Indisposed Furnace

Your furnace may be trying to tell you something if you hear clicks, pops and booms. Here’s a look at what these sounds probably mean, and when to seek professional HVAC service. Clicking sound before the gas ignites: The flame sensor, which tells the furnace when gas is lit, is probably coated with a layer of grime and delivering bad information to the indisposed furnace. The sensor is rod that is surrounded by a flame when the gas ignites. You […]