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MRCOOL® Signature Series 2 Ton 14.3 SEER2 Central Heat Pump Split System - R-454B - Multi-position

SKU: MCAESHS4T2421AA / MCAEAMPSF24C21AA
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MRCOOL® Signature Series 2 Ton 14.3 SEER2 Central Heat Pump Split System - R-454B - Multi-position

The MRCOOL® Signature Series 2 Ton 14.3 SEER2 Central Heat Pump Split System - R-454B - Multi-position is a high-efficiency, all-season solution designed to keep your home comfortable year-round. With a 14.3 SEER2 and 11.7 EER2 rating, it offers dependable climate control and energy savings, making it a smart replacement or upgrade for any home.

Pre-charged with R-454B refrigerant, this unit meets today’s environmental standards while delivering reliable performance. Its pre-charged design also speeds up installation and lowers labor costs.

At the heart of the system is a durable single-speed scroll compressor, supported by inner-groove copper tubing for improved heat transfer and fast response. This unit includes temperature and pressure sensors and an intelligent defrost function for reliable performance in extreme weather.

It operates quietly at just 53 decibels for the indoor unit, and 60 decibels for the outdoor unit, with a sound-dampening top ideal for use in residential settings. Built to last, it features a louvered coil guard and wire fan discharge grille for extra protection. Service-friendly features include sweat connection valves and an accessible gauge port, while its compact frame allows for flexible placement.

Homeowners also benefit from a 10-year limited parts warranty and a limited lifetime compressor warranty. For comfort, efficiency, and durability, the MRCOOL® Signature Series 2 Ton 14.3 SEER2 Central Heat Pump Split System - R-454B - Multi-position delivers long-term value

Find the Brochures here:


MRCOOL® Signature Series MCAESHS4T2421AA 2 Ton up to 14.3 SEER2 24,000 BTU Split System Heat Pump Condenser - R-454B

MRCOOL® Signature Series 2 Ton 14.3 SEER2 Central Heat Pump Split System - R-454B - Multi-position

The MRCOOL® Signature Series 24k Heat Pump Condenser is a high-efficiency, all-season solution designed to keep your home comfortable year-round. With a 14.3 SEER2 and 11.7 EER2 rating, it offers dependable climate control and energy savings, making it a smart replacement or upgrade for any home. Pre-charged with R-454B refrigerant, this unit meets today’s environmental standards while delivering reliable performance. Its pre-charged design also speeds up installation and lowers labor costs. At the heart of the system is a durable single-speed scroll compressor, supported by inner-groove copper tubing for improved heat transfer and fast response. This unit includes temperature and pressure sensors and an intelligent defrost function for reliable performance in extreme weather. It operates quietly at just 60 decibels, with a sound-dampening top ideal for use in residential settings. Built to last, it features a louvered coil guard and wire fan discharge grille for extra protection. Service-friendly features include sweat connection valves and an accessible gauge port, while its compact frame allows for flexible placement. Homeowners also benefit from a 10-year limited parts warranty and a limited lifetime compressor warranty. For comfort, efficiency, and durability, the MRCOOL® Signature Series 24k Heat Pump delivers long-term value.

  • Cooling/Heating Capacity: 24k (2 Ton)
  • SEER2 Rating: 14.3
  • EER2 Rating: 11.7
  • Refrigerant: Pre-charged with R-454B
  • Compressor: Single-speed scroll compressor for reliable, efficient operation
  • Heat Transfer: Inner-groove copper tubing for improved responsiveness and energy efficiency
  • Built-in Protection: Temperature and pressure sensors
  • Defrost Function: Intelligent defrost for extreme weather performance
  • Noise Level: Quiet operation at 60 decibels with sound-dampening top
  • Durability Features: Louvered coil guard and wire fan discharge grille
  • Service-Friendly Features: Sweat connection valves and accessible gauge port
  • Installation: Compact frame for flexible placement
  • Warranty: 10-year limited parts warranty and limited lifetime compressor warranty
  • Steel Louver Coil Guard

 

MRCOOL® Signature Series MCAEAMPSF24C21AA 2 Ton Split System Air Handler Multi-Position - R-454B

MRCOOL® Signature Series 2 Ton 14.3 SEER2 Central Heat Pump Split System - R-454B - Multi-position

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.

