Price range: $2,099.99 through $3,499.99

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MAX Series Multi-Zone Outdoor Unit

Built for demanding multi-zone projects, this R454B Multi-Split Outdoor Heat Pump Unit delivers powerful year-round performance with high SEER2 efficiency and dependable cold-climate heating. Designed for modern multi-family or mixed-use applications, it supports long line sets, multiple indoor units, and wide operating temperature ranges—from frigid winter mornings to peak summer heat. Precision-engineered with quiet operation, reliable inverter technology, and compact footprint options across 18K–42K models, it’s made for projects that need efficiency, flexibility, and consistent comfort. A strong, system-ready solution for FORM+ developments.

PRODUCT FEATURES

+ High-efficiency R454B inverter system with SEER2 ratings up to 24.5 for low energy consumption. + Cold-climate performance with heating operation down to –25°C (–13°F). + Supports long refrigerant piping runs — up to 75 m total liquid length depending on model. + Quiet outdoor operation starting at 58 dB(A) for noise-sensitive installations. + Compact footprint ideal for multi-unit residential layouts. + Includes Infrared Remote Control

PRODUCT SPECIFICATIONS

+ 18K, 27K, 36K, 42K BTU multi-zone outdoor units. + Cooling Capacity: Up to 42,000 BTU/h at 95°F (35°C). + Heating Capacity: Up to 45,000 BTU/h at 47°F (8.3°C). + SEER2 / HSPF2: Up to 24.5 SEER2 / 10 HSPF2-4 depending on model. + Operating Range: Cooling –15°C to 55°C (5°F to 131°F), Heating –25°C to 30°C (–13°F to 86°F). + Sound Level: 58–65 dB(A) depending on tonnage. + Line Set Sizes: 1/4″ liquid + 3/8″ gas connections.

DIMENSIONS

Models range approx. 33″-40″W × 17″-21″D × 27″-33.5″ H Models range approx. W:83.8–101.6 cm × D: 43.2–53.3 cm × 68.6–85.1 cm H

CERTIFICATIONS + STANDARDS

cETL Certifed AHRI Certified NEEP Certified
FORM PLUS HVAC OUTDOOR UNIT DIMENSIONS