Bennett Furnace Cleaning Bennett Furnace Cleaning offers quality residential and commercial HVAC cleaning service to the Washington, IL area. A clean air flow system not only improves air quality, it also saves you money on energy costs. We specialize in complete indoor air quality solutions, through the use of advanced cleaning technology and decades of first-hand experience. Learn More About Bennett Furnace Cleaning: Furnace cleaning - Furnace duct cleaning, furnace cleaning, furnace inspection, and burner cleaning. Duct cleaning - Air duct cleaning, heating duct cleaning, air conditioning duct cleaning, dryer vent cleaning, and intake vent cleaning. Air conditioner inspection - Air conditioner duct cleaning, air conditioner flush, Freon check, outside AC unit check-up, ac unit cleaning, and AC vent cleaning. Evening and weekend appointments are available at no extra charge.