This high-capacity MRCOOL® HVAC bundle includes one MRCOOL® Signature Series 48k Heat Pump Condenser and one MRCOOL® Signature Series 48k Multi-Position Air Handler, delivering powerful, energy-efficient heating and cooling for large homes and demanding applications. Built for year-round performance, flexible installation, and long-term reliability, this system is an excellent choice for homeowners seeking dependable comfort in every season.

High-Capacity All-Season Comfort — MRCOOL® Signature Series 48k Heat Pump Condenser

Engineered to deliver strong heating and cooling output in any climate, the 48k Heat Pump Condenser offers:

• 14.3 SEER2 / 11.2 EER2 for balanced, efficient year-round performance

• Factory pre-charged R-454B refrigerant, a low-GWP, environmentally responsible solution

• Faster installation thanks to the pre-charged design, which reduces labor time and complexity

• A heavy-duty single-speed scroll compressor for dependable, continuous operation

• Inner-groove copper tubing to boost heat transfer and overall system efficiency

• Integrated temperature and pressure sensors for improved system protection

• An intelligent defrost function for reliable cold-weather performance

• Quiet 65 dB operation, supported by a specially engineered sound-control top

• Steel louver coil guard and wire fan discharge grille for long-lasting protection against debris and damage

• A compact layout with accessible service valves for easy maintenance

• Strong warranty support: 10-year limited parts warranty and limited lifetime compressor warranty

Designed for maximum performance and durability, this condenser provides powerful heating and cooling while keeping noise and maintenance to a minimum.

Flexible, High-Efficiency Airflow — MRCOOL® Signature Series 48k Multi-Position Air Handler

Perfectly matched to the 48k heat pump condenser, this air handler delivers:

• Full compatibility with R-454B refrigerant for efficient, eco-friendly operation

• Multi-position installation capability: upflow, downflow, or horizontal

• Compact, streamlined design for easy installation in closets, attics, crawl spaces, and tight mechanical areas

• Durable galvanized steel cabinet for long-lasting strength

• A high-efficiency ECM blower motor for steady airflow with reduced energy consumption

• Copper “A” coils with aluminum fins for excellent heat transfer and humidity control

• Internal thermal insulation to reduce condensation, improve efficiency, and promote quiet performance

• Simple installation designed to reduce labor time and complexity

• A built-in air filter rack for easy maintenance

• Optional electric heat kit for enhanced winter heating capability

• Compatibility with most third-party smart thermostats, providing flexible comfort control

• Protected by a 10-year limited parts warranty

Designed for demanding residential environments, this air handler ensures efficient, powerful air distribution through every season.

A Complete, High-Performance Heating & Cooling System

Together, the 48k heat pump condenser and multi-position air handler form a robust, energy-efficient HVAC system capable of heating and cooling large spaces with ease. With modern refrigerant technology, flexible installation options, quiet operation, and strong warranty protection, this MRCOOL® system provides reliable comfort, long-term durability, and exceptional performance for today’s homes.

• Heat Pump Brochure
• Air Handler Brochure
• Heat Pump Installation & Owner's Manual
• Air Handler Installation & Owner's Manual
• Heat Pump and Air Handler Limited Warranty
• AHRI Certificate
• Energy Guide