Masterduct offers a wide range of our well-established spiral hoses in various types to customers in North and South America. The Flexmaster U.S.A.® product line stands for yet another speciality - our sound-reducing HVAC hoses for all heating, ventilation and air-conditioning applications..


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Flexmaster U.S.A.® HVAC Product Range

The Best Air Distribution Products in the Industry.

  • We manufacture insulated, acoustic and non-insulated flexible duct for HVAC applications.
  • The Flexmaster U.S.A.® Sheet Metal Fittings are unsurpassed in quality and performance.
  • The Flexmaster U.S.A.® "Inspector Series" Access Doors meet or exceed the highest quality standards for HVAC access doors.

Masterduct, Inc., located in Houston, TX, is a leading commercial HVAC flexible duct and sheet-metal fitting manufacturer with over 35 years of success in the industry. Our renowned Flexmaster U.S.A.® HVAC product line of Air Distribution Solutions includes: flexible ducts, acoustical ducts, sheet-metal fittings, access doors, low leakage access doors and accessories for both commercial and residential applications.

Employment Opportunities

Masterduct, Inc. is seeking a highly motivated sales professional to cover the Flexmaster U.S.A HVAC product line for the Western Region of the United States.  For consideration please forward your resume, cover letter and salary history to  or fax to 713-939-8441.  Click here for details.

Find a Representative

At Masterduct, Inc., we pride ourselves in knowing that you will have the best representatives and distributors to assist you.
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