Hello Friends ❤️ Our service package includes the following: -Unlimited supply vent (1 unit/system) -system checkup -inspection of dryer vents - Insured and bonded You must consider duct cleaning if you have ·Residents with allergies and asthma ·Smoker in the household ·Hair and dander from pet ·Done duct cleaning more than a year ago We use large, portable or truck-mounted vacuum collection devices to suck dust and debris out of your ductwork. ... We will simply cut an access hole in the duct, insert the vacuum hose, and seal where they join as tightly as possible. Step by step: -Inspect the ducts -Create negative pressure -Agitate the dust -Clean the rest of the system *Payment after the job done when you're 100% satisfied with Service For booking and reservations pm me your Postal code and house size now Thanks..!