Do you guys provide Free Carbon Monoxide Testing? Home » FAQs » Do you guys provide Free Carbon Monoxide Testing? Yes, we do provide FREE duct carbon monoxide testing with our deluxe ducted heating cleaning & servicing. Also, as part of duct repair service we do provide Free carbon monoxide testing. May 5, 2016 at 3:37 am No Comments Previous Post Next Post You may also like January 21, 2016 Are all your cleaning experts insured? January 26, 2016 What is your process for central duct cleaning? June 12, 2019 What is Your Duct Cleaning Procedure?