MRCOOL® 12k DIY 5th Generation Mini-split Air Handler & Condenser 115v

MRCOOL® 12k DIY 5th Generation Mini-split Air Handler & Condenser 115v.

What this system is

• DIY-12-HP-C-115D25-O — MRCOOL® 12k DIY 5th Generation Mini-Split Condenser 115v
• DIY-12-HP-WMAH-115D25-O — MRCOOL® 12k DIY 5th Generation Mini-split Air Handler 115v

Outdoor condenser — DIY-12-HP-C-115D25-O

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 the system in multiple ways: use the included remote, the SmartHVAC app on iOS or Android, or voice commands via Amazon Alexa and Google Assistant. The built-in Follow Me® feature detects the temperature near the remote, adjusting output to match your location. For coastal homes, the Gold Fin® condenser coating provides rust-resistant protection, ensuring the system performs well over time.

Comfort and energy savings are built in, with modes like Auto, Sleep, and Timer, plus auto-restart after power outages. Once installed, you'll enjoy a full suite of smart and efficient features.

This model also comes with a base warranty that includes 7-year compressor/5-year parts coverage, along with eligibility for the MRCOOL® Care Program. With its advanced tech and user-friendly design, this unit offers both flexibility and long-term peace of mind.

• 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.
• The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.

Indoor unit — DIY-12-HP-WMAH-115D25-O

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 potential damage caused by animals or weather.

Stay in control with multiple user-friendly options. Use the included wireless remote, control your system through the SmartHVAC app available on iOS and Android devices, or operate it hands-free using Amazon Alexa or Google Assistant. The Gold Fin® condenser coating offers advanced corrosion resistance, making this system ideal for coastal and high-humidity locations.

Built for personalized comfort, the air handler features Follow Me® technology, which senses the temperature around the remote and adjusts the airflow accordingly. Dry Mode helps manage indoor humidity levels, reducing excess moisture and improving overall comfort in your space.

This system is also backed by one of the strongest warranties in the industry—a 7-year compressor warranty and a 5-year parts warranty. This system is also eligible for the MRCOOL® Care Program.

Combining simple installation, smart controls, and dependable year-round performance, the 5th Generation MRCOOL® DIY® 12k BTU Air Handler is the ultimate solution for efficient, personalized home comfort.

• 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.
• The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.

Documents

• Specification sheet (DIY-12-HP-C-115D25-O) (PDF)
• Installation manual (DIY-12-HP-C-115D25-O) (PDF)
• Owner's manual (DIY-12-HP-C-115D25-O) (PDF)
• Service manual (DIY-12-HP-C-115D25-O) (PDF)
• Remote manual (DIY-12-HP-C-115D25-O) (PDF)
• Brochure (DIY-12-HP-C-115D25-O) (PDF)
• Warranty (DIY-12-HP-C-115D25-O) (PDF)
• AHRI certificate (DIY-12-HP-C-115D25-O) (PDF)
• EnergyGuide label (DIY-12-HP-C-115D25-O) (PDF)

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.