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 Products

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.

Flexmaster U.S.A.®, 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.

Find a Representative

At Flexmaster U.S.A.®, we pride ourselves in knowing that you will have the best representatives and distributors to assist you.
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