Any homeowner in New Jersey needs to have a powerful heating system to get through the winters. In most cases, that heating system is a gas furnace, which is the most common type of residential heater found in homes across the country. Gas furnaces are energy efficient, powerful, and reliable. Of course, no heating system can be 100% reliable, and in this post we’re going to look at one furnace issue you may have—a furnace that keeps shutting down early before it can evenly warm your house.