MRCOOL 5th Gen DIY 12K BTU Single Zone Mini-split System (115v) Applications
- Primary climate control for master suites, large living rooms, or open-concept areas (Up to 550 sq. ft.)
- Heating and cooling for medium-to-large insulated garages, workshops, and outbuildings
- Coastal and high-humidity locations requiring advanced corrosion resistance
- Sunrooms, home additions, and finished basements
- Residential retrofits where traditional ductwork is unavailable or too costly to install
Ideal for homeowners seeking a mid-size, high-efficiency heating and cooling solution that can be installed without hiring a specialized HVAC technician or electrician.
MRCOOL 5th Gen DIY 12K BTU Single Zone Mini-split System (115v) Specifications
| SKU | DIY-12-HP-WM-115D25-O (Air Handler: DIY-12-HP-WMAH-115D25-O) |
|---|---|
| Tonnage | 1.0 Ton (12,000 BTU) |
| Power Supply | 115V / 60 Hz / 1-Phase |
| Max Coverage Area | Up to 550 sq. ft. |
| Noise Level (Low / High) | 18 dBA / 43 dBA |
| Lineset Sizing | 1/4" Liquid / 3/8" Suction |
| Min Circuit Ampacity / Max Fuse | 3A / 15A |
| Number of Speeds | 5 (With Oscillation) |
| Net Dimensions (W×H×D) | 31.57" × 11.69" × 7.44" |
| Net Weight | 24.91 lbs |
| Certifications | NEEP ccASHP, Intertek, UL, ETL, Energy Star, AHRI |
| Warranty | 5-Year Base Parts / 7-Year Base Compressor |
MRCOOL 5th Gen DIY 12K BTU Single Zone Mini-split System (115v) Features & Technology
- True DIY Installation: Pre-charged setup allows for fast, tool-free installation without professional assistance.
- DIYPRO® Cable Included: Simplifies the electrical connection process by eliminating the need for traditional electrical conduit, while safeguarding the system from weather and pests.
- Gold Fin® Condenser Coating: Provides advanced corrosion resistance, extending the operational life of the unit—especially in coastal or high-humidity regions.
- Follow Me® Technology: The remote control tracks the local ambient temperature and adjusts airflow to maximize comfort right where you are sitting.
- Smart Home Integration: Out-of-the-box support for the SmartHVAC app (iOS/Android), Amazon Alexa, and Google Assistant.
- Dry Mode Functionality: Effectively manages and reduces indoor humidity levels, improving overall ambient comfort.
MRCOOL 5th Gen DIY 12K BTU Single Zone Mini-split System Maintenance
- Clean the reusable indoor air filter regularly to ensure optimal airflow and maintain the system's high energy efficiency.
- Keep the outdoor condenser free of debris, tall grass, and snow to allow for proper heat exchange.
- Periodically check the DIYPRO® cable and lineset connections to ensure they are secure and free from physical damage.
- Use the MRCOOL® Care Program and smart app diagnostics to proactively monitor system health.
Downloads & Documentation
Why Choose the MRCOOL 5th Gen DIY 12K BTU Single Zone Mini-split System (115v)
- Perfectly sized 1.0 Ton capacity quickly heats or cools rooms up to 550 sq. ft.
- Eliminates expensive professional installation costs with a fully DIY-friendly design.
- Ultra-quiet 18 dBA indoor operation ensures a peaceful environment for working or sleeping.
- Backed by an industry-leading 7-year compressor and 5-year parts warranty.
Combining simple installation, smart app controls, and dependable year-round performance, the MRCOOL® DIY® 12k BTU system is the ultimate solution for efficient, personalized home comfort.
