Resources
Document Library
Installation manuals, submittals, drawings, spec sheets, and cut sheets for Williams HVAC products.
IOM Manuals
Installation, Operation & Maintenance
Complete installation and maintenance guides for proper setup and long-term performance.
Product Specifications
Spec Sheets & Cut Sheets
Detailed specifications, dimensions, and performance data for product selection.
Fan Coil Model Identification System
Reference guide for decoding Williams fan coil model numbers, including cabinet types, systems, voltages, and configurations.
High-Performance Horizontal Ceiling Mount (HH Series)
Specifications for HH-B, HH-D, HH-F, HH-R, and related models.
Horizontal Ceiling Mount (LH Series)
Specifications for LH-B, LH-D, LH-E, LH-F, LH-Q, and LH-R models.
High-Performance Vertical Cased (CV Series)
Specifications for CV-B, CV-D, CV-F, CV-R, CV-H, and CV-O models.
Belt-Driven Air Handlers
Specifications for AH and AV series belt-driven air handlers.
ComforTRAC System
Integrated piping system specifications and configuration options.
Project Documentation
Submittals
Standard submittal packages for project approvals and documentation.
Need custom submittals for a specific project?
Request Custom SubmittalCAD Files
2D Drawings
AutoCAD DWG files for integration into your project drawings.
Dimensional Drawings
Product Drawings
PDF dimensional drawings for fan coils, air handlers, and blower coils.
AH Horizontal Belt-Driven Air Handler
Dimensional drawings for AH series horizontal belt-driven air handlers, sizes 040-120.
View ProductAV Vertical Belt-Driven Air Handler
Dimensional drawings for AV series vertical belt-driven air handlers, sizes 008-030.
View ProductBH Horizontal Direct Drive Blower Coil
Dimensional drawings for BH series horizontal blower coils, sizes 008-040.
View ProductBV Vertical Direct Drive Blower Coil
Dimensional drawings for BV series vertical blower coils, sizes 008-040.
View ProductHH-B Horizontal Basic (006-012)
Dimensional drawings for HH-B high performance horizontal basic fan coils, sizes 006-012.
View ProductHH-B Horizontal Basic (015-022)
Dimensional drawings for HH-B high performance horizontal basic fan coils, sizes 015-022.
View ProductHH-D Horizontal Deluxe - Front Supply / Bottom Return
Dimensional drawings for HH-D deluxe with front supply and bottom return, sizes 006-022.
View ProductHH-D Horizontal Deluxe - Front Supply / Rear Return
Dimensional drawings for HH-D deluxe with front supply and rear return, sizes 006-022.
View ProductHH-E Horizontal Bottom Supply
Dimensional drawings for HH-E horizontal with bottom supply and return, sizes 006-022.
View ProductHH-F Horizontal Flush
Dimensional drawings for HH-F horizontal flush mount fan coils, sizes 006-022.
View ProductLH-B Ceiling Mount Basic
Dimensional drawings for LH-B ceiling mount basic fan coils, sizes 002-012.
View ProductLH-D Ceiling Mount Deluxe - Front Supply / Rear Return
Dimensional drawings for LH-D deluxe with front supply and rear return, sizes 002-012.
View ProductLH-D Ceiling Mount Deluxe - Front Supply / Bottom Return
Dimensional drawings for LH-D deluxe with front supply and bottom return, sizes 002-012.
View ProductLH-F Ceiling Mount Flush - Bottom Supply / Bottom Return
Dimensional drawings for LH-F flush with bottom supply and bottom return, sizes 002-012.
View ProductLH-F Ceiling Mount Flush - Front Supply / Rear Return
Dimensional drawings for LH-F flush with front supply and rear return, sizes 002-012.
View ProductLH-F Ceiling Mount Flush - 8" Extension
Dimensional drawings for LH-F flush with 8" extension, sizes 002-012.
View ProductLH-R Ceiling Mount Rear Plenum
Dimensional drawings for LH-R ceiling mount with rear return plenum, sizes 002-012.
View ProductLH-R Ceiling Mount Bottom Return Plenum
Dimensional drawings for LH-R ceiling mount with front supply / bottom return plenum, sizes 002-012.
View ProductLH-X Low Profile Horizontal - Size 010
Dimensional drawing for LH-X low profile horizontal, front supply / open return, size 010.
View ProductLH-X Low Profile Horizontal - Size 012
Dimensional drawing for LH-X low profile horizontal, front supply / open return, size 012.
View ProductCV-B/D Cased Vertical
Dimensional drawings for CV-B and CV-D cased vertical fan coils, sizes 004-008.
View ProductCV-F Cased Vertical Front Return
Dimensional drawings for CV-F cased vertical with front return, sizes 006-022.
View ProductER-B/D Easy Riser Vertical Stack
Dimensional drawings for ER-B and ER-D easy riser vertical stack fan coils, sizes 003-012.
View Product3D Models
Revit / BIM Files
Revit families (.RFA) for integration into your BIM projects. Download individual sizes or complete ZIP packages.
LH-X Low Profile Horizontal (Front Supply / Open Return)
Revit families for LH-X low profile horizontal fan coils, front supply / open return configuration.
View ProductLH-D Horizontal Deluxe (Front Supply / Rear Return)
Revit families for LH-D low static and HL-D high static horizontal deluxe fan coils, front supply / rear return configuration.
View ProductLH-B Horizontal Basic
Revit families for LH-B low static and HL-B high static horizontal basic fan coils.
View ProductHH-R High Performance Horizontal (Return Plenum)
Revit families for HH-R series horizontal fan coils with rear return air plenum.
View ProductAH/AV Belt-Driven Air Handlers
Revit families for AH horizontal and AV vertical belt-driven air handlers.
View ProductBH/BV Direct Drive Blower Coils
Revit families for BH horizontal and BV vertical direct drive blower coils.
View ProductNeed Revit files for other products?
Contact our engineering team for additional BIM content or custom configurations.
Request BIM FilesNeed Additional Documentation?
Contact our engineering team for custom specifications, BIM files, or project-specific documentation.
Contact Engineering