Brainchild of Envirofan veteran David Marinos in 2001, production began of the EF Quad-Fan system, which became an intuitive product for the Sydney and Melbourne (high density) sub-floor ventilation industry.
Category: Envirofan Fan-Forced Vent
Under House Sub Floor Ventilation Systems for Sydney and Melbourne from Envirofan
Cul-de-sac ventilation in Sydney or Melbourne refers to an under house ventilation pocket of sub floor space which does not have any exterior vents on the external wall due to various factors:
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Brick Size Sub-floor Ventilation System
A tradesman uses a hammer not a screwdriver to drive in a nail. It is the same for brick size sub-floor ventilation systems as they have a specific application, such as where the outside ground level is a little lower than the inside floor level usually indicating a reduced sub-floor area where it can get quite cramped. Brick size sub-floor ventilation systems are perfect for this application.
Quad Fan Sub-Floor Ventilation Systems a Better Design to Single Fan Units
In 2001 Envirofan developed the quad fan sub-floor ventilation system from its tried and tested product from the 1970’s which was of the Solarfan sub-floor ventilation system range.
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