HVAC uses of flexible air duct have grown exponentially over the last two decades, all over North America. Contractors and installers say they like it, and some find it indispensable. It has changed ...

In this paper, we investigate the pressure and airflow tolerances of flex ducting as it pertains to air duct cleaning. Flex ducting is a type of ductwork that consists of a flexible inner core covered ...

Alpha Degree expands its UL-certified HVAC product line and announces plans for a new Richmond Hill facility to meet rising North American demand in 2026. RICHMOND HILL, ON, CANADA, December 31, 2025 ...

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