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 Can we use our heater straight away after it has been cleaned? September 29, 2014 Do you sell the covers or grilles that go over my floor duct outlets?