Checked all of the safety sensors carbon monoxide burn test did not pass since it was two parts for 1 million however it is acceptable range Heat exchanger does have some flaming impingement and rusted eyelids, and this is suspected of where the monoxide is leaking from (see photos) Replaced dirty air filter 16 x 25 x 1 Inspected the heat exchanger and evaporator coil and the attic air duct are silver Mylar the line rubber tubing that needs to be hard copper piping Blower motor capacitor is low System is not equipped with the Air Scrubber Wrote up four options with fixing the necessary items and cleaning the system and also adding an air scrubber I recommend a gold membership since Hvac and Plumbing service routinely the house on a regular basis all the other benefits included