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High Performance HVAC Doors

Headquartered in Monett, Missouri, Wintech, Inc., is a major supplier of custom access doors, view ports, louvers and insulated panels for the HVAC industry. Offering competitive pricing and lead times, Wintech continues to be the supplier of choice for many OEM air handling equipment contractors across the country.


  • 2", "3" & "4" Deep double Gasket Doors
  • Thermal or Non-Thermal frame options
  • Insulated with free rise foam
  • R values from 6.67 per inch depth
  • Positive and Negative pressure applications
  • Double door configurations
  • Wide range of skin material options
  • Up to 20" Water Column performance
  • Independently test including view ports and hardware*
  • Standard and FDA compliant EPDM gaskets
  • Reinforced extruded aluminum framing
  • Powder coat paint options
  • Positive door testing
    • 50 mph negative wind
    • No internal unit pressure
    • No leakage
  • Factory prep for hardware or fully installed hardware options
  • Includes a new view port design, independently tested to 20 inches Water Column
  • Continuous Stainles Steel piano hinges or XYX adjustable hinge options
  • Custom sizes