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MRCOOL  |  SKU: MCAESHS4T4221AAMCAEAMPEF42C21AA

Complete MRCOOL R-454B Heat Pump System 42k Heat Pump Condenser + 42k Multi-Position Air Handler

$4,375.98 $4,915.00
Taxes, discounts and shipping calculated at checkout.
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Was $200.00 Now $100.00

  • This high-capacity MRCOOL® HVAC bundle includes one MRCOOL® Signature Series 42k Heat Pump Condenser and one MRCOOL® Signature Series 42k Multi-Position Air Handler, delivering powerful, energy-efficient heating and cooling all year long. Engineered for modern environmental standards, flexible installation, and long-term reliability, this system is an ideal upgrade for larger homes needing dependable comfort in every season.

     

    Powerful, Year-Round Climate Control — MRCOOL® Signature Series 42k Heat Pump Condenser

    Built for consistent, high-output performance, the 42k Heat Pump Condenser offers:

    • 14.3 SEER2 / 11.7 EER2 efficiency for reliable heating and cooling with reduced energy costs

    • Factory pre-charged R-454B refrigerant, supporting low-GWP environmental compliance and faster installation

    • A durable single-speed scroll compressor designed for long-term, stable operation

    • Inner-groove copper tubing for enhanced heat transfer and improved overall efficiency

    • Integrated temperature and pressure sensors for real-time system protection

    • An intelligent defrost function that maintains smooth operation in cold weather

    • Quiet 65 dB performance, supported by a sound-dampening top ideal for residential neighborhoods

    • Rugged protection with a steel louver coil guard and wire fan discharge grille

    • Compact, flexible design for easier placement in various installation environments

    • Service-friendly access, including accessible ports and sweat connection valves

    • Industry-leading warranties: 10-year limited parts warranty and limited lifetime compressor warranty

    Built to perform through extreme heat and winter cold, this condenser provides reliable, efficient comfort year after year.

     

    Flexible, High-Efficiency Airflow — MRCOOL® Signature Series 42k Multi-Position Air Handler

    Perfectly matched to the included heat pump condenser, the 42k Multi-Position Air Handler delivers:

    • Full compatibility with R-454B refrigerant for modern, eco-friendly performance

    • Multi-position installation options—upflow, downflow, or horizontal

    • A slim, space-saving profile ideal for attics, closets, crawl spaces, and other tight areas

    • Galvanized steel cabinet for long-term structural strength

    • High-performance copper “A” coils with enhanced aluminum fins for optimal heat transfer and humidity control

    • A high-efficiency ECM blower motor for strong airflow with lower energy consumption

    • Internal thermal insulation to minimize energy loss, reduce condensation, and quiet operation

    • Simple, fast installation designed to reduce labor and complexity

    • A built-in air filter rack for easy maintenance

    • Optional electric heat kit for enhanced cold-weather heating power

    • Compatibility with most third-party smart thermostats, offering flexible control without proprietary restrictions

    • Backed by a 10-year limited parts warranty

    With flexible installation options and efficient year-round performance, this air handler delivers powerful, evenly distributed comfort.

     

    A Complete, High-Capacity Home Comfort Solution

    Combined, the 42k heat pump condenser and multi-position air handler create a robust, energy-efficient HVAC system engineered for large residential spaces. Featuring modern refrigerant technology, quiet operation, flexible installation, and strong warranty protection, this MRCOOL® system provides reliable comfort and long-term value for any home.