Damper (includes HVAC Damper)

Damper (includes HVAC Damper)

Manufacturers:  Metal: past and present

  • Air Balance Inc.
  • Aire Technologies
  • Alan Manufacturing Inc.
  • Alnor (Europe)
  • Arrow United Industries
  • Boss Products
  • Care Air
  • Carrier
  • Chicago Blower
  • Cook Mfg
  • Dayton
  • Enverex
  • Famco
  • Fan Air
  • Greenheck
  • Honeywell
  • IB International
  • Johnson Controls
  • Lathrop Trotter
  • Lennox
  • Lloyd Industries
  • Loren Cook
  • Mainstream
  • Mestek: MCDLG
  • Nailor Industries
  • Pottorff
  • Prefco-JohnsonTech
  • Pulsco (gas and liquid)
  • Ruskin
  • SP
  • Tamco
  • Trane
  • United Enertech
  • USAire
  • Vairtech
  • Venco
  • Ventech
  • Ventex
  • Young Regulator
  • Zone First

Manufacturers:  Fiberglass: past and present

  • Belco: NOV
  • Daniel Mechanical
  • Dayton
  • MK Plastics
  • Perry Fiberglass
  • Ruskin
  • Spunstrand
  • Viron


Manufacturers:  PVC: past and present

  • Alnor (Europe) (PVC and PPL)
  • Harrison Machine & Plastic Corp
  • IPEX
  • MK Plastics
  • Plastec Ventilation
  • Ruskin
  • Simtech
  • Spears

Blast Gate: Chicago Plastic Systems and others

Damper: Butterfly Damper (includes HVAC Damper) (internal link)

Note:  Dampers can be made at project site with steel, or fiberglass at the fiberglass manufacturer’s shop.

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