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MRCOOL

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

MCAESHS4T2421AA

22,000 BTU · 14.3 SEER2 · 208/230V · R-454B

Part of Signature Series – Complete Systems

Cooling capacity
22,000 BTU2 tons
Efficiency
14.3 SEER2
Power
208/230V20A 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

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.

Documents & manuals

Specifications

Capacity & efficiency
TypeComplete system — heat pump (heats & cools)
SeriesSignature Series
Cooling capacity22,000 BTU
Heating capacity22,000 BTU
Nominal size2 tons
SEER214.3
EER211.7
Heats down to5°F outdoor
Airflow1950 CFM
Sound level60 dBA
Electrical
Voltage208/230V
Phase1-phase
Min. circuit ampacity (MCA)15.2 A
Max. breaker (MOP)20 A
Refrigerant & line set
RefrigerantR-454B
Factory charge91.7 oz
Max. line length100 ft
Liquid line3/8"
Suction line3/4"
Physical
Dimensions (in)23.6 W × 23.6 D × 25 H
Weight144 lb
Shipping weight151 lb
ColorGrey
Certifications, warranty & ordering
AHRI certifiedYes
Safety listingUL, ETL
Parts warranty10 years
UPC840255595780