Precision Air Duct Cleaning specializes in the cleaning aspect of HVAC work and dryer vents for the greater Los Angeles and surrounding areas. We do not do any repairs or alterations and therefore unlike most other air duct cleaning companies we will never try to up sell you on any extra services. If any additional services are needed we can refer you to a specialty contractor to ensure the job is done right. We also specialize in replacing filters, cleaning bathroom exhaust fans, air duct sanitation using a nontoxic for humans, biodegradable biocide applied with a thermal fogger and last but not least, amazing customer service!