Aetna is one of very few companies now authorized to install the Sentricon™ System in the GTA market. This advanced technology eliminates the entire termite colony while using far less termiticides than traditional liquid treatments. Better for you and our environment. Traditional liquid treatments can pump up to 2,000 litres of chemicals into a single residence into the soil around your home. Aetna now offers a smarter, more responsible solution. With the Sentricon™ System , we provide: