18K BTU MRCOOL DIY 5th Gen 2-Zone (6K + 9K) Ductless Mini-Split - R454B

MrCoolSKU: DIYMULTI318HP230DOW2-17
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Description

📦 AVAILABILITY NOTICE:

This product is expected to arrive in the MrCool Warehouse by the end of July 2025. Pre-Order will be available soon—reserve yours early to ensure priority shipment!

MRCOOL® DIY® 5th Gen 18K BTU Dual-Zone Mini-Split System (6K + 9K) – Energy-Efficient Comfort You Can Install Yourself

The MRCOOL® DIY® Multi-Zone 5th Generation 18,000 BTU Ductless Mini-Split Heat Pump System is the perfect solution for homeowners who want reliable heating and cooling without the cost of professional installation. This dual-zone system includes one 6K BTU and one 9K BTU indoor air handler—ideal for conditioning two separate areas of approximately 200 and 400 sq. ft., respectively.

True DIY Installation
The MRCOOL DIY system features Quick Connect® pre-charged line sets with eco-friendly R-454B refrigerant, eliminating the need for special tools, vacuuming, or HVAC technician assistance. No guesswork—just simple, straightforward setup. Video installation guides are also available to walk you through every step.

Year-Round Comfort
Designed for all seasons, this heat pump provides efficient cooling in summer, dependable heating in winter (down to -13°F), and dehumidification during humid months. It operates at up to 23.9 SEER2 efficiency, helping you reduce your energy bills while maintaining ideal indoor air quality.

Smart Technology & Remote Control
Control your zones independently using the included remotes, the MRCOOL SmartHVAC app (iOS/Android), or voice commands through Amazon Alexa and Google Assistant. Each indoor unit also features a digital display with real-time temperature info and diagnostic alerts for easy troubleshooting.

Customizable Comfort Features

Follow Me® Function: Targets the temperature around the remote for personalized comfort

Sleep Mode: Adjusts temperature automatically overnight to save energy

Auto Mode: Automatically adjusts heating or cooling to maintain your set temperature

Dry Mode: Dehumidifies while maintaining ambient temperature

Timer Function: Schedule your system to turn on or off at desired times

Quiet Mode: Mute alerts and lights for a peaceful environment

Durable, Weather-Resistant Design
Equipped with a corrosion-resistant Gold Fin® Condenser and built to last, this system comes backed with a 7-year compressor warranty (extendable to a lifetime warranty) and a 5-year parts warranty.

Expandable System
This 18K BTU system supports up to three indoor units. For larger homes or more zones, consider upgrading to the MRCOOL DIY 27K BTU Multi-Zone system, which supports up to four zones.


Key Features:

DIY® Installation – No HVAC license required

Pre-Charged Quick Connect® Line Set – Hassle-free setup

Dual-Zone (6K + 9K BTU) – Ideal for two rooms

23.9 SEER2 / 10 HSPF2 – Ultra-high efficiency

SmartHVAC App + Voice Control

Gold Fin® Condenser Protection

R-454B Eco-Friendly Refrigerant

Lifetime Tech Support

Troubleshooting Alerts & Filter Reminders

Whisper-Quiet Operation


Upgrade your comfort, reduce your energy costs, and skip the costly installation fees with the MRCOOL DIY 5th Gen 18K Dual-Zone Ductless Mini Split System (6K + 9K)—the smartest and most efficient HVAC solution for today’s homeowner.

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