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Lowest price we've seen: $2,997.00 on Nov 13 at Mass Hvac Distributors. Tracked across 2 stores since Nov 13.
Product Description
MRCOOL® DIY® 5th Gen 18,000 BTU 2-Zone Mini Split System – 23.9 SEER2 – 6K + 6K – DIYM218HPW00D00
Product Overview
The MRCOOL® DIYM218HPW00D00 is a high-efficiency 18,000 BTU 2-zone ductless mini split heat pump system designed for homeowners who want reliable year-round comfort without paying expensive professional HVAC installation costs. Powered by the advanced MRCOOL® DIY® 5th Generation Multi-Zone platform , this system combines true DIY installation , smart home technology, ultra-efficient inverter performance, and quiet operation into one complete heating and cooling solution.
This bundle includes the MRCOOL® DIY-MULTI3-18HP230D-O outdoor condenser paired with two 6,000 BTU wall-mounted air handlers , making it the perfect mini split system for smaller rooms and multi-room applications. Each indoor unit is designed to efficiently heat and cool rooms up to approximately 200 square feet, making this bundle ideal for bedrooms, offices, nurseries, guest rooms, sunrooms, workshops, additions, garages, apartments, and other small living spaces.
Unlike traditional HVAC systems that require licensed contractors, vacuum pumps, refrigerant charging, and specialty installation tools, the MRCOOL® DIY® system is engineered specifically for homeowners. The included DIY® QuickConnect® pre-charged line sets arrive factory-filled with eco-friendly R-454B refrigerant , allowing for a faster and easier installation process without vacuuming or refrigerant handling.
This bundle includes two 16-foot QuickConnect® line sets, making it ideal for installations where both indoor air handlers are located relatively close to the outdoor condenser.
With industry-leading efficiency ratings up to 23.9 SEER2 and 10 HSPF2-4, this system helps reduce monthly energy bills while delivering powerful cooling in summer, reliable heating in winter, and dehumidification during humid seasons. The inverter-driven compressor continuously adjusts output based on demand for quieter operation, better comfort, and improved efficiency compared to traditional systems.
The MRCOOL® DIY® 5th Gen system also includes built-in smart home compatibility through the MRCOOL® SmartHVAC app, Amazon Alexa , and Google Assistant. Adjust temperatures, schedules, fan modes, and settings directly from your smartphone or by voice command.
This outdoor condenser supports up to 3 indoor zones total, meaning you can expand later with an additional compatible air handler if your comfort needs grow.
If you are searching for the best DIY mini split system for small rooms, home offices, bedrooms, apartments, garages, or additions, the MRCOOL® DIYM218HPW00D00 delivers professional-level comfort with true do-it-yourself installation.
What’s Included In This Bundle
Outdoor Condenser
• MRCOOL® DIY-MULTI3-18HP230D-O
• 18,000 BTU DIY® 5th Gen Multi-Zone Condenser
• Supports up to 3 indoor zones
• 208/230V
Indoor Air Handlers
• (2) MRCOOL® DIY-06-HP-WMAH-230D25-O
• 6,000 BTU Wall Mounted Air Handlers
• Up to 200 sq. ft. coverage each
Included Installation Components
• (2) 16 ft DIY® QuickConnect® Pre-Charged Line Sets
• DIYPRO® communication cable
