Description
Description
Model: MCAESAS4T1821AA
Signature 1.5 Ton up to 14.3 SEER2 18,000 BTU Split Air Conditioner
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, this unit meets updated environmental standards without sacrificing performance. The refrigerant is factory-filled to simplify setup, saving time and reducing installation costs. Built for durability, the condenser features a dependable scroll compressor and high-efficiency inner-groove copper tubing. Operating at just 60 decibels, the unit is quiet enough for residential spaces, thanks to a sound-dampening top. A wire fan discharge grille and steel louver coil guard add an extra layer of protection to internal components. Installation and maintenance are straightforward, with sweat connection service valves and an easy-access gauge port. The compact design allows for flexible placement in a variety of locations. For added peace of mind and long-term confidence in your investment, MRCOOL® provides a comprehensive 10-year limited parts warranty and a limited lifetime compressor warranty. This industry-backed warranty reflects MRCOOL®'s commitment to quality, durability, and customer satisfaction. With dependable cooling, quiet operation, and long-term reliability, the MRCOOL® Signature Series 18k Cooling Only Condenser is built for lasting comfort.
Works With
Signature Series Multi-Position or Stud Mount Air Handlers
Extra Information
| SEER2 | 14.3 |
|---|---|
| EER2 | 11.7 |
| CFM | 1950 |
| Tonnage | 1.5 |
| Cooling Capacity (BTU) | 17000 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle (Hz) | 60 |
| Max Fuse Breaker (A) | 20 |
| Min Circuit Ampacity (A) | 12.2 |
| Refrigerant Type | R-454B |
| Refrigerant Volume (oz) | 74 |
| Decibel Rating (dBA) | 60 |
| Min Ambient Cool (°F) | 59 |
| Color | Grey |
| Net Depth (in) | 23.6 |
| Net Height (in) | 25 |
| Net Width (in) | 23.6 |
| Net Weight | 132 |
| Gross Weight (lbs) | 139 |
| Base Warranty | 10 Year Parts, Limited Lifetime Compressor Warranty |
Compatibility & Refrigerant
Verify match before ordering: Indoor and outdoor units must be designed for the same refrigerant generation. If replacing only one component, have an EPA-certified HVAC technician confirm compatibility before installation.
Important Notices
- Images are illustrative only; included accessories may vary by model.
- Availability, specifications, rebates, and pricing can change without notice.
Notices
- Image may not depict actual product color, inclusions, or accessories.
- Availability and substitutions are not guaranteed.
- Handling time: 3–5 business days.
Need Help Before Ordering?
Send us your model numbers (indoor + outdoor) and we’ll help verify compatibility before you purchase.
Frequently Asked Questions
Does MCAESAS4T1821AA require a specific refrigerant type?
Yes. This model is designed for R-454B. Always match indoor/outdoor components to the same refrigerant generation before installation.
What electrical requirements does MCAESAS4T1821AA use?
Check your jobsite power and breaker sizing before ordering. This model lists 208/230 / 1 Phase in the published specifications (verify local code requirements).
What capacity is MCAESAS4T1821AA?
1.5 Ton / 17000 cooling. Use a proper load calculation to select the correct size for your space.
Which series does MCAESAS4T1821AA belong to?
Signature Series Air Conditioner Condenser. Confirm the system series when selecting matching components (indoor, outdoor, controls, accessories).
