Engineers of Air, MacroAir is the pioneer of the HVLS (High-Volume, Low-Speed) fan industry. Continually striving to push the boundaries and set the bar in engineering HVLS fans, MacroAir’s premium fan line, AirVolution-D, is on the leading edge of technology, simplicity and reliability. Located in San Bernardino, California all of MacroAir’s fans are assembled in the USA.