MRCOOL 5th Gen DIY 12K BTU Multi-Zone Air Handler Applications
- Primary climate control for master bedrooms, large offices, or living spaces (Up to 550 sq. ft.).
- Multi-zone residential setups requiring an easy-to-install 12,000 BTU indoor unit.
- Coastal or high-humidity environments where Gold Fin® corrosion resistance is essential.
- Upgrades requiring out-of-the-box smart home compatibility (Alexa, Google Assistant, iOS/Android App).
MRCOOL 5th Gen DIY 12K BTU Multi-Zone Air Handler Specifications
| SKU | DIY-12-HP-WMAH-230D25-O |
|---|---|
| UPC | 840255587037 |
| Power Supply | 208/230V / 60 Hz / 1-Phase |
| Max Coverage Area | Up to 550 sq. ft. |
| Mounting Type | Wall Mount |
| Filter Type | Reusable |
| Net Dimensions (W×H×D) | 31.57" × 11.63" × 7.44" |
| Net Weight | 24.47 lbs |
| Certifications | Intertek, UL Listed, ETL Listed, AHRI Certified |
| Warranty | 5-Year Base Parts / 7-Year Base Compressor |
MRCOOL 5th Gen DIY 12K BTU Multi-Zone Air Handler Features & Technology
- True DIY Installation: Engineered for fast, simple setup without requiring a professional electrician or HVAC technician.
- DIYPRO® Cable Included: Future-proofs your investment by eliminating the need for traditional electrical conduit, while safeguarding against wildlife and weather.
- Smart Home Integration: The MRCOOL® Smart HVAC Controller® fully supports Google Assistant and Amazon Alexa out of the box, alongside the SmartHVAC app.
- Follow Me® Technology: The remote acts as a localized thermostat, tracking the air temperature directly around you to ensure maximum comfort.
- Dry Mode Functionality: Effectively manages indoor humidity levels, improving overall air quality and comfort.
- Multiple Operating Modes: Includes Auto Cool, Quiet Mode, Fan Only option, and Oscillation for ultimate environmental control.
Downloads & Documentation
Why Choose the MRCOOL 5th Gen DIY 12K Multi-Zone Air Handler
- Bypasses expensive professional installation fees with a true do-it-yourself design.
- Seamlessly integrates with existing multi-zone setups to deliver targeted 12,000 BTU heating and cooling.
- Intuitive app and voice controls make managing your home's climate effortless.
- Backed by an industry-leading 7-year compressor and 5-year parts warranty.




