MRCOOL Signature Series 18K BTU Stud Mount Air Handler | MCAEAWPEF18D21AA
MRCOOL Signature Series 18K BTU Stud Mount Air Handler | MCAEAWPEF18D21AA
Summary
Enhance your HVAC setup with the MRCOOL® Signature Series 18K Stud Mount Air Handler—designed for exceptional versatility, efficiency, and simplified installation. Built to fit between standard wall studs, this compact and space-saving unit is ideal for areas where traditional air handlers can't be installed, offering flexible solutions for a variety of applications. Though slim in design, this air handler delivers robust heating and cooling performance when matched with a compatible heat pump or condenser. It offers both front and bottom return air configurations, allowing you to tailor the setup to your specific space and airflow needs. Constructed with a durable galvanized steel cabinet and featuring advanced blower technology, the MRCOOL® Signature Series 18k Stud Mount Air Handler ensures quiet operation and long-lasting reliability. Full cabinet insulation helps reduce condensation and energy loss, while the high-efficiency ECM motor provides consistent airflow and improved energy savings throughout your home. A built-in filter rack allows for quick and easy filter changes, and optional electric heat kits are available to boost performance during colder months. Backed by a 10-year limited parts warranty, this unit delivers peace of mind along with performance. Whether you're remodeling, upgrading, or building new, the MRCOOL® Signature Series 18k Stud Mount Air Handler is a dependable, space-conscious solution built for comfort and convenience.
Important
AHRI certified - meets industry standards. Register your product to activate warranty coverage. This air handler is designed for R-454B refrigerant and must be paired with compatible R-454B condensers or heat pumps. Professional installation is required to ensure proper operation and warranty validation.
Key Features
- 18,000 BTU capacity (1.5 Ton)
- Stud mount design fits between standard wall studs
- Space-saving compact cabinet
- Front and bottom return air configurations
- High-efficiency ECM blower motor
- Quiet operation (53 dBA)
- Designed for R-454B refrigerant systems
- Durable galvanized steel construction
- Full cabinet insulation
- Built-in filter rack for easy maintenance
- Optional electric heat kits available
- AHRI certified
- 685 CFM airflow
Complete Technical Specifications
| Brand | MRCOOL |
| Series | Signature Series Stud Mount Air Handler |
| Model | MCAEAWPEF18D21AA |
| UPC | 840255595919 |
| GTIN | 00840255595919 |
| Unit Type | Air Handler |
| Configuration | Stud Mount |
| Certifications | UL Listed, CSA Listed, ETL Listed, AHRI Certified |
| Capacity | 18,000 BTU (1.5 Ton) |
| Electrical | 208/230V 1 Phase 60 Hz |
| Min Circuit Ampacity | 2.5A |
| Max Fuse Breaker | 3A |
| Blower Motor Type | ECM |
| Blower Motor HP | 1/3 |
| Blower Motor Speeds | 5 |
| Blower Motor RPM | 960 |
| CFM | 685 |
| Sound Rating | 53 dBA |
| Refrigerant Type | R-454B |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Drain Connection Size | 3/4" |
| Air Flow Direction | Upflow |
| Filter Type | Replaceable |
| Filter Size | 15" x 19" x 1" |
| Metering Device | Orifice |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | Yes (5kW, 7.5kW, 10kW) |
| Net Dimensions (HxWxD) | 36" x 20.5" x 15" |
| Net Weight | 88 lbs |
| Shipping Dimensions | 39.375" x 23.22" x 18.11" |
| Shipping Weight | 97 lbs |
Performance Features
| Compatible Equipment | Signature Series Top Discharge Condensers |
| Mounting Configuration | Stud mount design for space-saving installation |
| Airflow Options | Front and bottom return air configurations |
| Motor Technology | High-efficiency ECM motor for energy savings |
| Noise Reduction | Quiet operation at 53 dBA |
| Construction | Durable galvanized steel cabinet with full insulation |
| Heating Options | Optional electric heat kits available (5kW, 7.5kW, 10kW) |
| Maintenance | Built-in filter rack for easy filter changes |
Warranty Information
- Registered Warranty: 10 years parts, limited lifetime compressor
- Base Warranty: 10 years parts, limited lifetime compressor
- Registration may be required for full warranty coverage
Manuals & Certifications
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.
Advanced Technology
The MRCOOL Signature Series 18K Stud Mount Air Handler features advanced ECM motor technology that provides consistent airflow while improving energy efficiency. The high-efficiency blower motor offers five-speed operation with 960 RPM capability, ensuring optimal performance across various system configurations. The durable galvanized steel construction combined with full cabinet insulation reduces energy loss and prevents condensation. Designed specifically for R-454B refrigerant systems, this air handler delivers reliable performance when paired with compatible condensers. With its ultra-quiet 53 dBA operation and space-saving stud mount design, this unit provides an ideal solution for residential applications where space is limited but performance cannot be compromised.
Installation Advantages
This 1.5-ton air handler simplifies installation with its unique stud mount design that fits between standard wall studs, making it perfect for retrofits, remodels, and new construction where space is limited. The compact cabinet measures just 15 inches deep, allowing for installation in tight spaces where traditional air handlers won't fit. The unit offers both front and bottom return air configurations, providing flexibility for various installation scenarios. The built-in filter rack accommodates standard 15x19x1 filters for easy maintenance. Optional electric heat kits (5kW, 7.5kW, 10kW) are available to enhance heating performance during colder months. With its accessible service panels and straightforward connections, the MRCOOL Signature Series Stud Mount Air Handler offers a practical and efficient solution for challenging installation environments.
