The flame sensor was good and working correctly. We found the gas was not igniting on all burners. Rust was clogging the channel. Aaac service's technician resolved it fast. After cleaning out the rust it runs great. The heat is on again Saturday in Locust Grove. 
Issues we can fix fast
The furnace tries to come on but it won't light
The furnace flames come on but the blower doesn't
The blower runs constantly but no heat
The flames come on but go right out
The thermostat clicks on but the furnace never starts
The thermostat clicks on but the air conditioner won't start
The fan comes on but its not cooling
The fan on a/c isn't spinning
The air conditioner is buzzing and won't come on
The a/c makes a loud noise but doesn't start
The ac has a humming but not coming on
The air conditioner is running but not cooling
