MRCOOL Signature 24K BTU 2 Ton 14.3 SEER2 Air Conditionar Condenser and Multi-Position Air Handler (M24C21AA4T2421AC)

MRCOOL Signature 24K BTU 2 Ton 14.3 SEER2 Air Conditionar Condenser and Multi-Position Air Handler (M24C21AA4T2421AC)

SKU: M24C21AA4T2421AC

Sale price$2,639.35 Regular price$3,499.90



Electric Heat Kit (Optional):


Out of Stock Estimated restock: 2-4 Weeks
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Package Overview

Stay cool and comfortable year-round with the MRCOOL® Signature Series 24k Bundle. Featuring a versatile multi-position air handler and an energy-efficient cooling-only condenser, this system provides dependable comfort, flexible installation, and eco-friendly performance with next-generation R-454B refrigerant. Durable, quiet, and efficient, it’s the perfect upgrade for modern homes.

Features

  • Up to 14.3 SEER2 efficiency ratings
  • Eco-friendly R-454B refrigerant for lower environmental impact
  • Multi-position air handler: upflow, downflow, or horizontal
  • Quiet operation at approx. 60 dB with sound-dampening top
  • Copper “A” coils and inner-groove tubing for superior heat transfer
  • Backed by 10-year parts & limited lifetime compressor warranty

Package Includes:

Description
Product Specs
Manuals & Guides

The MRCOOL® Signature Series 24k Cooling Only Condenser offers dependable, energy-efficient performance for homeowners looking to upgrade their comfort without increasing energy bills. With a 14.3 SEER2 and 11.7 EER2 rating, this system delivers consistent, cost-effective cooling for a wide range of residential applications.

This unit comes factory pre-charged with R-454B refrigerant, a next-generation, low-GWP refrigerant specifically developed to comply with today’s stricter environmental regulations. At the heart of this high-performing unit is a durable single-speed scroll compressor, engineered to provide long-lasting, dependable operation. Scroll compressors are widely known for their quiet, efficient performance and reduced mechanical wear, making them a superior choice for residential HVAC systems.

To further enhance efficiency and heat transfer capabilities, the unit features inner-groove copper tubing—a design that increases surface area contact, boosts refrigerant flow, and promotes quicker, more effective temperature regulation throughout the system. Despite its strength, the unit operates at only 60 decibels, quiet enough for everyday residential use. A sound-dampening top helps reduce noise, while a steel louver coil guard and wire fan discharge grille help safeguard internal parts and extend the unit’s lifespan.

The system is backed by the MRCOOL® guarantee, a 10-year limited parts warranty and a limited lifetime compressor warranty, offering added assurance of long-term reliability and support. Efficient, quiet, and built to last, the MRCOOL® Signature Series 24k Cooling Only Condenser is a smart choice for reliable home cooling.

Net Dimensions (In) 23.6 D x 25 H x 23.6 W
Net Weight (Lbs) 133
Works With Signature Series Multi-Position or Stud Mount Air Handlers
SEER2 14.3
EER2 11.7
CFM 1950
Tonnage 2
Cooling Capacity (Btu) 22000
Voltage (V) 208/230
Phase 1
Cycle 60
Max Fuse Breaker (A) 20
Min Circuit Ampacity (A) 15.2
Color Grey
Refrigerant Type R-454B
Refrigerant Volume (Oz) 79.3
Decibel Rating (Dba) 60
Inverter No
Min Ambient Cool (F) 59
Max Lineset Length (Ft) 100
Liquid Line Size 8-Mar
Suction Line Size 4-Mar
Compressor Motor Type Scroll
Condenser Fan Motor Type PSC
Condenser Fan Motor Hp 9-Jan
UL Listed Yes
CSA Listed Yes
ETL Listed Yes
Energy Star Certified No
AHRI Certified Yes
Base Warranty 10 Year Parts, Limited Lifetime Compressor Warranty
Base Parts Warranty 10 Year
Base Compressor Warranty Limited Lifetime
Contains Electronics Yes
Contains Chemicals Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Gross Depth (In) 24.8
Gross Height (In) 26.2
Gross Width (In) 24.8
Gross Weight (Lbs) 139
Description
Product Specs
Manuals & Guides

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.

Net Dimensions (In) 22 D x 45.75 H x 19.625 W
Net Weight (Lbs) 128
Works With Signature Series Top Discharge Condensers
CFM 761
Tonnage 2
Voltage (V) 208/230
Phase 1
Cycle 60
Max Fuse Breaker (A) 3
Min Circuit Ampacity (A) 2.4
Mount Type Multi-Position
Color Grey
Refrigerant Type R-454B
Decibel Rating (Dba) 53
Air Flow Direction Multi-Position
Drain Connection Size 3/4
Liquid Line Size 3/8
Suction Line Size 3/4
Blower Motor Type PSC
Blower Motor Hp 1/3
Blower Motor Speeds 3
Blower Motor Rpm 910
Filter Type Replaceable
Filter Size 18 * 21 * 1
Metering Device Orifice
Auxiliary Heater Included No
Auxiliary Heater Available Yes
Auxiliary Heater Sizes 5kW, 7.5kW, 10kW
UL Listed Yes
CSA Listed Yes
ETL Listed Yes
Energy Star Certified No
AHRI Certified Yes
Base Warranty 10 Year Parts, Limited Lifetime Compressor Warranty
Base Parts Warranty 10 Year
Base Compressor Warranty Limited Lifetime
Contains Electronics Yes
Contains Chemicals Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Gross Depth (In) 25.6
Gross Height (In) 47.625
Gross Width (In) 22.83
Gross Weight (Lbs) 141

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