MRCOOL® 27k DIY 5th Generation 4 Zone Multi-Zone Mini-Split Condenser 230v

Take full-home comfort to the next level with the MRCOOL® 27K DIY 5th Generation 4-Zone Mini-Split Condenser (230V)—a high-performance outdoor unit built to power up to four separate zones with precision, efficiency, and easy installation.

Designed for homeowners who want flexibility without the cost of professional HVAC installation, this system delivers powerful heating and cooling while keeping installation simple and affordable.

This condenser supports up to 4 indoor air handlers, allowing you to independently control temperatures in multiple rooms such as:

• Multi-room homes
• Garage + living space setups
• Renovations & additions
• Offices or small commercial spaces
  

It can effectively cover ~1,000 to 1,200 sq. ft., making it ideal for multi-room setups and whole-home comfort solutions.

MRCOOL’s patented DIY system eliminates the need for expensive HVAC labor:

• Pre-charged QuickConnect® line sets
• No vacuuming or special tools required
• Simple, faster installation process

This allows homeowners to install a multi-zone system without hiring a technician.

With an impressive up to 23 SEER2 rating, this system is built to:

• Lower energy consumption
• Reduce monthly utility costs
• Maintain consistent temperatures across zones

A powerful solution that balances performance with long-term savings

Uses R-454B refrigerant, which is:

• More environmentally friendly
• More energy-efficient than older systems
• Designed for future HVAC standards

Take control of your comfort from anywhere with:

• SmartHVAC® app (iOS & Android)
• Voice control via Alexa & Google Assistant
• Scheduling and energy monitoring features

Adjust each zone independently for maximum convenience and efficiency.

Each connected air handler operates independently, allowing you to:

• Set different temperatures in each room
• Reduce energy waste
• Customize comfort for every space

Perfect for families or multi-use homes.

• Durable outdoor condenser construction
• Advanced safety and protection systems
• Industry-leading warranty options (including compressor coverage when registered)

Includes DIYPRO® cable:

• Eliminates need for electrical conduit
• Provides added durability outdoors
• Speeds up installation time

Compatible With:

• MRCOOL® 6K, 9K, 12K, and 18K 5th Gen air handlers
• DIY QuickConnect® line sets and accessories

If you need maximum flexibility and power for multiple rooms, this system delivers high-efficiency performance, smart controls, and true DIY installation—making it one of the best multi-zone mini split solutions available.