Why does my furnace thump?
Why does my furnace thump? This noise is typically caused by dirty burners. Once the burners are finally able to ignite, there is a larger volume of gas present, so the banging noise you hear is the sound of this gas finally igniting. If you believe your furnace suffers from dirty burners and delayed ignition, call for furnace repair right away. Why does my air vent rattle? Air vents can also make rattling noises when small items are inside them, such as nails or toys. This type of noise can also occur when you have a supply register that has...