MRCOOL
MRCOOL Signature 18,000 BTU Split System Air Handler Stud Mount
MCAEAWPEF18D21AA
18,000 BTU · 208/230V · R-454B
Part of Signature Series – Air Handlers
- Cooling capacity
- 18,000 BTU1.5 tons
- Power
- 208/230V3A breaker
- Refrigerant
- R-454B
Call for pricing Add it to your cart and send us a quote request — or call 678-467-5515.
Not sure about the size? Use the BTU sizing calculator, or call us and we'll size it with you. Professional installation by a licensed HVAC contractor is required for the manufacturer warranty.
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
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.
Documents & manuals
Specifications
| Type | Air handler (indoor unit) |
|---|---|
| Series | Signature Series |
| Cooling capacity | 18,000 BTU |
| Nominal size | 1.5 tons |
| Airflow | 685 CFM |
| Sound level | 53 dBA |
| Voltage | 208/230V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 2.5 A |
| Max. breaker (MOP) | 3 A |
| Refrigerant | R-454B |
|---|---|
| Liquid line | 3/8" |
| Suction line | 3/4" |
| Indoor unit / mounting | Stud Mount |
|---|---|
| Dimensions (in) | 20.5 W × 15 D × 36 H |
| Weight | 88 lb |
| Shipping weight | 97 lb |
| Color | Grey |
| AHRI certified | Yes |
|---|---|
| Safety listing | UL, ETL |
| Parts warranty | 10 years |
| UPC | 840255595919 |

