Do you provide carbon monoxide testing? FAQs » Do you provide carbon monoxide testing? May 19, 2017 No Comments Yes, carbon monoxide testing is part of our duct cleaning process. We provide it free of cost when you hire us for domestic or commercial duct cleaning services Previous Post Next Post You may also like July 24, 2017 Can your cleaners remove any type of stain from mattress? January 3, 2016 How effective is your carpet stain removal service? November 17, 2015 Why should I choose SK Cleaning?