What should be avoided when installing ductwork to ensure good air quality?

Allowing dust or debris to enter the ducts is essential to avoid because it directly impacts the air quality within a building. When contaminants like dust, dirt, or mold enter the duct system, they can circulate throughout the living spaces, leading to respiratory issues and allergic reactions among occupants. Maintaining clean ducts ensures that the air being distributed is free from these pollutants, promoting a healthier environment.

Other aspects, such as leaving joints unsealed or using improper insulation materials, can also compromise air quality, but the introduction of dust and debris poses an immediate risk to both the HVAC system's efficiency and the health of the building's occupants. Therefore, ensuring that the ductwork is sealed properly and that proper measures are taken to prevent contaminants from entering the system is crucial for maintaining good air quality.