MRCOOL TruInverter 4 Ton 18 SEER2 48K BTU Heat Pump Condenser 230V MCAESHV8T4821BA
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The MRCOOL® Signature Series TruInverter™ 48K Heat Pump Condenser delivers powerful, energy-efficient comfort for larger homes and high-demand living spaces. With a 18 SEER2 rating and a 8.5 HSPF2-4 heating efficiency rating, it maintains precise indoor temperatures while using significantly less energy than traditional systems—helping lower monthly utility bills and long-term operating costs.
At its core is TruInverter™ variable-speed technology, which continuously adjusts compressor output to match real-time demand. This results in smoother temperature control, improved humidity management, quieter operation, reduced system wear, and longer equipment life. This unit is designed to work with MRCOOL® No-Vac® Quick Connect® line sets, which are pre-charged and eliminate the need for system evacuation—significantly saving on installation time and labor.
The condenser is factory-charged with next-generation R-454B refrigerant, an environmentally responsible option with lower global warming potential. Built for quiet performance, the system operates at approximately 70 decibels, with a sound-dampening top that minimizes noise without restricting airflow. Durability is reinforced with a steel louver coil guard and wire fan discharge grille. Backed by a 10-year limited parts warranty and a limited lifetime compressor warranty, the MRCOOL® TruInverter™ 48K is a smart, future-ready investment in whole-home comfort.
Technical Specifications
| Cooling Capacity | 47,000 BTU |
| Heating Capacity | 47,000 BTU |
| Tonnage | 4 Ton |
| SEER2 | 18 |
| EER2 | 9 |
| HSPF2-4 | 8.5 |
| COP (47°F) | 3.2 |
| Voltage | 208/230 V |
| Phase | 1 |
| Frequency | 60 Hz |
| Max Fuse/Breaker | 60 A |
| Min Circuit Ampacity | 35 A |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 141.09 oz |
| Sound Level | 70 dBA |
| Min Ambient Temp (Cooling) | 5°F |
| Min Ambient Temp (Heating) | -5°F |
| Liquid Line Size | 3/8" |
| Suction Line Size | 7/8" |
| Max Lineset Length | 100 ft |
| Net Dimensions (DĂ—HĂ—W) | 29.125" Ă— 33.19" Ă— 29.125" |
| Net Weight | 190 lbs |
| Gross Dimensions (DĂ—HĂ—W) | 30.25" Ă— 39.5" Ă— 30.25" |
| Gross Weight | 220 lbs |
Certifications
- AHRI Certified
Warranty
- 10 Year Parts Warranty
- Lifetime Compressor Warranty
Product Documentation
- MRCOOL TruInverter 4T Condenser Installation Manual (PDF)
- MRCOOL TruInverter 4T Condenser Warranty Document (PDF)
- MRCOOL TruInverter 4T Condenser Brochure (PDF)
- MRCOOL TruInverter 4T Condenser AHRI Certification (PDF)
- MRCOOL TruInverter 4T Condenser Energy Guide (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.