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MRCOOL

MRCOOL Signature 3 Ton up to 14.3 SEER2 36,000 BTU Split Air Conditioner

MCAESAS4T3621AA

33,000 BTU · 14.3 SEER2 · 208/230V · R-454B

Part of Signature Series – Condensers

Cooling capacity
33,000 BTU3 tons
Efficiency
14.3 SEER2
Power
208/230V30A 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 36k Cooling Only Condenser delivers efficient, reliable cooling designed to meet the demands of modern homeowners. With a 14.3 SEER2 and 11.7 EER2 rating, it offers strong energy savings without sacrificing comfort, making it an excellent solution for both system upgrades and new installations. Factory pre-charged with R-454B refrigerant, this unit supports updated environmental regulations while maintaining the high-performance standards MRCOOL® is known for. The pre-charged design allows for quicker, simpler installation, helping save on time and labor. At the heart of the system is a dependable scroll compressor built for consistent operation and long-term durability. Inner-groove copper tubing improves heat transfer, while integrated sensors monitor pressure and temperature to help protect the system from extreme conditions. Designed with homeowners in mind, this unit operates at a quiet 63 decibels, comparable to a typical household appliance. A specially engineered sound-control top keeps operation discreet, even during high-demand periods. Meanwhile, a steel louver coil guard and wire fan discharge grille offer added protection to internal components. Installation and maintenance are straightforward, with accessible service valves and a convenient gauge port. And MRCOOL®’s industry-leading standard 10-year limited parts warranty and limited lifetime compressor warranty, making the MRCOOL® Signature Series 36k Cooling Only Condenser a dependable, efficient choice for cooling comfort.

Documents & manuals

Specifications

Capacity & efficiency
TypeCondenser (outdoor unit)
SeriesSignature Series
Cooling capacity33,000 BTU
Nominal size3 tons
SEER214.3
EER211.7
Airflow2750 CFM
Sound level63 dBA
Electrical
Voltage208/230V
Phase1-phase
Min. circuit ampacity (MCA)22.2 A
Max. breaker (MOP)30 A
Refrigerant & line set
RefrigerantR-454B
Factory charge98.1 oz
Max. line length150 ft
Liquid line3/8"
Suction line3/4"
Physical
Dimensions (in)29.14 W × 29.14 D × 25 H
Weight152 lb
Shipping weight160 lb
ColorGrey
Certifications, warranty & ordering
AHRI certifiedYes
Safety listingUL, ETL
Parts warranty10 years
UPC840255595742