Is Tea Tree Oil Safe to use ? September 29, 2014 No Comments Yes, Tea Tree Oil is safe, it contains natural germicides. Previous Post Next Post You may also like March 31, 2018 Why do I need a detailed cleaning of my HVAC system? September 7, 2017 How can duct cleaning improve the air quality inside the house? September 29, 2014 Do you sell filters for the return air vents?