Air Duct Cleaning Specialists, Residential & Commercial, Fire & Smoke Jobs Dirty Ductwork can contain: Dust & Dirt Accumulations, Drywall Dust, Construction Dedris, Animal Hair & Dander, and other unhealthy contaminants We use the most powerful, efficient, cost effective unit on the market: the Power-Vac Truck with 12,000+ CFM suction power and 200-215psi air pressure (all powered by truck)....