LINT BUILDUP REMOVAL NO FURTHER A MYSTERY

I hired Carpet Tech to position an ozone device in a home I used to be looking to provide. The owners smoked in it plus the odor was horrible. After 2 days in the device, the scent was long gone! The technician I worked with was exceptional.We also detach and clean up the dryer vent and outdoors exhaust vent. Last but not least, we reattach the duc