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  5. Mini Split Outdoor Unit
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MRCOOL MCAESAS4T1821AA Signature Series Cooling Only Condenser with 18000 BTU Capacity, 14.3 SEER2 and R-454B Refrigerant in Gray (Indoor Unit Required to Operate)

SKU: MCAESAS4T1821AA
0 Units Available Pre-Order (90 – 120 Days)

The MRCOOL® Signature Series 18k Cooling Only Condenser provides efficient residential cooling rated at 14.3 SEER2 and 11.7 EER2 for long-term energy savings. Pre-charged with eco-friendly R-454B refrigerant for quick and cost-effective installation, it features a dependable single-speed scroll compressor, inner-groove copper tubing for superior heat exchange, and quiet 60-decibel operation with a sound-dampening top. Designed with a protective steel louver coil guard, compact footprint, and easy-access service ports, this durable unit comes backed by a 10-year limited parts warranty and a limited lifetime compressor warranty.

MRCOOL Mini Split Outdoor Unit MRCOOL Signature MRCOOL Signature Mini Split Outdoor Unit
$ 1,530.22 $ 1,700.24
$ 1,561.64

$ 0.00 / Units
  • Brand
  • Height
  • Type
  • Color
  • Voltage
  • Nominal BTU Capacity
  • Series
  • Cooling BTU Capacity
  • Provides Heating
  • AHRI Certified
  • Appliance Category
  • Color Family
  • Warranty
  • Width
  • Depth
  • Heat
  • Amps
  • SEER
  • Remote Controller
  • Corrosion Protection
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MRCOOL® Signature Series 18k Cooling Only Condenser
The MRCOOL® Signature Series 18k Cooling Only Condenser is a reliable and efficient solution for homeowners seeking powerful cooling with long-term savings in mind. With a 14.3 SEER2 and 11.7 EER2 rating, this unit delivers steady performance while helping reduce energy costs. Pre-charged with eco-friendly R-454B refrigerant, it meets updated environmental standards without sacrificing performance. The factory pre-charge simplifies setup, saving time and reducing installation costs.

Built for Durability
Built for durability, the condenser features a dependable single-speed scroll compressor and high-efficiency inner-groove copper tubing. Operating at just 60 decibels, it’s quiet enough for residential spaces, with a precision sound-dampening top to minimize noise. A wire fan discharge grille and steel louver coil guard add protection to internal components, ensuring long-term reliability.

Warranty
Installation and maintenance are straightforward, with sweat connection service valves and an easy-access gauge port. The compact design allows flexible placement, while the 10-year limited parts warranty and limited lifetime compressor warranty provide lasting peace of mind.

  • Cooling capacity: 18k BTU
  • Efficiency ratings: 14.3 SEER2 / 11.7 EER2
  • Refrigerant: Pre-charged with R-454B
  • Compressor: Single-speed scroll
  • Tubing: High-efficiency inner-groove copper
  • Noise level: 60 dB with sound-dampening top
  • Durability features: Wire fan discharge grille, steel louver coil guard
  • Service features: Sweat connection service valves, accessible gauge port
  • Design: Compact for flexible placement
  • Warranty: 10-year limited parts / limited lifetime compressor

Specifications

Certifications
AHRI Certified Yes
Appearance
Color Gray
Appliance Category Air Conditioner
Brands
Brand MRCOOL
Series Signature
Dimensions
Height 25"
Width 23 3/5"
Depth 23 3/5"
Style
Type Mini Split Outdoor Unit
Capacity
Nominal BTU Capacity 18000 BTU
Cooling BTU Capacity 17000
SEER 14.3
Warranty
Warranty 10 Year Parts, Limited Lifetime on Compressor
Technical Details
Voltage 230 Volts
Amps 20
Features
Provides Heating No
Heat No
Remote Controller No
Corrosion Protection Yes
Others
Color Family Gray