A Redditor recently sought help on r/hvacadvice because one of the burners on their gas furnace was producing a flickering flame. "I have sputtering flames, it's Friday, and it's cold out," said ...

A flickering flame could indicate a more serious problem with the furnace -- and that it should be inspected by an HVAC (heating, venting, air conditioning) technician. 3. With the furnace operating ...

A flickering flame could indicate a more serious problem with the furnace -- and that it should be inspected by an HVAC (heating, venting, air conditioning) technician. 3.

A flickering flame could indicate a more serious problem with the furnace -- and that it should be inspected by an HVAC (heating, venting, air conditioning) technician. 3.