MRCOOL DIY 5th Gen 1 Ton 12K BTU 23.5 SEER2 R-454B Complete Bundle Wall Mount Mini-Split 115V DIY-12-HP-WM-115D25-O

The MRCOOL® DIY® 5th Generation 12K BTU 23.5 SEER2 R-454B Complete Bundle includes everything needed for a complete single-zone ductless mini-split installation:

• MRCOOL DIY 5th Gen 12K BTU 115V Mini-Split Condenser (DIY-12-HP-C-115D25-O)
• MRCOOL DIY 5th Gen 12K BTU 115V Wall Mount Air Handler (DIY-12-HP-WMAH-115D25-O)
• MRCOOL DIY 5th Gen 25ft 1/4 x 3/8 R-454B Quick Connect® Line Set w/ DIYPRO® Cable (DIY25-1438C-O)
• Wireless Remote Control

Condenser

Installing your own HVAC system might sound overwhelming, but the 5th Generation MRCOOL® DIY® 12k BTU 23.5 SEER Ductless Heat Pump Single Zone Mini Split Condenser makes it simple and achievable. Designed specifically for easy installation, this system can efficiently heat or cool areas between 350 and 500 square feet—no professional tools or HVAC experience required.

Thanks to the 25-foot pre-charged Quick Connect® line set filled with R-454B refrigerant, setup is straightforward and doesn't require vacuuming. It's a cost-saving, do-it-yourself solution engineered for safety and simplicity.

You can control this system through the included wireless remote, the MRCOOL SmartHVAC app on Apple or Android, or with hands-free voice commands using Amazon Alexa or Google Assistant. The Follow Me® feature uses the remote's built-in sensor to monitor the temperature around you, continuously adjusting the system to keep you perfectly comfortable.

The included DIYPRO® cable eliminates the need for traditional electrical conduit and provides enhanced protection against weather and wildlife. DC Inverter variable-speed technology ensures ultra-efficient, quiet operation while R-454B refrigerant significantly lowers the system's environmental footprint.

Air Handler

Transform your space with the 5th Generation MRCOOL® DIY® 12k BTU Ductless Heat Pump Single Zone Mini-Split Air Handler—engineered for easy, tool-free installation and powerful, efficient performance. Perfect for areas up to 550 sq. ft., this system delivers reliable heating and cooling without the need for professional help or specialized skills.

Included with the system is the innovative DIYPRO® cable, which boosts protection and simplifies the installation process by eliminating the need for traditional electrical conduit. It provides added durability and safeguards your system from outdoor elements and wildlife.

Control your climate your way: use the included wireless remote, the MRCOOL SmartHVAC app on Apple or Android, or ask Amazon Alexa or Google Assistant to handle it hands-free. The Follow Me® function tracks the ambient temperature near the remote to keep you comfortable at all times.

Featuring DC Inverter variable-speed technology and R-454B refrigerant, the 5th Generation DIY® air handler delivers efficient, quiet, and environmentally responsible performance year-round.

Key Features

• NEEP ccASHP Listed
• Intertek listed 5031495
• Easy DIY installation
• Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit.
• Keep the included remote close by, and MRCOOL DIY®'s Follow Me® function will track the air temperature around you to ensure maximum comfort.
• Connect to your system remotely from anywhere with WiFi connectivity and the MRCOOL Smart HVAC app
• Control your system with voice commands through compatibility with Amazon Alexa and Google Home
• MRCOOL® DIY® Quick Connect® pre-charged line set included — no vacuum pump or refrigerant handling required
• R-454B refrigerant — next-generation low-GWP refrigerant
• DC Inverter variable-speed compressor for precise, efficient temperature control

Technical Specifications

Certifications

• UL Listed
• ETL Listed — Intertek 5031495
• Energy Star Certified
• AHRI Certified
• NEEP ccASHP Listed

Warranty

• 5 Year Parts Warranty
• 7 Year Compressor Warranty

Product Documentation

• MRCOOL DIY 5th Gen 12K BTU Complete Bundle AHRI Certification (PDF)
• MRCOOL DIY 5th Gen 12K BTU Complete Bundle Energy Guide (PDF)
• MRCOOL DIY 5th Gen Installation Manual (PDF)
• MRCOOL DIY 5th Gen Warranty Document (PDF)
• MRCOOL DIY 5th Gen Brochure (PDF)

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.