Belt-Driven Air Handlers
Cost-efficient, high-quality commercial HVAC solutions
Commercial HVAC
Powerful Performance, Easy Maintenance
Williams belt-drive air handlers offer a cost-efficient, high-quality alternative to larger central station air handlers. With designs carefully crafted for high-static applications and easy maintenance, our line of dependable air handlers delivers reliable performance for demanding commercial environments.
Our belt-drive air handlers are available in both horizontal and vertical options for hydronic and direct expansion (DX) applications. Four models are available, ranging from 400 to 12,000 cubic feet per minute (CFM), giving you the flexibility to match your project requirements precisely.
Product Lines
Air Handler Models
Choose from horizontal or vertical configurations with standard or deluxe options to meet your specific application needs.
AH-B
HorizontalAH Horizontal Basic
Belt-driven horizontal air handler designed for high-static applications. Standard single-wall construction with easy maintenance access.
CFM Range
400 - 12,000
Wall Construction
Single-wall standard
AH-D
HorizontalAH Horizontal Deluxe
Premium horizontal configuration with double-wall construction option. Enhanced insulation and optional perforation for superior acoustic performance.
CFM Range
400 - 12,000
Wall Construction
Double-wall available
AV-B
VerticalAV Vertical Basic
Belt-driven vertical air handler for space-constrained installations. Ideal for closet or mechanical room applications with vertical airflow requirements.
CFM Range
400 - 12,000
Wall Construction
Single-wall standard
AV-D
VerticalAV Vertical Deluxe
Premium vertical configuration with double-wall construction. Features enhanced insulation and perforation options for demanding environments.
CFM Range
400 - 12,000
Wall Construction
Double-wall available
Specifications
Technical Overview
400 - 12,000
CFM Range
Horizontal & Vertical
Configurations
Hydronic & DX
System Types
Single or Double
Wall Construction
Optional
Perforation
4
Models Available
Explore configuration options for a wide range of commercial applications. Detailed specification sheets include certified cooling/heating data, dimensional drawings, and options to fit project requirements.
Request SpecificationsWhy Williams
Built for Commercial Demands
High-Static Design
Engineered specifically for high-static applications requiring powerful air distribution.
Easy Maintenance
Designed with service access in mind for simplified filter changes and component maintenance.
Flexible Configuration
Available in horizontal and vertical options for both hydronic and direct expansion (DX) applications.
Wide CFM Range
Four models available ranging from 400 to 12,000 cubic feet per minute.
Wall Options
Standard single-wall or optional double-wall construction with or without perforation.
Made in USA from Globally Sourced Parts
Manufactured at our 400,000 sq ft facility in San Bernardino County, California.
Need Engineering Support?
Our technical team can help you select the right air handler configuration and provide detailed specifications for your project requirements.