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 18, 2019 What are the benefits of professional duct cleaning? January 25, 2016 When do you close? March 31, 2018 What all duct cleaning services do you provide?