MRCOOL 5th Gen DIY 36K BTU Air Handler Applications
- Primary heating and cooling for large open-concept living areas, great rooms, and expansive finished basements (Up to 1,550 sq. ft.).
- High-capacity climate control for commercial spaces, massive workshops, or large outbuildings.
- Humid or coastal environments requiring the advanced corrosion resistance of the Gold Fin® condenser coating.
- Modern smart homes needing out-of-the-box integration with Alexa, Google Assistant, or smartphone apps.
MRCOOL 5th Gen DIY 36K BTU Air Handler Specifications
| SKU | DIY-36-HP-WMAH-230D25-O |
|---|---|
| UPC | 840255587068 |
| Power Supply | 208/230V / 60 Hz / 1-Phase |
| Capacity | 36,000 BTU (3.0 Ton) |
| Max Coverage Area | Up to 1,550 sq. ft. |
| Mounting Type | Wall Mount |
| Filter Type | Reusable |
| Noise Level (Low / High) | 27.5 dBA / 55.5 dBA |
| Lineset Sizing | 3/8" Liquid / 5/8" Suction |
| Net Dimensions (W×H×D) | 49.57" × 14.25" × 11.1" |
| Net Weight | 48.72 lbs |
| Certifications | NEEP ccASHP, Intertek, UL Listed, ETL Listed, AHRI Certified |
| Warranty | 5-Year Base Parts / 7-Year Base Compressor |
MRCOOL 5th Gen DIY 36K BTU 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® module fully supports Google Assistant, Amazon Alexa, and the iOS/Android SmartHVAC app.
- Follow Me® Technology: The wireless remote acts as a localized thermostat, tracking the air temperature directly around you to ensure hyper-accurate comfort.
- Dry Mode Functionality: Actively removes excess indoor humidity, vastly improving air quality and overall room comfort in large spaces.
- Multiple Operating Modes: Includes Auto Cool, Quiet Mode, Fan Only option, and 5-speed Oscillation for ultimate environmental control.
Downloads & Documentation
Why Choose the MRCOOL 5th Gen DIY 36K Air Handler
- Empowers homeowners to completely bypass expensive professional HVAC labor on massive 3.0-ton installations.
- High-capacity 36,000 BTU output easily handles the climate demands of exceptionally large residential or commercial spaces.
- Offers unmatched control from anywhere using smart apps and voice commands.
- Protected by an industry-leading 7-year compressor and 5-year parts warranty.




