Waste oil warming and waste oil burning is Kroll center business.This implies the accuracy consuming of waste oils, utilized or unused auto or vegetable oils for homegrown or business warming. Space heating with waste oil heaters and hydronic heating from reused waste and utilized oils is how we help you. Contact Us For More Information Phone Number: +61 39791 3082 Email : sales@krollheat.com Address : Factory 6, 4 Kirkham Road, Dandenong , VIC 3175