MRCOOL Signature Series 2 Ton Multi-Position Air Handler | MCAEAMPSF24C21AA
MRCOOL Signature Series 2 Ton Multi-Position Air Handler | MCAEAMPSF24C21AA
Summary
The MRCOOL® Signature Series 24k Multi-Position Air Handler is built for reliable, year-round performance and is now enhanced with R-454B refrigerant for improved energy efficiency and reduced environmental impact. Designed for versatility, it can be installed in upflow, downflow, or horizontal configurations, making it ideal for tight spaces like closets, attics, or crawl spaces. Its slim, compact design allows for seamless integration in space-constrained areas, while still delivering full-capacity heating and cooling when paired with a compatible heat pump or condenser. The galvanized steel cabinet ensures durability. Inside, copper "A" coils with enhanced aluminum fins offer excellent heat transfer and humidity control, while thermal insulation minimizes energy loss and reduces condensation. This translates to lower utility bills and more effective indoor comfort. Installation is quick and straightforward, helping reduce labor time and costs. An air filter rack makes change-outs a breeze, and an optional electric heat kit extends heating performance in colder climates. The system is smart home compatible, working with most third-party thermostats to give homeowners flexible control without locking them into a proprietary platform. Backed by a 10-year limited parts warranty, the MRCOOL® Signature Series 24k Multi-Position Air Handler offers peace of mind along with powerful performance. With its durable build, energy-saving features, and flexible installation options, this air handler is the ideal solution for dependable, efficient home comfort.
Important
AHRI certified - meets industry standards. Register your product to activate warranty coverage. This air handler contains R-454B refrigerant, which is classified as an A2L refrigerant. To comply with safety standards, this unit must be paired with an R-454B condenser equipped with a leakage detection system. Failure to comply with these requirements may result in safety hazards and could void the warranty.
Key Features
- 24,000 BTU capacity (2 Ton)
- Multi-position installation (upflow, downflow, horizontal)
- Eco-friendly R-454B refrigerant
- Compact design for tight spaces
- Quiet operation (53 dBA)
- Durable galvanized steel cabinet
- Copper "A" coils with enhanced aluminum fins
- Built-in air filter rack
- Compatible with most third-party thermostats
- Optional electric heat kit available
- Internal thermal insulation
- AHRI certified
- PSC blower motor with 3 speeds
Complete Technical Specifications
| Brand | MRCOOL |
| Series | Signature Series Multi-Position Air Handler |
| Model | MCAEAMPSF24C21AA |
| UPC | 840255595858 |
| GTIN | 00840255595858 |
| Unit Type | Air Handler |
| Configuration | Multi-Position |
| Certifications | UL Listed, CSA Listed, ETL Listed, AHRI Certified |
| Capacity | 24,000 BTU (2 Ton) |
| CFM | 761 |
| Refrigerant | R-454B |
| Electrical | 208/230V 1 Phase 60 Hz |
| Min Circuit Ampacity | 2.4A |
| Max Fuse Breaker | 3A |
| Blower Motor Type | PSC |
| Blower Motor HP | 1/3 |
| Blower Motor Speeds | 3 |
| Blower Motor RPM | 910 |
| Sound Rating | 53 dBA |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Drain Connection Size | 3/4" |
| Filter Type | Replaceable |
| Filter Size | 18" x 21" x 1" |
| Metering Device | Orifice |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | Yes (5kW, 7.5kW, 10kW) |
| Net Dimensions (HxWxD) | 45.75" x 19.625" x 22" |
| Net Weight | 128 lbs |
| Shipping Dimensions | 47.625" x 22.83" x 25.6" |
| Shipping Weight | 141 lbs |
Performance Features
| Compatible Equipment | Signature Series Top Discharge Condensers |
| Installation Flexibility | Multi-position (upflow, downflow, horizontal) |
| Refrigerant | Eco-friendly R-454B with lower global warming potential |
| Noise Reduction | Quiet operation (53 dBA) |
| Coil Technology | Copper "A" coils with enhanced aluminum fins |
| Cabinet Construction | Durable galvanized steel |
| Insulation | Internal thermal insulation minimizes energy waste |
| Smart Home Compatibility | Works with most third-party thermostats |
| Heating Options | Optional electric heat kits (5kW, 7.5kW, 10kW) |
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 24k Multi-Position Air Handler features copper "A" coils with enhanced aluminum fins that deliver superior heat transfer and humidity control for optimal indoor comfort. The durable galvanized steel cabinet provides robust protection against wear and corrosion, while comprehensive thermal insulation minimizes energy loss and prevents condensation buildup. With its 1/3 HP PSC blower motor offering three speeds and operating at just 53 decibels, this air handler ensures quiet, efficient airflow distribution throughout your home. The unit's compatibility with most third-party thermostats enables seamless smart home integration, allowing homeowners to maintain precise climate control using their preferred thermostat system without being locked into proprietary platforms.
Installation Advantages
This 2-ton air handler offers exceptional installation versatility with true multi-position capability for upflow, downflow, or horizontal configurations, making it perfect for challenging spaces like closets, attics, and crawl spaces. The built-in air filter rack simplifies routine maintenance with easy access for quick filter changes. The streamlined design reduces installation time and labor costs, while the availability of multiple optional electric heat kit sizes (5kW, 7.5kW, or 10kW) provides flexible heating capacity for various climate requirements. With its compact footprint and comprehensive compatibility with Signature Series Top Discharge Condensers, this air handler represents a versatile and efficient solution for residential HVAC systems requiring reliable year-round performance in medium-sized homes.