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 23, 2016 Do you perform carbon monoxide testing too? May 19, 2017 Where are your duct cleaning services available? June 17, 2018 Do you provide duct sealing services?