Heater

My Jimmy vents are making a clicking noise and the air goes from warm to cool so its like the shutters are open and closing from heat to cold air. Anybody know if I need a new temp control switch or will replacing the thermostat fix the issue.

My Jimmy vents are making a clicking noise and the air goes from warm to cool so its like the shutters are open and closing from heat to cold air. Anybody know if I need a new temp control switch or will replacing the thermostat fix the issue.


Any assistance here guys would be appreciated. Why am i not getting any responses?