The Lennox 27K01 (M22D012S6-1P) 4-Way Cassette Air Handler is engineered for reliable comfort and efficient performance in residential and light commercial mini-split applications. Designed to pair seamlessly with compatible outdoor units, this 1.0-ton air handler delivers balanced airflow and consistent temperature control throughout the space.

Featuring a 4-way airflow distribution pattern, the cassette style installation provides even air delivery in all directions, making it ideal for open-plan rooms, offices, and living areas with limited wall space. Its compact, ceiling-mounted design integrates discreetly into your environment while maximizing usable floor area.

Built for standard 208–230 VAC 1-phase, 60 Hz electrical systems, the 27K01 ensures dependable operation within common North American power configurations. The unit incorporates a high-efficiency blower and advanced control compatibility, promoting quiet operation and enhanced comfort. Easy service access and durable components reduce maintenance times and improve serviceability.

This Lennox air handler is suitable for new installations or system upgrades where efficient space conditioning and unobtrusive design are priorities. Backed by Lennox’s reputation for quality and performance, the 27K01 offers a dependable solution for year-round comfort.

 

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