MRCOOL® 27k DIY 5th Generation 4 Zone Multi-Zone Mini-Split Condenser 230v
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MODEL: DIY-MULTI4-27HP230D-O
DIY Multi-Zone Heating & Cooling for Up to 4 Rooms (1,000–1,200 sq. ft.)
Take charge of your home’s comfort with the MRCOOL® 27K DIY® 5th Generation Multi-Zone Mini-Split Condenser — a powerful, energy-saving solution designed to deliver efficient heating and cooling to four separate rooms. Perfect for larger homes, basements, home offices, or converted garages totaling up to 1,200 sq. ft.
Achieving a SEER2 rating of 23 and HSPF2-4 of 9.5, this 2.25-ton condenser balances premium performance with serious energy savings. It’s fully DIY-installation-ready thanks to MRCOOL®’s Quick Connect® pre-charged line sets, now filled with eco-friendly R-454B refrigerant for enhanced efficiency and sustainability.
Connect this condenser to up to 4 MRCOOL® 5th Gen DIY® Air Handlers for fully customizable, room-by-room climate control. Integrated Wi-Fi capability with the SmartHVAC® app, Amazon Alexa, and Google Assistant ensures you’re always in control, whether at home or away.
Built for durability with weather-resistant components and a reliable rotary inverter compressor, it operates quietly at 61 dBA. Backed by an impressive Limited Lifetime Compressor Replacement Warranty (with registration), you can rest easy knowing your comfort investment is protected.
Why You’ll Love It
✅ Connects Up to 4 Zones — Heats and cools four separate rooms for personalized comfort.
✅ Seamless DIY Installation — MRCOOL® Quick Connect® pre-charged line sets for easy, no-vacuum setup.
✅ High Energy Efficiency — SEER2 23 and HSPF2-4 9.5 for year-round cost savings.
✅ Smart-Home Control — Manage via SmartHVAC® app, Alexa, or Google Assistant.
✅ Follow Me® Technology — Keeps the temperature comfortable wherever you are.
✅ Ultra-Quiet Performance — Quiet rotary inverter operation at just 61 dBA.
✅ Eco-Friendly Refrigerant — Uses sustainable R-454B for reduced environmental impact.
✅ Industry-Leading Warranty — Limited Lifetime Compressor (registered), 7-Year Compressor, 5-Year Parts.
What’s Included:
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MRCOOL® 27K DIY® 5th Gen 4-Zone Mini-Split Condenser
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DIYPro™ Communication Cable
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Wireless Remote Control
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Installation Accessories
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MRCOOL® Warranty
Specifications
Specifications at a Glance
| Attribute | Details |
|---|---|
| BTU Capacity | 26,000 BTU |
| Voltage | 208/230V |
| Zones Supported | Up to 4 |
| SEER2 | 23 |
| HSPF2-4 / HSPF2-5 | 9.5 / 7 |
| Refrigerant Type | R-454B |
| Line Set Compatibility | MRCOOL® Quick Connect® |
| Max Line Set Length (ft) | 221.4 |
| Liquid Line Size | 1/4″ |
| Suction Line Size | 3/8″ |
| Sound Rating (dBA) | 61 |
| Wi-Fi Compatibility | Yes (SmartHVAC App, Alexa, Google Assistant) |
| Warranty | Limited Lifetime Compressor (registered), 7-Year Compressor, 5-Year Parts |
Installation
Installation & Guides
Room Size & BTU Coverage Guide
| BTU Rating | Ideal Coverage Area (Approx.) |
|---|---|
| 26,000 | 1,000 – 1,200 sq. ft. (up to 4 rooms) |
Important: When choosing your system, always factor in ceiling height, insulation, sun exposure, number of windows, climate, and heat-generating appliances.
What You Need for a Complete System
For full operation and optimal performance, pair this condenser with:
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MRCOOL® DIY® 5th Gen Multi-Zone Air Handlers (up to 4 total)
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MRCOOL® Quick Connect® Pre-Charged Line Sets (available in multiple lengths — sold separately)
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DIYPro™ Communication Cables (25ft included with each air handler)
Optional Accessories:
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MRCOOL® Wall Mount Bracket
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Additional Quick Connect® Line Sets
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Coupler Kits (for line set extensions)
This condenser is only compatible with MRCOOL® DIY® 5th Generation Multi-Zone Air Handlers and accessories.
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