The Lennox 27K90 (model MWHD015S6-1P) is a dependable standard-efficiency wall-mount mini-split designed for year-round comfort in residential and light commercial applications. Operating on 208–230 VAC single-phase power, this unit provides reliable heating and cooling performance with smooth, quiet operation. Engineered by Lennox for consistent efficiency, the MWHD015S6-1P is an excellent solution for supplemental comfort control, retrofit installations, room additions, offices, and areas where traditional HVAC systems may be impractical.

This wall-mounted indoor air handler pairs with compatible Lennox outdoor units to deliver stable temperature control, energy-conscious operation, and enhanced humidity management. Its streamlined profile allows easy installation in spaces with limited wall area while maintaining strong airflow performance. With Lennox’s proven mini-split technology, the 27K90 offers dependable operation, long-term durability, and a low-maintenance design suitable for a wide range of environments.

 

Key Features:

• Standard-efficiency wall-mounted mini-split indoor unit for versatile residential or light commercial use
• Operates on 208–230 VAC, 1-phase, 60 Hz power
• Designed for smooth, quiet, and consistent airflow distribution
• Ideal for room additions, offices, small zones, or installations where ductwork is not feasible
• Compatible with Lennox mini-split systems for reliable heating and cooling
• Slim, modern wall-mount design for space-saving installation and improved aesthetics
• Engineered for durable performance with minimal maintenance requirements