MRCOOL DIY 5th Generation Multi-Zone Mini Split Condenser, 230V

Take control of your entire home's climate with the 5th Generation MRCOOL DIY Multi-Zone Condenser, now enhanced with R454B refrigerant. This eco-friendly innovation boosts energy efficiency, reduces greenhouse gas emissions, and offers a lower Global Warming Potential (GWP), making it a smart choice for homeowners seeking an environmentally conscious climate solution. Available in 5 flexible sizing options from 18,000 BTU to 55,000 BTU, this innovative system supports 3 to 6 air handler zones, delivering powerful, reliable cooling and heating without requiring professional installation or special tools.

The DIY Series Multi-Zone Condenser is engineered to pair seamlessly with compatible MRCOOL DIY air handlers, designed with true DIY installation in mind to eliminate expensive service calls while maintaining premium multi-zone performance. The brand new 5th Generation MRCOOL DIY Multi-Zone Ductless Mini-Split Condenser is the right choice if you need immediate, effective comfort that won’t break the bank! This system, which can be installed without the assistance of an HVAC professional, is one of the most efficient and innovative HVAC options on the market. Our DIY Mini-Splits are able to forgo the evacuation and charging process because our patented Quick Connect line sets are pre-charged with R-454B refrigerant, a more efficient and eco-friendly refrigerant than R-410A, which we have previously used. These line sets are sold separately. This unit achieves a SEER2 of 23 and an HSPF2-4 of 9.9. These fittings make installation an incredibly safe and simple process, allowing you to save a lot of time and money. There are a variety of features to explore once the system is up and running. One of them is the ability to integrate your system with the SmartHVAC app, allowing you to control your comfort with the touch of a button. You can even go a step further and link your Amazon Alexa or Google home for touchless operation. With the app, you can set each zone’s temperature, set schedules for each unit, monitor your system’s energy usage, and more. There are even more features to explore that will help you customize your comfort to be exactly what you want.

We’ve got your back in the unlikely event that your system malfunctions. Your system will come with a 5 year parts warranty and a 7 year compressor warranty, and if you enroll in the MRCOOL Care Program, you’ll be able to enjoy the Limited Lifetime Replacement warranty! For the best comfort you’ve ever felt and a sense of accomplishment as icing on the cake, choose the MRCOOL DIY!

Available Sizes

• 18,000 BTU (3-Zone) - SEER2 23.9 / HSPF2-4 10.0 - Supports 3 air handlers, up to 750 sq ft combined coverage
• 27,000 BTU (4-Zone) - SEER2 23.0 / HSPF2-4 9.0 - Supports 4 air handlers, multi-room heating and cooling
• 36,000 BTU (5-Zone) - SEER2 23.0 / HSPF2-4 9.0 - Supports 5 air handlers, expansive multi-zone coverage
• 48,000 BTU (6-Zone) - SEER2 21.8 / HSPF2-4 8.5 - Supports 6 air handlers, maximum multi-zone capacity
• 55,000 BTU (6-Zone) - SEER2 22.0 / HSPF2-4 8.8 - Supports 6 air handlers, highest capacity multi-zone system

Ideal For:

• Homeowners avoiding professional installation costs - DIY installation eliminates expensive service calls while delivering professional-grade multi-zone cooling and heating performance.
• Tech-savvy DIY enthusiasts with multiple spaces - No special tools, no vacuuming, no certifications required—straightforward connection and activation designed for anyone managing multi-room comfort.
• Property owners seeking independent zone control - Cool bedrooms to 68°F while heating living areas to 72°F—each air handler operates independently for personalized comfort.
• Smart home automation seekers - Wi-Fi connectivity enables voice control via Alexa and Google Home, plus app-based scheduling and monitoring for complete multi-zone management.

Why Customers Choose MRCOOL 5th Gen Multi-Zone Condenser 230V

• Professional Multi-Zone Performance at DIY Prices - Up to 23.9 SEER2 efficiency delivers exceptional energy savings without expensive professional installation markups.
• Truly Simple Installation - No special tools, no refrigerant vacuuming, no certifications required—pre-charged QuickConnect lines make setup fast and foolproof for any homeowner.
• Flexible Multi-Zone Capacity - Choose from 5 capacity options (18K to 55K BTU) supporting 3 to 6 independent zones—customize comfort to match your exact home layout.
• Eco-Friendly Smart Technology - R454B refrigerant reduces environmental impact while the SmartHVAC app and voice control provide convenient remote management across all zones.
• Lifetime Reliability Assurance - Limited Lifetime Replacement warranty plus 7-year compressor protection delivers confidence without professional service dependencies.

Certifications & Warranty

• Energy Star Compliant - Meets EPA energy efficiency standards for residential cooling and heating applications
• Up to 23.9 SEER2 Energy Rating - Superior energy efficiency for significant utility savings and rebate eligibility
• Up to 10.0 HSPF2-4 Heating Rating - Excellent heating performance for year-round comfort and reduced heating costs
• Eco-Friendly R454B Refrigerant - Low Global Warming Potential with reduced greenhouse gas emissions
• SmartHVAC Wi-Fi Certified - Compatible with Amazon Alexa and Google Home voice control ecosystems
• Limited Lifetime Replacement Warranty - Available with MRCOOL Care Program enrollment for maximum peace of mind
• 7-Year Compressor Limited Warranty - Extended protection on the core heating and cooling component
• 5-Year Parts Limited Warranty - Coverage on condenser components and internal systems
• DIY Installation Supported - No professional installation required—warranty valid with proper registration
• Online Registration Required - Simple registration activates full warranty coverage and extended protection benefits
• AHRI certified
• NEEP ccASHP Listed
• CEE Tier1 - North