free with Amazon Alexa or Google Assistant integrations.

Whether you’re upgrading an aging HVAC system or installing comfort control in a new area of your home, this multi‑zone system combines industry‑leading efficiency, quiet operation, and cutting‑edge convenience. From easy DIY setup to personalized comfort in every zone, it’s engineered to bring year‑round comfort to your space with minimal hassle.

Features

• 4 Zone Capacity — Perfect for multi-room homes
• High-efficiency SEER2 rating for lower energy bills
• DC inverter compressor for ultra-quiet operation
• Factory-sealed QuickConnect® fittings — skip the evacuation, vacuum, and refrigerant handling
• Gold Fin® corrosion-resistant outdoor coil — built for long-term reliability
• ENERGY STAR® Certified — ensuring low operating costs
• Follow Me® Technology — Tracks temperature at the remote for personalized comfort
• Dry Mode — Regulates humidity levels for a more comfortable environment
• Wireless remote for easy control
• Multiple fan speeds for cooling flexibility
• Quiet operation for noise-sensitive environments
• App + Voice Control — Compatible with both Android & iOS devices, and voice command via Google Assistant or Amazon Alexa

Specifications

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: DIY16-1438-O

Accessories:

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

Frequently Asked Questions (FAQ's)

Can I set different temperatures in each room?

Yes, each zone operates independently, and you can control each one via the MRCOOL® Smart HVAC Controller® app or your voice assistant.

Is the installation truly DIY?

Absolutely! The MRCOOL® DIY® QuickConnect® system makes installation incredibly easy with no need for special tools or refrigerant handling.

What is R-454B refrigerant?

R-454B is an eco-friendly refrigerant that offers better efficiency and a lower global warming potential compared to traditional refrigerants like R-410A.

How does the Follow Me® feature work?

The Follow Me® feature adjusts the temperature based on where the remote is located, ensuring that you get the most comfortable environment, no matter where you are in the room.