HVAC and Industrial Duct

Harder’s sheet metal department specializes in:

  • Process exhaust systems
  • HVAC air delivery systems
  • Cleanroom air filtration systems
  • Dust collection systems
  • Pre-fabrication
  • Modular construction

Moving Air for a Complete Mechanical Installation Solution

Harder provides HVAC and industrial duct fabrication and installation for all major industries. From preconstruction as a valued trade partner utilizing our in-house BIM and constructability expertise, to all our field installation work, Harder can do it all.

Harder’s sheet metal leadership team brings years of experience to all cost estimating and alternate material and equipment considerations. Our laser scanning and BIM team develops accurate models, and our industry leading Quality Control programs ensure all our ductwork installations meet or exceed even the most stringent project specifications.

Services Offerred:

  • Duct Fabrication and Installation
  • Galvanized, Stainless, Aluminum, Mild Steel, and RFP Ductwork Construction
  • HVAC Controls
  • HVAC Design
  • Conceptual System Budgeting
  • Equipment Selection, Installation, and Seismic Restraint
  • Detailing and BIM
  • Pre-fabrication and Spooling Assemblies
  • Air Balance and Duct Testing


  • Commercial Buildings
  • Data Centers
  • Food & Beverage
  • Health Services
  • Higher Education
  • Biopharmaceuticals
  • Semiconductor
  • Aerospace & Automotive
  • Chemical Manufacturing
  • Manufacturing
  • Mining
  • Oil Terminals
  • Power Generation
  • Pulp & Paper
  • Refineries
  • Renewable Energy


Safety is at the heart of quality and performance. Our customers trust us to manage safe and successful projects.
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