The Lennox 90J12 CH23-21 horizontal indoor coil is a factory-cased evaporator coil designed for reliable performance in residential split air conditioning and heat pump systems. Rated at 1.5 tons, this coil is engineered for horizontal airflow installations where space or duct layout requires a side-flow configuration. The durable factory cabinet protects the coil and helps ensure proper airflow, making installation faster and more consistent for HVAC professionals.

Built to Lennox OEM specifications, the CH23-21 coil provides efficient heat transfer, dependable refrigerant distribution, and long service life when properly matched with compatible outdoor units. It is an ideal replacement or new installation option for Lennox systems requiring a cased horizontal evaporator coil in the 1.5-ton capacity range.

 

Key features: 

• 1.5 ton capacity for residential HVAC systems
• Horizontal airflow design for side-flow installations
• Factory-cased construction for durability and ease of installation
• OEM Lennox part for proper fit and system compatibility
• Designed for efficient heat transfer and reliable performance

 

Specifications:

Model: CH23-21
Lennox part number: 90J12
Type: Indoor evaporator coil
Configuration: Horizontal
Capacity: 1.5 ton
Cabinet: Factory cased
Application: Residential air conditioner and heat pump systems