The main lines need to be brushed every 3 to 6 years, depending on the build-up of dirt. When you start to see a dirty filter, you know that a good brushing service is needed. At DuctsCare, we understand vents and ducts like no other. Our years of expertise in HVAC and in using advanced cleaning equipment helps us in delivering high-quality cleaning services. We offer brushing services that encompass multiple processes right from a thorough inspection to deep cleaning. We take immense care to protect your vents and ducts while using our equipment.