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
Requires SLP-18FAU grille

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Collection: Mini Splits

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SLZ-KF12NA.TH - 12,000 BTU Slim-Profile Ceiling Cassette Indoor Unit Less Grille