VENTIS | 178 followers on LinkedIn. Ventis creates a cleaner, greener, and more efficient home. We offer FREE home assessment's around Sydney & Canberra. | Ventis Home Ventilation was formed in 2010 on the Northern Beaches of Sydney. The company has grown rapidly over 10 years to being the market leader in Australia for home ventilation systems. Ventis the market leader in Australia for Home Ventilation Systems with over 10,000 families around Australia enjoying the benefits the product brings.