MRCOOL 18K BTU Mini Split Heat Pump Condenser DIY 5th Gen 3 Zone R454B DIY-MULTI3-18HP230D-O
The MRCOOL DIY 5th Generation 18,000 BTU Multi Zone Mini Split Condenser is a powerful and flexible comfort solution designed to heat and cool up to three rooms with a combined coverage of approximately 750 square feet. Built for true DIY installation, this condenser eliminates the need for professional HVAC services, helping homeowners save both time and money.
With an impressive efficiency rating of up to 23.9 SEER2 and 10 HSPF2-4, this system delivers reliable year round performance while keeping energy costs low. The condenser supports up to three indoor air handlers, allowing customized temperature control in multiple zones. Installation is simplified through pre charged Quick Connect line sets filled with environmentally friendly R 454B refrigerant. These line sets are sold separately and remove the need for vacuuming or specialized tools.
Comfort control is fully customizable using the SmartHVAC app, which allows users to manage temperatures, schedules, and operating modes directly from a mobile device. Voice control compatibility with Amazon Alexa and Google Assistant adds hands free convenience. Built for durability, the Gold Fin condenser coating provides enhanced corrosion resistance, making it suitable for coastal and high humidity environments. Backed by industry leading warranties, this condenser delivers dependable performance and peace of mind.
Key Features
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DIY Installation: Tool free, vacuum free installation with no HVAC experience required
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Multi Zone Capability: Supports up to three indoor air handlers
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High Efficiency: Up to 23.9 SEER2 and 10 HSPF2-4 ratings
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R 454B Refrigerant: Eco friendly refrigerant used in 5th Generation systems
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Quick Connect Line Sets: Pre charged for faster installation (sold separately)
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Smart Control: SmartHVAC app with Amazon Alexa and Google Assistant support
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DIYPRO Cable Compatible: Eliminates the need for electrical conduit
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Gold Fin Coating: Enhanced corrosion resistance for coastal environments
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Certified Quality: Intertek listed for tested safety and performance
MRCOOL 9K BTU OuttaSight Ceiling Cassette Air Handler Mini Split 230V R454B DIYCASSETTE09HP-230D25-O x2
The MRCOOL® DIY® Series 5th Generation OuttaSight® 9,000 BTU One-Way Ceiling Cassette delivers powerful, energy-efficient heating and cooling for spaces up to 400 square feet, while maintaining a sleek, low-profile appearance. Designed specifically for easy DIY installation, this ceiling-mounted mini split cassette eliminates the need for specialized HVAC tools, helping reduce installation time and overall cost.
Engineered for multi-zone mini split systems, this unit fits cleanly between standard 16-inch ceiling joists, including pre-manufactured I-joists, making it ideal for both new construction and retrofit applications. Unlike traditional ceiling cassettes that require bulky ductwork or dedicated wall space, the OuttaSight® cassette offers a discreet, flush-mounted solution that blends seamlessly into the ceiling.
This unit is fully compatible with the MRCOOL® DIY® Quick Connect® line set, which comes pre-charged with R-454B refrigerant, eliminating the need for vacuum pumps or professional HVAC installation. Advanced air filtration helps improve indoor air quality, while the Elevation™ filter access system allows the panel to lower for fast and convenient maintenance.
With whisper-quiet operation, multiple smart control options, and industry-leading warranty coverage, the MRCOOL® OuttaSight® 9K Ceiling Cassette provides reliable, modern comfort and year-round climate control for residential and light commercial spaces.
Product Features & Benefits
- 9,000 BTU ceiling cassette mini split for efficient heating and cooling up to 400 sq. ft.
- Designed for MRCOOL® DIY® multi-zone mini split systems
- One-way airflow design for even air distribution and enhanced comfort
- Fits between standard 16-inch ceiling joists, including engineered I-joists
- Flush-mounted ceiling cassette design for a clean, discreet appearance
- DIY-friendly installation with no specialized HVAC tools required
- Compatible with MRCOOL® DIY® Quick Connect® pre-charged line sets
- Pre-charged with eco-friendly R-454B refrigerant, no vacuuming required
- Advanced filtration system to help improve indoor air quality
- Elevation™ function lowers the panel for easy filter cleaning and maintenance
- Ultra-quiet operation ideal for bedrooms, offices, and living spaces
- Multiple control options including wireless remote, SmartHVAC app, Amazon Alexa, and Google Assistant
- Energy-efficient performance designed to reduce operating costs
- Ideal for residential, home additions, renovations, and light commercial applications
- Backed by MRCOOL® warranty coverage: limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty
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