48,000 BTU MRCOOL 5th Gen DIY 21.8 SEER2 Dual Zone Wall Mount Mini Split Heat Pump System – R454B | 230V - 18 + 36

MRCOOL 18k DIY 5th Generation Mini-Split Air Handler 230V

The MRCOOL DIY 18k BTU 5th Generation Air Handler is part of an advanced ductless mini-split system that delivers powerful and energy-efficient climate control for any space. Designed for easy installation by homeowners, this unit combines performance, convenience, and smart features to redefine home comfort.

This 230V air handler is compatible with MRCOOL DIY Quick Connect line sets, allowing for fast, tool-free installation without the need for specialized HVAC skills or certifications. With its sleek, modern design and enhanced technology, it’s ideal for spaces up to 750 square feet.

Key Features

• DIY Quick Connect Installation
• 18,000 BTU Capacity: Effectively heats and cools medium to large rooms with consistent comfort and efficiency.
• Smart HVAC Features: Includes compatibility with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant for convenient voice or app control.
• Auto Restart & Leakage Detection: Automatically restarts after power outages and alerts for refrigerant leaks to protect your system.
• Low Ambient Cooling: Operates efficiently in cooling mode down to 5°F outdoor temperatures, making it suitable year-round.
• Quiet Operation: Minimizes indoor noise levels for a more comfortable and peaceful environment.
• Sleep Mode & Timer Function: Improves nighttime comfort and allows programmable operation tailored to your schedule.

Technical Highlights

• Model: DIY-18-HP-WMAH-230D25-O
• Power Supply: 208/230V, 60Hz, 1 Phase
• Air Flow (H/M/L): 706/618/530 CFM
• Sound Levels (H/M/L): 47/43/38 dB(A)
• Mounting Type: Wall Mounted
• Coverage Area: Up to 750 sq. ft.

With the MRCOOL DIY 5th Gen 18k Air Handler, homeowners can enjoy professional-grade performance and high-efficiency comfort without the cost and complexity of traditional installation. This unit is an ideal upgrade for those looking to enhance their space with reliable, smart, and user-friendly climate control.

MRCOOL 36k DIY 5th Generation Mini-Split Air Handler 230V

The MRCOOL DIY 36k BTU 5th Generation Mini-Split Air Handler offers exceptional climate control for large spaces, combining powerful performance with simple, DIY-friendly installation. Engineered for spaces up to 1,500 square feet, this 230V unit provides energy-efficient heating and cooling year-round.

Using MRCOOL’s revolutionary DIY Quick Connect pre-charged lineset, this system eliminates the need for special tools or HVAC certifications. Alongside smart functionality and whisper-quiet operation, the DIY-36-HP-WMAH-230D25-O brings professional-grade comfort directly to your home.

Key Features

• DIY Quick Connect Installation: Pre-charged line sets allow fast and easy installation without professional tools or vacuuming.
• 36,000 BTU Capacity: Effectively conditions large areas up to 1,500 sq. ft. with efficient, reliable climate control.
• Smart HVAC Control: Compatible with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant for remote operation and voice control.
• Leakage Detection: Detects refrigerant leaks to help prevent damage and ensure safety.
• Auto Restart Function: Automatically restores previous settings after a power outage for uninterrupted comfort.
• Low Ambient Cooling: Cools efficiently even when outdoor temperatures drop to 5°F.
• Quiet Operation: Delivers high-performance heating and cooling with low noise output for a peaceful indoor environment.
• Customizable Timer and Sleep Mode: Enhances comfort while maximizing energy savings overnight or during low-use hours.

Technical Highlights

• Model: DIY-36-HP-WMAH-230D25-O
• Power Supply: 208/230V, 60Hz, 1 Phase
• Air Flow (H/M/L): 1,176 / 1,059 / 941 CFM
• Sound Levels (H/M/L): 53 / 49 / 45 dB(A)
• Mounting Type: Wall Mounted
• Coverage Area: Up to 1,500 sq. ft.

