Envirofan sub-floor ventilation systems is a tried and tested product from its predecessor Solarfan who was the first fan-forced company to develop brick size and terracotta vent size sub-floor ventilating systems. Solarfan being the market leader of its time had rigorous testing carried out by Unisearch in the 1970’s. Unisearch was a very intensive testing and research facility, contracted to research and examine commercial products. Consulting and expert opinion from UNSW is now known as UNSW Consulting and Unisearch, a division of New South Global. This accreditation was a fundamental testing process, which most sub-floor ventilation systems do not comply to.
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