Check out the new 5th Generation MRCOOL DIY Ductless Heat Pump Mini-Split Air Handler! Available in 6 flexible sizing options from 6,000 BTU to 36,000 BTU, this system is designed for an easy and hassle-free installation and delivers powerful, reliable cooling and heating without requiring professional installation or special tools.

The pre-charged 25-foot DIY QuickConnect line set, which is pre-charged with R-454B refrigerant, eliminates the need for vacuuming, making installation faster, easier, and more cost-effective. This line set is sold separately. The included DIYPRO cable removes the need for electrical conduit, offering added durability against the outdoor elements and wildlife.

Control is effortless with multiple options, including the wireless remote, the SmartHVAC app for Apple and Android devices, and hands-free voice commands via Amazon Alexa and Google Assistant. The Gold Fin Condenser provides superior corrosion resistance for coastal homes, ensuring long-lasting performance in harsh conditions. Designed for both comfort and efficiency, the system's wireless remote features the innovative Follow Me function, which allows the air handler to adjust airflow temperature based on the remote's location, maintaining consistent comfort throughout the room. Additionally, Dry Mode helps reduce humidity by acting as a dehumidifier, removing excess condensation.

Backed by an industry-leading warranty - including a limited lifetime warranty, a 7-year compressor warranty, and a 5-year parts warranty - the 5th Generation MRCOOL DIY Ductless Heat Pump Mini-Split Air Handler is built for lasting reliability. Enjoy advanced technology, simple installation, and year-round comfort with confidence.

Available Sizes

• 6,000 BTU - Ideal for spaces up to 200 sq ft (bedrooms, small offices, individual rooms)
• 9,000 BTU - Perfect for spaces up to 400 sq ft (living rooms, open kitchens, larger bedrooms)
• 12,000 BTU - Covers spaces up to 550 sq ft (master bedrooms, home offices, medium rooms)
• 18,000 BTU - Suitable for spaces up to 800 sq ft (large living areas, open-concept spaces)
• 24,000 BTU - Handles spaces up to 1,050 sq ft (whole room zones, larger multi-room areas)
• 36,000 BTU - Covers spaces up to 1,500 sq ft (expansive rooms, high-capacity zones)

Ideal For:

• Homeowners avoiding professional installation costs - DIY installation eliminates expensive service calls while delivering professional-grade cooling and heating performance.
• Tech-savvy DIY enthusiasts - No special tools, no vacuuming, no complicated procedures—just straightforward connection and activation designed for anyone.
• Property owners in coastal and humid climates - Gold Fin corrosion-resistant coating protects equipment while delivering reliable year-round comfort in challenging environments.
• Smart home automation seekers - Wi-Fi connectivity enables voice control via Alexa and Google Assistant, plus mobile app management for complete smart home integration.

Why DIY Homeowners Choose MRCOOL 5th Gen Multi-Zone Air Handler 230V

• Professional Performance at DIY Prices - Up to 23.9 SEER2 efficiency delivers exceptional energy savings without the expensive professional installation markup.
• Truly Simple Installation - No special tools, no refrigerant vacuuming, no certifications required—pre-charged QuickConnect lines make setup fast and foolproof.
• Flexible Sizing for Any Space - Choose from 6 capacity options (6K to 36K BTU) covering 200 to 1,500 sq ft—scale comfort to match your exact needs.
• Eco-Friendly Smart Technology - R454B refrigerant reduces environmental impact while Wi-Fi control provides convenient remote management and voice integration.
• Lifetime Reliability Assurance - Limited Lifetime warranty plus 7-year compressor protection deliver 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
• Eco-Friendly R454B Refrigerant - Low Global Warming Potential with reduced greenhouse gas emissions
• Gold Fin Corrosion Resistance - Protection against coastal salt air and high-humidity environments
• SmartHVAC Wi-Fi Certified - Compatible with Amazon Alexa and Google Assistant voice control ecosystems
• Limited Lifetime Warranty - Comprehensive coverage for peace of mind and long-term reliability
• 7-Year Compressor Limited Warranty - Extended protection on the core heating and cooling component
• 5-Year Parts Limited Warranty - Coverage on air handler 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