Signature Split System Air Conditioner 18k 1.5 Ton R-454B 230V

MCAESAS4T1821AA

NON DIY - Licensed HVAC Installation

Description

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, 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.

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.

Find the Brochure HERE.

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Key Specs

• 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

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Compatibility

Signature Series R-454B Multi-Position Air Handler

Signature Series R-454B Stud Mount Air Handler

Disclaimer:

The compatibility information provided in this article is specific to units within the same series. While additional compatibility with other series and units may exist, it is not detailed here. For further assistance or confirmation of compatibility with other systems, please contact MRCOOL support.

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Warranty

The MRCOOL warranty provides comprehensive coverage for your unit when installed by a licensed professional.

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Quick Links

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• Warranty Registration
• Warranty Information
• Rebate Center
• Install Manual
• AHRI
• Energy Guide 

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📞 (270) 366-0457
📧 support@mrcool.com
📝 Submit a support ticket