Your oil furnace or oil boiler has shut down and the house is getting cold. There is a small red reset button on the burner, and pressing it is tempting. Sometimes it does restart the
Water pooling near your furnace means water is escaping from somewhere it should not. Most furnace leaks trace back to a handful of known causes. Some are simple, and a few are serious. Here is
Your furnace runs but the house stays cold, or it won’t turn on at all. A few simple checks are worth doing before you call for service. If you ever smell gas, skip all of
The heat exchanger is the part of a furnace that keeps the gases from the burners separate from the air blown through your home. A crack in it is a safety concern, not just a
A blinking light on a furnace’s control board is often the furnace telling you what it detected. Many furnaces flash a short pattern that stands for a fault code, and you can usually read it
