MRCOOL DIY 12,000 BTU 5th Gen Ductless Mini Split Heat Pump Condenser - Energy Star, 115V (DIY-12-HP-C-115D25-O)

Stop waiting for HVAC contractors and paying premium installation fees for medium-sized spaces. The MRCOOL DIY 5th Gen 12,000 BTU Condenser delivers professional-grade outdoor performance for areas between 350-500 sq. ft., engineered specifically for DIY installation without special tools, vacuum pumps, or refrigerant certification. This Energy Star certified outdoor unit comes pre-charged with eco-friendly R-454B refrigerant. With a pre-charged 25-foot QuickConnect line set filled with R-454B refrigerant, setup is simple and eliminates the need for vacuuming

The included DIYPRO cable enhances durability, replacing traditional electrical conduit to protect against weather, animals, and yardwork damage. Controlling your comfort is seamless with multiple options, including the included remote, the SmartHVAC app for Apple and Android devices, or hands-free commands via Amazon Alexa and Google Assistant. Additionally, the Gold Fin Condenser provides exceptional corrosion resistance, making it a great choice for coastal environments. Equipped with a variety of features, this system enhances efficiency and comfort. The Timer function helps manage energy use, while Auto mode maintains your desired temperature without constant adjustments. After a power outage, the system automatically resumes previous settings, and the anti-mildew function reduces condensation buildup in the air handler.

Built for longevity, the 5th Generation MRCOOL DIY Mini Split offers an industry-leading warranty, including a limited lifetime warranty, plus a 7-year compressor and 5-year parts warranty. Combining advanced technology, user-friendly operation, and long-term reliability, this system is designed for hassle-free home comfort. Whether you're adding climate control to a master bedroom, large home office, retail space, restaurant dining area, or rental property, this condenser gives you the power to handle bigger spaces without the professional installation headaches.

Best For:

• Homeowners with medium-sized rooms - Efficient year-round heating and cooling for master bedrooms, large home offices, bonus rooms, garages, and converted spaces between 350-500 sq. ft. without professional installation costs.
• Property owners and landlords - Perfect for larger rental units, vacation properties, condominiums, and apartment upgrades where increased BTU capacity handles bigger spaces while maintaining DIY installation simplicity.
• Small business owners - Ideal for retail stores, professional offices, salons, studios, and commercial spaces up to 500 sq. ft. where 12K BTU capacity delivers reliable climate control for customers and employees.
• Restaurant and hospitality operators - Handles larger dining rooms, banquet spaces, guest suites, and kitchen areas requiring robust heating and cooling capacity without traditional HVAC installation disruption.
• Energy-conscious facility managers - Energy Star certification reduces operational costs while 12,000 BTU capacity efficiently manages medium-sized spaces that smaller units struggle to maintain.
• DIY enthusiasts upgrading from smaller systems - Step up to 12K BTU capacity while maintaining the same DIY-friendly installation process—no HVAC license or specialized equipment required.

Why Customers Choose the MRCOOL DIY 12K BTU Condenser

• 12,000 BTU Capacity for Bigger Spaces - Efficiently handles 350-500 sq. ft. areas that 9K systems struggle with, providing consistent comfort in master bedrooms, large offices, and commercial spaces.
• True DIY Installation - Pre-charged QuickConnect line set eliminates vacuum pumps, refrigerant certification, and HVAC professionals—complete setup in one afternoon with standard tools.
• Gold Fin Corrosion Protection - Advanced anti-corrosion coating extends outdoor unit lifespan by years in coastal, high-humidity, and harsh environments where salt air and moisture rapidly deteriorate standard condensers.
• Eco-Friendly R-454B Refrigerant - Low Global Warming Potential refrigerant reduces environmental impact by 78% compared to R-410A while future-proofing against regulatory phase-outs.
• Energy Star Efficiency - 23.5 SEER rating minimizes energy waste, reduces monthly utility bills, and qualifies for rebates and tax incentives.
• DIYPRO Cable Simplifies Installation - Weather-resistant armored cable eliminates conduit requirements while protecting against outdoor elements, wildlife damage, and lawn equipment impacts.
• Industry-Leading Warranty Protection - Limited lifetime warranty backed by 7-year compressor and 5-year parts coverage demonstrates MRCOOL's engineering confidence and protects your investment.

Certifications & Safety Features

• 23.5 SEER Energy Rating - Superior seasonal energy efficiency for significant utility savings and rebate eligibility across most utility programs.
• Energy Star Certified - Meets rigorous EPA energy efficiency standards for reduced environmental impact and lower operational costs year-round.
• Intertek Listed (5031495) - Third-party certified for compliance with electrical safety, performance standards, and energy efficiency requirements.
• Limited Lifetime Warranty - Coverage on select components demonstrates manufacturer confidence and long-term investment protection.
• 7-Year Compressor Warranty - Extended protection on the core heating and cooling component for maximum peace of mind.
• 5-Year Parts Warranty - Comprehensive coverage on system components protects against unexpected repair expenses.