  • Capacity: 24,000 BTU (2 ton)
  • Refrigerant: Compatible with R-454B (low-GWP)
  • Airflow Options: Upflow, downflow, horizontal configurations
  • Design: Slim, compact profile for space-limited installations
  • Cabinet: Galvanized steel for strength and corrosion resistance
  • Coils: Copper “A” coil with enhanced aluminum fins for efficient heat transfer
  • Insulation: Thermal insulation reduces energy loss and condensation
  • Filter: Built-in air filter rack for easy maintenance
  • Optional Accessory: Electric heat kit available
  • Smart Control: Works with most third-party thermostats
  • Warranty: 10-year limited parts coverage
  • Compact, Lightweight Cabinet
  • Durable Construction

Warranty

What's Included:

  • 1x MRCOOL® Signature Series MCAESHS4T2421AA 2 Ton up to 14.3 SEER2 24,000 BTU Split System Heat Pump Condenser - R-454B
  • 1x MRCOOL® Signature Series MCAEAMPSF24C21AA 2 Ton Split System Air Handler Multi-Position - R-454B

MRCOOL® Signature Series MCAESHS4T2421AA 2 Ton up to 14.3 SEER2 24,000 BTU Split System Heat Pump Condenser - R-454B Specifications:

BRAND NAME

MRCOOL®

SERIES

Signature Series Heat Pump Condenser

MODEL

MCAESHS4T2421AA

GTIN

00840255595780

UPC

840255595780

UNIT TYPE

Split System Heat Pump Condenser

SHORT DESCRIPTION

Signature 2 Ton up to 14.3 SEER2 24,000 BTU Split System Heat Pump

LONG DESCRIPTION

The MRCOOL® Signature Series 24k Heat Pump Condenser is a high-efficiency, all-season solution designed to keep your home comfortable year-round. With a 14.3 SEER2 and 11.7 EER2 rating, it offers dependable climate control and energy savings, making it a smart replacement or upgrade for any home. Pre-charged with R-454B refrigerant, this unit meets today’s environmental standards while delivering reliable performance. Its pre-charged design also speeds up installation and lowers labor costs. At the heart of the system is a durable single-speed scroll compressor, supported by inner-groove copper tubing for improved heat transfer and fast response. This unit includes temperature and pressure sensors and an intelligent defrost function for reliable performance in extreme weather. It operates quietly at just 60 decibels, with a sound-dampening top ideal for use in residential settings. Built to last, it features a louvered coil guard and wire fan discharge grille for extra protection. Service-friendly features include sweat connection valves and an accessible gauge port, while its compact frame allows for flexible placement. Homeowners also benefit from a 10-year limited parts warranty and a limited lifetime compressor warranty. For comfort, efficiency, and durability, the MRCOOL® Signature Series 24k Heat Pump delivers long-term value.

WORKS WITH

Signature Series Multi-Position or Stud Mount Air Handlers

SEER2

14.3

EER2

11.7

HSPF2

7.5

CFM

1950

TONNAGE

2

COOLING CAPACITY (BTU)

22000

HEATING 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)

91.7

DECIBEL RATING (DBA)

60

INVERTER

No

MIN AMBIENT COOL (F)

59

MIN AMBIENT HEAT (F)

5

MAX LINESET LENGTH (FT)

100

LIQUID LINE SIZE

3/8

SUCTION LINE SIZE

3/4

COMPRESSOR MOTOR TYPE

Scroll

CONDENSER FAN MOTOR TYPE

PSC

CONDENSER FAN MOTOR HP

1/9

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

NET DEPTH (IN)

23.6

NET HEIGHT (IN)

25

NET WIDTH (IN)

23.6

NET WEIGHT (LBS)

144

GROSS DEPTH (IN)

24.8

GROSS HEIGHT (IN)

26.2

GROSS WIDTH (IN)

24.8

GROSS WEIGHT (LBS)

151

RESOURCES


MRCOOL® Signature Series MCAEAMPSF24C21AA 2 Ton Split System Air Handler Multi-Position - R-454B Specifications:

BRAND NAME

MRCOOL®

SERIES

Signature Series Multi-Position Air Handler

MODEL

MCAEAMPSF24C21AA

GTIN

00840255595858

UPC

840255595858

UNIT TYPE

Air Handler

CONFIGURATION

Multi-Position

SHORT DESCRIPTION

Signature 24,000 BTU Split System Air Handler Multi-Position

LONG DESCRIPTION

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.

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

NET DEPTH (IN)

22

NET HEIGHT (IN)

45.75

NET WIDTH (IN)

19.625

NET WEIGHT (LBS)

128

GROSS DEPTH (IN)

25.6

GROSS HEIGHT (IN)

47.625

GROSS WIDTH (IN)

22.83

GROSS WEIGHT (LBS)

141

RESOURCES