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 June 12, 2019 What is Your Duct Cleaning Procedure? April 12, 2017 Why duct cleaning is important? May 30, 2019 Do You Use Chemical-Free Cleaning Solutions?