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Singnature Series

MRCOOL Signature Series 2 Ton Multi-Position Air Handler | MCAEAMPSF24C21AA

SKU MCAEAMPSF24C21AA Multi Position Air Handlers208-230V
$1,189.00
In StockShips in 1-2 business days
High efficiency. Quiet performance. Easy installation.

A smart, reliable choice for year-round comfort.

Best for 24K room setups:
  • Large living rooms
  • Open areas
  • Workshops
  • Basements
24,000 BTU
Cooling
24,000 BTU
Heating
See specs
Quiet Inside
See specs
High Efficiency

Brand Information

MrCool
Support Number
(270)366-0457
Product Overview Full product description Read the longer product copy, features, and application notes.
MRCOOL — Air Handlers

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 productto 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 compressor
  • Base Warranty: 10 years parts, limited 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.

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Product FAQs

Product FAQs

Helpful answers matched to this product, brand, specs, and configuration.
Where should I purchase MRCOOL equipment?

MRCOOL products are sold through authorized retailers and distributors rather than directly by MRCOOL to consumers. Purchasing through an authorized seller helps confirm that the equipment is genuine and that the correct purchase records are available for product and warranty support.

Can MRCOOL components from different series, generations, or refrigerant platforms be mixed?

Do not assume that MRCOOL indoor units, outdoor units, line sets, controls, or accessories are interchangeable. Use only manufacturer-approved combinations for the exact model family; in particular, MRCOOL states that R-410A products are not compatible with R-454B products and the refrigerants must never be mixed.

What makes an eligible MRCOOL DIY system different from a conventional mini-split?

Eligible MRCOOL DIY systems are designed around installation-friendly components such as factory-precharged line sets and compatible connection hardware. The included components vary by generation and package, and electrical work, permits, clearances, and local code requirements still need to be followed.

Does MRCOOL send technicians to a home or jobsite?

MRCOOL does not dispatch field technicians. Its in-house team provides phone and email assistance for diagnosis, troubleshooting, and product guidance, while the owner arranges and pays for any local on-site technician unless a specific written warranty program states otherwise.

Why do I need the exact MRCOOL model and serial number?

The model and serial number identify the exact equipment, generation, capacity, and applicable documentation or warranty. Use the identification labels on the equipment and MRCOOL’s registration guidance rather than relying only on a product title or general series name.

Are all MRCOOL systems designed for do-it-yourself installation?

No. Only product families specifically identified by MRCOOL as DIY-capable should be treated as do-it-yourself systems. Other lines, including the Advantage Series, require professional HVAC installation, so always follow the installation requirements for the exact model.

Where can I find MRCOOL manuals, specifications, certifications, and installation documents?

MRCOOL maintains a documentation library and a product support center with model-specific installation manuals, owner manuals, technical documents, certifications, warranty information, and troubleshooting resources. Search using the exact model number because documents can differ by series, generation, capacity, and refrigerant.

What types of products does MRCOOL offer?

MRCOOL offers a broad range of comfort products, including ductless mini-splits, central ducted split systems, packaged heat pumps, geothermal systems, water heaters, fans, thermostats, line sets, and HVAC accessories. Available capacities, refrigerants, efficiencies, and features depend on the exact product family and model.

When should an MRCOOL system be registered?

Register the system as soon as possible after purchase and installation. Several MRCOOL residential warranty programs require registration within 60 days of installation, or within 60 days of purchase when the installation date cannot be verified, but the exact requirement is controlled by the warranty document for the specific product.

Where can I purchase replacement parts for an MRCOOL system?

MRCOOL recommends starting with the original place of purchase because many dealers can special-order replacement parts. If that is not available, use an authorized MRCOOL parts distributor and confirm compatibility with the exact model and serial number before ordering.

How can I contact MRCOOL customer or technical support?

MRCOOL provides support by phone at (270) 366-0457, by email at support@mrcool.com, and through its online support-request form. Have the exact model and serial number available so the support team can identify the correct product documentation and next steps.

Can MRCOOL support work with my local HVAC technician?

Yes. If a local technician is scheduled, MRCOOL’s in-house support team can help coordinate troubleshooting and product guidance with that technician. The technician should have the model, serial number, system configuration, measurements, error codes, and a clear description of the issue available.

Where can I find MRCOOL troubleshooting and error-code information?

MRCOOL’s support center provides separate technical-support sections for ductless systems, residential ducted systems, product-specific error codes, wiring guidance, installation procedures, and troubleshooting articles. Use the exact series and model because codes and procedures are not universal across all MRCOOL equipment.

How do I register an MRCOOL product for warranty coverage?

Register the product through MRCOOL’s online warranty-registration page. Be prepared to provide the serial number along with purchase, owner, installation-location, and installer information requested by the registration form.

Does every MRCOOL product have the same warranty?

No. MRCOOL publishes separate warranty terms for different product families, generations, and applications. For example, the current DIY 5th Generation warranty lists 5-year parts and 7-year compressor coverage, but that coverage should not be assumed for another MRCOOL series; always check the exact product warranty document.

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