At Williams, we offer one of the most comprehensive lines of fan coils and air handlers in the business. Superior construction and flexible, reliable performance are trademarks of our commercial products. For the quality you expect, you can count on Williams.

For concealed or exposed applications, our Vertical Stack Series units will accommodate a wide range of configuration requirements. Five models including TwinPack ditto / 200-1200 CFM.
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For concealed or exposed ceiling applications, these top quality units come with multiple options and can be ordered with or without return-air plenums. Six models / 200-1200 CFM. For high static requirements, see Hi-Performance.
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Floor-mounted for concealed or exposed applications, our Vertical Series offering promises the right standard and optional equipment for your application. Six models / 200-1200 CFM. Low-Silhouette models also available. Four models / 400-600 CFM. For high static requirements, see Hi-Performance.
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Horizontal and Vertical models designed for concealed or exposed applications. These Hi-Performance units come in a wide range of cabinet styles and coil options and are designed to meet high static requirements. Fifteen combined models / 300-2200 CFM.
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Horizontal and Vertical models designed for concealed or exposed applications. These Hi-Performance units come in a wide range of cabinet styles and coil options and are designed to meet high static requirements. Fifteen combined models / 300-2200 CFM.
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Available as Horizontal and Vertical models for both hydronic and DX applications, these rugged, dependable air handlers can be ordered as standard or double-wall units, either perforated or solid. Nine models / 800-12000 CFM.
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