MRCOOL Signature Series 1.5 Ton R-454B Multi-Position Air Handler 208/230V MCAEAMPSF18C21AA
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The MRCOOL® Signature Series 18k Multi-Position Air Handler delivers dependable, year-round climate control with enhanced energy efficiency thanks to its use of R-454B refrigerant, an eco-friendly upgrade that reduces environmental impact without sacrificing performance. Built for flexibility, this unit supports upflow, downflow, and horizontal configurations, making it an excellent choice for compact installations such as closets, attics, and crawl spaces.
Despite its slim profile, this Signature Series Air Handler provides robust heating and cooling when matched with a compatible heat pump or condenser. Its tough galvanized steel cabinet resists wear and corrosion, ensuring long-term durability.
Inside, copper coils with high-efficiency aluminum fins maximize heat transfer and moisture removal, while internal thermal insulation minimizes energy waste and condensation, keeping comfort high and utility bills low.
Installation is streamlined with its user-friendly design, saving time and reducing labor costs. A built-in air filter rack allows for quick filter replacements, and an optional electric heat kit is available for enhanced performance in colder regions.
Smart home ready, this unit works with most third-party thermostats, giving homeowners the freedom to customize their comfort without relying on proprietary controls.
Covered by a 10-year limited parts warranty, the MRCOOL® Signature Series 18k Multi-Position Air Handler combines strength, efficiency, and adaptability delivering powerful, reliable comfort all year long.
Technical Specifications
| Tonnage | 1.5 Ton |
| CFM | 749 |
| Voltage | 208/230 V |
| Phase | 1 |
| Frequency | 60 Hz |
| Max Fuse/Breaker | 3 A |
| Min Circuit Ampacity | 2.1 A |
| Refrigerant Type | R-454B |
| Sound Level | 53 dBA |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Net Dimensions (D×H×W) | 22" × 45.75" × 19.625" |
| Net Weight | 120 lbs |
| Gross Dimensions (D×H×W) | 25.6" × 47.625" × 22.83" |
| Gross Weight | 133 lbs |
Certifications
- UL Listed
- CSA Listed
- ETL Listed
- AHRI Certified
Warranty
- 10 Year Parts Warranty
- Limited Lifetime Compressor Warranty
Product Documentation
- MRCOOL Signature Series Multi-Position Air Handler 1.5T Installation Manual (PDF)
- MRCOOL Signature Series Multi-Position Air Handler 1.5T Warranty Document (PDF)
- MRCOOL Signature Series Multi-Position Air Handler 1.5T Brochure (PDF)
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.