There are three things that make a good Sub Floor Ventilation System:

Reliability and Ingenuity
What determines a reliable product is the test of time.Envirofan Subfloor Ventilation Systems has the foreknowledge from its predecessor Solarfan from the nineteen seventies and eighties of what works and what doesn't. To illustrate this point an architect firm from North Sydney contacted us to inquire of what could be done with a 'Solarvent' Sub Floor Ventilation product that only lasted 2 years. With our knowledge we were able to provide the solution.

With the emergence of others trying to copy what we have done at Envirofan, is the example of a customer who bought an 'Extravent' and told us that the product lasted around 6 months. It is obvious that these two companies are no longer in business. Time and frustration could all be avoided by using Envirofan Subfloor Ventilation systems.

Subfloor Ventilation System Design & Installation
Subfloor Ventilation companies usual practice is to use of flexible ducting (flexiduct) to various parts of the Subfloor area. This design just puts more stuff into the Subfloor space which makes it more difficult for tradesman to access services and is just another obstacle for airflow to travel around. Envirofan's Subfloor Ventilation installation methods does leave other ventilation companies in its wake as we believe this is not good practice. Where there is a Subfloor Ventilation problem area, we would install a Subfloor Ventilation System right at this point, in the exterior wall as shown in the illustration above and induce drier air from the sunny aspect of the dwelling. This can be achieved by the Envirofan Subfloor Ventilation System or by the installation of hi-flow vents. If there is a reduced external ground clearance to the finish floor level inside the home, then we would use a brick size Subfloor Ventilation System. If the ground clearance is higher than the internal floor level, which pest control companies would be alarmed at, as this would present a potential breach point for termites to penetrate the dwelling, Envirofan Subfloor Ventilation Systems has also got it covered in this particular instance.

Experienced Subfloor Ventilation Consultants And Installation Crews
As the consumer there would be nothing worse than for a Subfloor Ventilation company to assume that they know what they are doing but don't get the design or installation right. It would be expensive for the client to rectify with a de-installation of existing Subfloor Ventilation Systems which are incorrectly sized, with insufficient performance and inferior products.

From the outset Envirofan Subfloor Ventilation Systems does not have a problem with product integrity as it has passed stringent testing processes from the 1970's.

Envirofan subfloor ventilation systems in Brisbane, Gold Coast, North Coast, Coffs Harbour, Mid North Coast, Port Macquarie, Taree, Hunter, Newcastle, Sydney, Blue Mountains, Blue Mtns, Southern Highlands, Illawarra, Wollongong, Eurobodalla, Goulburn, Central West, Bathurst, South Coast, Melbourne, Hobart, Adelaide and Perth.

"If it's not Envirofan, then it isn't one."