The answer to 'air duct cleaning buildup' is that over time, dust, dirt, and debris can accumulate in your home's air ducts, leading to reduced airflow and decreased HVAC efficiency. Common causes include pet dander, construction dust, and poor air filtration. Symptoms may include reduced airflow, increased allergies or asthma symptoms, and higher energy bills.
The solution is to have your air ducts professionally cleaned every 3-5 years, or more often if you have pets or have recently completed a home renovation project. Professional duct cleaning uses specialized equipment to thoroughly remove built-up debris and restore proper airflow. DIY duct cleaning is not recommended, as it can be difficult to access all areas of the ductwork and may cause further damage if done improperly.