When your fan was made, we added a non-toxic insulating material to the motor. This helps to increase the life of your fan motor. Sometimes, the odor doesn't go away until the fan has been installed and used. We recommend running your fan on high for 24 hours in one direction and then another 24 hours in the reverse direction. If you continue to smell an odor, please contact us at 1-888-830-1326 (US) or 1-866-268-1936 (Canada).