I hear a click coming from my furnace but my carafe stat is set to the "off" position.? Why is my furnace still clicking when the thermos stat is...

Why is my furnace still clicking when the thermos stat is set to the "off" position? I it uncertain?
What would inflict mould to grow on bedroom...
Answers:    if you have an eletric igniter that could be your problem your pilot is not stayin lit so your igniter keep clickin almost like a liter its any ur ignitor is bad or your gas spigot is not opening on pilot within that case you would hold to replace the gas valve...even when thermo stat not callin pilot will still tryin lite
Cementing an outside door?