MRCOOL 36,000 BTU DIY Hybrid™ Multi-Position Air Handler | R-454B - DIY-36-HP-MUAH-230D25-O
MRCOOL 36,000 BTU DIY Hybrid™ Multi-Position Air Handler | R-454B - DIY-36-HP-MUAH-230D25-O
Summary
The 36K MRCOOL® DIY Hybrid™ Air Handler offers a powerful and adaptable solution for heating and cooling areas up to 1,500 square feet. Engineered for compatibility with MRCOOL® DIY condensers, this unit is perfect for hassle-free installation without the need for professional help—making it an ideal replacement for outdated or inefficient HVAC systems. Its rugged painted galvanized steel cabinet ensures long-term durability, while the integrated self-diagnostics panel streamlines maintenance by displaying error codes for quick and accurate issue identification. This air handler supports multiple installation styles, including upflow, downflow, and horizontal left or right, allowing it to fit a wide range of home configurations with ease.
Important
Designed for DIY installation with compatible MRCOOL condensers. Registration activates extended limited lifetime warranty. Multi-position installation flexibility (upflow, downflow, horizontal). Works with DIY MZ or 36K DIY Condenser.
What's Included
- 36,000 BTU Multi-Position Air Handler (Model DIY-36-HP-MUAH-230D25-O)
- MRCOOL® Smart Wi-Fi Thermostat
- Installation Manual
- User's Manual
- Service Manual
- Manufacturer Warranty Information
Features
- Multi-position installation (upflow, downflow, horizontal left/right)
- Built-in self-diagnostics panel for easy troubleshooting
- Smart Wi-Fi Thermostat with MRCOOL app compatibility
- Painted galvanized steel construction for durability
- Optional heat kit available (5kW, 8kW, 10kW, 15kW, 20kW)
- Electronic Expansion Valve (EEV) for precise control
- AHRI Certified
- 4 fan speeds
- UL, CSA, and ETL certified
- Replaceable filter system
- R-454B environmentally conscious refrigerant
- WiFi compatibility with iOS and Android apps
- Higher capacity heating (37,000 BTU)
Technical Specifications
| SKU/Model | DIY-36-HP-MUAH-230D25-O |
| UPC | 840255588416 |
| GTIN | 00840255588416 |
| Unit Type | Split System Ducted DIY Air Handler |
| Equipment Type | Air Handler |
| Configuration | Multi-Position |
| Net Weight | 128.31 lbs |
| Gross Weight | 153.66 lbs |
| Cooling Capacity | 36,000 BTU |
| Heating Capacity | 37,000 BTU |
| Maximum Coverage Area | 1,550 sq. ft. |
| Tonnage | 3 Tons |
| Refrigerant | R-454B |
| Electrical Requirements | 208/230V 1 Phase 60 Hz |
| Max Fuse Breaker | 15A |
| Min Circuit Ampacity | 6A |
| Rated Load | 4.5 |
| Net Dimensions (HxWxD) | 49.02" x 21.02" x 21.02" |
| Gross Dimensions (HxWxD) | 52.56" x 24.41" x 26.57" |
| Line Sizes | 3/8" (liquid), 5/8" (suction) |
| Line Set Included | Yes |
| Max Line Set Length | 246 ft |
| CFM Range | 1189 / 1083 / 971.2 / 865.2 |
| Number of Speeds | 4 |
| Drain Connection Size | 3/4" |
| Color | Gray |
Performance & Acoustic Data
| Noise Level (Average) | 45 dB |
| Noise Level (Low) | 31 dB |
| Noise Level (High) | 48 dB |
| Metering Device | EEV (Electronic Expansion Valve) |
| Filter Type | Replaceable (Refer to Installation Manual for size) |
Compatibility & Control Features
| Works With | DIY MZ or 36K DIY Condenser |
| WiFi Compatibility | Yes |
| App Compatibility | Yes |
| iOS Compatible | Yes |
| Android Compatible | Yes |
| Adjustable Thermostat | Yes |
| Remote Control Included | No |
Heating Options
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | Yes |
| Auxiliary Heater Sizes | 5kW, 8kW, 10kW, 15kW, 20kW |
Certifications & Compliance
| UL Listed | Yes |
| CSA Certified | Yes |
| ETL Certified | Yes |
| Energy Star Certified | No |
| AHRI Certified | Yes |
| Restricted States | GU; PR; VI |
Warranty Information
- Extended Limited Lifetime warranty with registration*
- Base Warranty: 5 Year Parts
- Base Parts Warranty: 5 Years
Manuals & Downloads
Safety Information
PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Product Contains: Electronics, Chemicals, Compressed Gas
Smart Control Features
The MRCOOL DIY Hybrid™ Air Handler comes equipped with the MRCOOL® Smart Wi-Fi Thermostat, offering intuitive climate control through a user-friendly touchscreen or the MRCOOL® mobile app. Adjusting your home's temperature is simple and convenient, whether you're relaxing at home or managing settings remotely. The system provides precise temperature control and monitoring capabilities for your 1,550 sq. ft. space.
Installation Advantages
This high-capacity ducted air handler offers exceptional installation flexibility with multi-position capability (upflow, downflow, horizontal left or right), making it adaptable to various home layouts. The built-in self-diagnostics panel simplifies troubleshooting by quickly identifying error codes and reducing downtime. The unit is designed for easy pairing with MRCOOL® DIY condensers for a complete DIY HVAC system solution. The included line set supports extended installations up to 246 feet.
Heating Options
For enhanced comfort during colder seasons, optional electric heat kits are available in multiple sizes (5kW, 8kW, 10kW, 15kW, 20kW) to provide reliable supplemental warmth and year-round versatility. The rugged painted galvanized steel cabinet ensures long-term durability and performance in various environmental conditions. The R-454B refrigerant offers high performance with reduced environmental impact.
Environmental & Efficiency Features
This powerful 3-ton unit uses R-454B refrigerant, an environmentally conscious option that provides high efficiency performance while minimizing environmental impact. With four fan speeds and electronic expansion valve control, the system optimizes energy usage while maintaining comfort levels throughout your 1,550 sq. ft. space. The higher heating capacity (37,000 BTU) ensures reliable warmth in larger areas.
