How much dust accumulates in a central heating system? September 29, 2014 No Comments It varies from one house to another for example: If you have pets, construction going on, unsealed roads & very dry weather etc…..Go to view how dusty some central heating systems accumulate dust. Previous Post Next Post You may also like August 18, 2018 Do you guys sanitise and deodorise the ducts after cleaning? September 29, 2014 Can we use our heater straight away after it has been cleaned? September 29, 2014 What type of payment methods do you accept ?