High-Efficiency Fan Coils
Broad configuration flexibility for commercial projects
Hydronic HVAC Systems
Premium Comfort, Quiet Operation
A fan coil controls your environment by circulating air around your space and regulating indoor humidity. As a complement to your hydronic system, our compact fan coils provide premium comfort, quiet operation, and energy-efficient performance.
Williams offers fan coils to industrial and commercial markets with a broad range of configurations and size options. With over 100 years of engineering expertise, we can help you find the right solution for your heating and cooling needs.
Product Lines
Fan Coil Configurations
From horizontal ceiling mounts to vertical closet units, find the perfect configuration for your project requirements.
HH Series
High-Performance Horizontal Ceiling Mount
Ideal for high-static environments. Nine models ranging from 600 to 2,000 CFM with multiple cabinet styles and coil options.
Available Models
LH Series
Horizontal Ceiling Mount
Versatile ceiling mount solutions with six models ranging from 200 to 1,200 CFM for standard configuration requirements.
Available Models
ER Series
Vertical Stack
Low-profile vertical stack units for wall-mounted applications. Five models from 300 to 1,200 CFM with efficient air coil and motor-blower assembly.
Available Models
LV/LS Series
Vertical Wall Mounts
Concealed wall application design. Six models from 200 to 1,000 CFM plus four low-silhouette models at 400-600 CFM.
Available Models
CV Series
High-Performance Vertical Cased/Closets
Ideal for offices and condos requiring high-static performance. Three models from 400 to 2,200 CFM with multiple coil options.
Available Models
DX Series
Refrigerant DX
Refrigerant-based solution for strategic needs. Space-saving design with easy service access and factory-installed options.
Available Models
Why Williams
Built to Perform
Energy Efficient ECM Motors
Variable speed electronically commutated motors reduce energy consumption while maintaining optimal airflow.
Quiet Operation
Engineered for whisper-quiet performance, ideal for hotels, hospitals, and residential applications.
Multiple Configurations
A broad range of configuration options to meet project requirements across commercial and multi-family applications.
NSF-61 Certified
Fan coils rated for potable water systems, enabling innovative integrated piping solutions.
Easy Installation
Factory-assembled units with pre-wired connections reduce on-site labor and installation time.
Made in USA from Globally Sourced Parts
Manufactured at our 400,000 sq ft facility in San Bernardino County, California.
Applications
Trusted Across Industries
Williams fan coils are installed in homes, hotels, universities, and hospitals. Our products are distributed nationwide through a network of authorized representatives, wholesalers, and retailers.
Ready to Specify?
Our team of experts can help you select the right fan coil configuration for your project. Contact us for technical guidance and detailed specifications.