Mitsubishi SLZ-KF12NA-TH 12,000 BTU Slim-Profile Ceiling Cassette Indoor Unit

The Mitsubishi SLZ-KF12NA-TH is a sleek 12,000 BTU slim-profile ceiling cassette indoor unit engineered for efficient heating and cooling in residential and light commercial ductless systems. Part of Mitsubishi’s M-Series ceiling cassette lineup, this model installs flush with the ceiling to provide powerful comfort without sacrificing room aesthetics or usable wall space. Its low-profile design is ideal for spaces with limited ceiling cavity depth, offering dependable year-round performance and quiet operation when paired with a compatible Mitsubishi outdoor unit.

Designed for ease of installation and superior airflow, the SLZ-KF12NA-TH delivers balanced temperature control across the room with adjustable vane directions and multiple fan speeds. Advanced filtration and flexible control options ensure enhanced indoor comfort and convenience for living rooms, bedrooms, offices, and other interior spaces.

Features

• Manufacturer: Mitsubishi Electric
• Part Number: SLZ-KF12NA-TH
• Series: M-Series Ceiling Cassette
• Capacity: 12,000 BTU cooling with heat pump compatible heating
• Unit Type: Ceiling cassette indoor unit — slim-profile design
• Installation: Flush ceiling mount for clean aesthetic and minimal intrusion
• Airflow: Adjustable multi-speed fan and vane control for optimized comfort distribution
• Operation: Quiet performance suited for residential and light commercial interiors
• Filtration: Built-in air filtration for improved indoor air quality
• Controls: Compatible with wired, wireless, and kumo cloud smart control options (sold separately)
• Refrigerant: R-410A
• Electrical: 208/230 V, single-phase, 60 Hz
• Application: Ideal for rooms with limited ceiling height or where wall space is at a premium
• Design: Slim ceiling cassette profile with balanced airflow for consistent comfort

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