We are a professional Duct-Air Vent Cleaning company with a Pringles Power Vac truck that pulls 12,000 cubic ft of air. Our 10 inch vacuum hose is hooked into your heating and air vents creating a negative pressure in the entire vent system. Meaning we are now sucking where your system is normally blowing!Then we use a 200 pound air compressor with various brushless adapters to air wash your...