Mrcool DIY 4th Gen 12K BTU-1 Ton-22 SEER-Ductless Mini-Split Heat Pump Complete System

The MRCOOL DIY® 4th Gen 12,000 BTU Ductless Mini-Split Heat Pump System is a state-of-the-art, energy-efficient solution designed for homeowners seeking powerful, year-round comfort without the need for professional installation. With an impressive 22 SEER rating, this system maximizes energy savings while providing optimal climate control for spaces ranging from 375 to 550 sq. ft.

Equipped with SmartHVAC technology, a whisper-quiet operation, and R-410A refrigerant, this system delivers superior heating and cooling performance with eco-friendly efficiency. The pre-charged 25-ft QuickConnect® line set allows for seamless DIY installation, eliminating the need for vacuum pumps, special tools, or professional HVAC assistance.

Key Features & Benefits

Effortless DIY Installation – No HVAC Technician Required

The MRCOOL DIY® 4th Gen Mini-Split is built for homeowners looking for an easy, cost-effective way to heat and cool their space.

• Pre-Charged 25-ft. QuickConnect® Line Set – No refrigerant handling, vacuuming, or specialized tools required.
• Step-by-Step DIY Installation Guide – User-friendly instructions and video support ensure a smooth setup.
• Single-Zone Coverage – Perfect for bedrooms, home offices, small living rooms, and workshops.

Powerful & Energy-Efficient Performance

This system offers maximum efficiency and cost savings with its 22 SEER rating and variable-speed DC inverter technology.

• 12,000 BTU Cooling Capacity – Effectively cools spaces up to 550 sq. ft.
• 12,000 BTU Heating Capacity – Provides reliable warmth even in extreme cold temperatures.
• Wide Temperature Range – Operates efficiently in outdoor temperatures as low as -13°F, making it ideal for year-round use.
• Low Energy Consumption – Reduces electricity bills while delivering consistent climate control.

Smart Home Integration & Advanced Controls

Manage your home’s climate with multiple control options, allowing for ultimate convenience and flexibility.

• SmartHVAC App (iOS & Android) – Control temperature, fan speed, and modes remotely from anywhere.
• Amazon Alexa & Google Assistant Compatible – Adjust settings hands-free with voice commands.
• Wireless Remote Control – Easily fine-tune climate settings from across the room.
• Programmable Timer & Sleep Mode – Set schedules for automated energy savings and night-time comfort.

Ultra-Quiet Operation for a Peaceful Environment

Designed for minimal noise, the MRCOOL DIY® 4th Gen Mini-Split ensures a comfortable climate without disruptive sound levels.

• Quiet Mode (Low Setting at 23.5 dB) – Perfect for bedrooms, offices, and nurseries.
• High-Efficiency Fan – Multi-directional air control ensures even distribution of airflow.

Durable, Corrosion-Resistant Design

Built for long-lasting performance, the MRCOOL DIY® system is designed to withstand various climates and harsh weather conditions.

• Gold Fin® Corrosion-Resistant Coating – Protects against rust and wear, making it ideal for coastal areas.
• Wall-Mounted Indoor Unit – Compact and modern design blends into any home setting.

Industry-Leading Warranty for Peace of Mind

MRCOOL stands behind its DIY 4th Gen Mini-Split System with an extensive warranty, ensuring long-term reliability and performance.

• 5-Year Parts Warranty – Protects against manufacturer defects.
• 7-Year Compressor Warranty – Ensures long-term efficiency and durability.
• Backed by Expert U.S. Support – Get help with installation, troubleshooting, and technical questions.

Why Buy from an Authorized MRCOOL Dealer?

Purchasing from a trusted MRCOOL dealer ensures you receive genuine, high-quality products with expert support and fast shipping.

• 100% Authentic MRCOOL Products – No third-party resellers or counterfeit parts.
• Expert DIY Support – Assistance with installation, troubleshooting, and system selection.
• Fast & Secure Nationwide Shipping – Orders are processed quickly for reliable delivery.
• Factory-Direct Pricing – Get the best deals on official MRCOOL systems and accessories.

Final Words

The MRCOOL DIY® 4th Gen 12,000 BTU Ductless Mini-Split Heat Pump System is the perfect heating and cooling solution for small to medium-sized rooms, offering high efficiency, easy installation, and smart climate control.

Whether you're looking to upgrade a home office, bedroom, or small living area, this system delivers reliable performance while reducing energy costs. With pre-charged QuickConnect® installation, Wi-Fi-enabled controls, and an industry-leading warranty, the MRCOOL DIY® 4th Gen Mini-Split is an ideal choice for homeowners seeking a powerful yet simple climate solution.