The MRCOOL DIY 5th Gen 36k Air Handler is the ultimate solution for large-scale residential comfort. With smart controls, superior performance, and true DIY capability, it’s an ideal choice for those looking to take full control of their indoor climate with ease.

MRCOOL 48k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v

The MRCOOL® DIY-MULTI6-48HP230D-O is the most powerful model in the 5th Generation DIY® Multi-Zone series, delivering high-capacity climate control for up to six individual zones. With 48,000 BTUs of heating and cooling performance, this unit is engineered for large homes and spaces needing efficient, customized comfort without the hassle of professional installation.

Key Features

• 6-Zone Capability: Supports up to six indoor air handlers of various BTU capacities for tailored temperature control across multiple rooms or zones.
• Energy Efficiency: High SEER2 and HSPF2 ratings ensure long-term energy savings and reduced operational costs.
• Smart Control: Wi-Fi enabled and compatible with the SmartHVAC app, Amazon Alexa, and Google Assistant for remote access and voice control.
• Weather Resistant: Features a corrosion-resistant Gold Fin coating to withstand harsh outdoor elements and promote durability.

Performance Specifications

• Model: DIY-MULTI6-48HP230D-O
• Power Supply: 208/230V, 60Hz, 1Ph
• Cooling Capacity: 48,000 BTU
• Heating Capacity: 48,000 BTU
• SEER2: Up to 20.5
• HSPF2: Up to 8.5

Additional Features

• Low Ambient Operation: Provides cooling down to 5°F and heating down to -13°F outdoor temperatures
• Auto Restart: Automatically resumes operation after a power interruption
• Quiet Operation: Designed for minimal noise output to enhance indoor comfort
• Multiple Fan Settings: Allows for adjustable airflow and personalized comfort in every zone

The MRCOOL 48k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser is a premium solution for large-scale residential climate control. With robust performance, smart technology, and the convenience of DIY installation, it’s the perfect choice for those looking to upgrade comfort across multiple zones without professional costs or complexity.

DIY16-1412-O 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor - R454B

The MRCOOL DIY16-1412-O is a 16-foot pre-charged lineset designed for MRCOOL® DIY 9K, 12K, and 18K indoor units using R-454B refrigerant. This lineset offers an easy-to-install, reliable solution that eliminates the need for vacuum pumps or refrigerant charging.

Featuring Quick Connect fittings, it allows for quick, tool-free connections between indoor and outdoor units. The durable insulation and corrosion-resistant copper tubing provide excellent thermal performance and long-lasting durability.

Key Features:

• Length: 16 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 1/2 inch suction line
• Refrigerant: Pre-charged with eco-friendly R-454B refrigerant
• Compatibility: Compatible with MRCOOL DIY 9K, 12K, and 18K indoor units
• Connection Type: Quick Connect fittings for tool-free installation
• Insulation: High-quality insulation to prevent condensation and improve energy efficiency
• Durability: Built with corrosion-resistant materials for extended service life

This lineset is an ideal choice for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, providing an efficient and hassle-free installation.

DIY25-1412-O 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor - R454B

The MRCOOL® DIY25-1412-O is a 25-foot pre-charged lineset designed for MRCOOL DIY 9K, 12K, and 18K indoor units using R-454B refrigerant. This lineset offers a convenient and reliable solution that eliminates the need for vacuum pumps or refrigerant charging during installation.

Featuring Quick Connect fittings, it enables quick, tool-free connections between indoor and outdoor units. The durable insulation and corrosion-resistant copper tubing ensure optimal thermal efficiency and long-lasting performance.

Key Features:

• Length: 25 feet of pre-charged copper tubing
• Line Sizes: 1/4 inch liquid line and 1/2 inch suction line
• Refrigerant: Pre-charged with eco-friendly R-454B refrigerant
• Compatibility: Compatible with MRCOOL DIY 9K, 12K, and 18K indoor units
• Connection Type: Quick Connect fittings for easy installation
• Insulation: High-quality insulation to prevent condensation and improve energy efficiency
• Durability: Built with corrosion-resistant materials for extended lifespan

This lineset is an excellent choice for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, providing hassle-free installation and dependable operation.