Duct Doctor USA. 650 NE 29th St, Pompano Beach, FL 33064, USA. Overview. Duct Doctor USA is a professional air duct cleaning company. We work to help people improve their air quality. Whether it is in their home or place of business. We have been in business for 12 years. We are looking for a Field Technician to join the team. Job Qualifications. Experience is not necessary, but if the applicant has AC/air duct cleaning experience, it is a PLUS....