MRCOOL Universal Series Heat Pump Residential 4 -Ton 17.5 -SEER Heat Pump

The MRCOOL® Universal® Series 48K Complete DC Inverter Heat Pump System is designed to provide powerful, energy-efficient heating and cooling for larger homes and demanding climates. Whether facing sweltering summer heat or freezing winter temperatures, this high-capacity system delivers reliable airflow, consistent indoor comfort, and long-term performance. With an impressive 17.5 SEER2 and 9.8 HSPF2 rating, the Universal® 48K system maximizes efficiency, helping reduce energy consumption while maintaining peak performance. Its DC inverter technology continuously adjusts compressor output to meet your home’s real-time heating and cooling needs, ensuring quieter operation, more stable temperatures, reduced energy use, and less wear on components for extended system life. This complete system includes the outdoor condenser and a compatible multi-position indoor air handler, which can be installed in upflow, downflow, or horizontal orientations. The condenser’s compact, space-saving design allows installation in tight outdoor spaces without sacrificing airflow or capacity. Installation is simplified when paired with the MRCOOL® NO-VAC® Quick Connect® line set (sold separately). These pre-charged, sealed line sets eliminate vacuuming, flaring, and refrigerant handling, dramatically reducing installation time, complexity, and labor costs—ideal for both professional contractors and experienced DIY installers. Backed by a 10-year parts warranty and a 2-year limited labor warranty, the MRCOOL® Universal® Series 48K Complete DC Inverter Heat Pump System ensures long-term comfort, reliability, and peace of mind for your home.

Includes 48,000 BTU pre-charged Condenser and Air handler configurations such as upflow, downflow, horizontal left, and horizontal right R-454B environmentally friendly refrigerant Optional auxiliary heat kits available compatible models are UHK10,UHK15,UHK20 sold separately Connection types sweat braze connection, flare connection,and pre-charged quick connect line set NV15-3834-O, NV25-3834-O, NV35-3834-O, NV50-3834-O sold separately 10-year parts warranty and a 2-year limited labor warranty M-shaped evaporator coil with a large surface area that improves airflow and maximizes heat exchange Up to 0.8” static pressure Heat mode continuous operation as low as -22F