Does Duct Cleaning make a lot of dust in the house ? September 29, 2014 No Comments No the dust is kept to a minimum we use vent covers to collect the dust. Previous Post Next Post You may also like March 31, 2018 Why do I need a detailed cleaning of my HVAC system? September 29, 2014 How much dust accumulates in a central heating system? September 29, 2014 Do you sell the covers or grilles that go over my floor duct outlets?