My furnace is virtually twenty years old, and I know it’s close to failing absolutely. I really don’t want to speculate the money into a totally new heating system. While my central heat is outdated, oversized, and doesn’t really keep the house comfortable, it still works. I admit that it costs me a great deal in energy bills every 30 days. Over the last few a long time, the monthly heating bills need steadily gotten higher. I am sure that my furnace is not really operating at peak efficiency anymore. It doesn’t put out as much heat as it once did. There are now cold spots everywhere in the house, and most of my heat is trapped up by the ceiling. I’ve noticed that the furnace runs for longer and additionally longer cycles, and it is gradually growing louder. When this kicks on, the lights in your dim and there’s a horrendous grinding noise. Every time, I cross my fingers and hope that this doesn’t malfunction. As soon when i smell burning hair, I recognize that it’s working. I make sure to convert the air filter every 30 days, and keep the furnace as clean as they can. I schedule professional HVAC maintenance for ones furnace every September. Every 365 days, my HVAC contractor warns me that my furnace is about to die, but I keep managing to obtain one more year out of it. According to my HVAC technician I could save a whole bunch of money by purchasing a extremely expensive furnace. He says my heating bills is significantly lower, and I wouldn’t be stuck paying for a bunch of repairs.