The furnace is the most crucial appliance during the winter and its breakdown is something that you would find it hard to even imagine. Suffering through the cold nights will make it dearer. Hence ensuring that your furnace is working properly and if not repairing or replacing it at the right time will not leave you in the cold. Replacing your furnace is a very hard decision to make. You will never feel like replacing it when it can be repaired and reused but making the right decision will save you a lot of money. If you furnace is more than 15 years then there is nothing to think about as it needs to be replaced. The life expectancy of a furnace is around 15 years if it is put to work more than fifteen years then it will lose its efficiency and you will end up paying hefty energy bills.
Even after repair your furnace is working consuming a lot of energy then it is better to replace it. The amount that you save from the energy bill will cover the cost that you have invested on a new furnace within a year or two. So make the right decision at the right time to save on energy bills before it is too late. If you find uneven heating in your house then it means that there is something wrong with your furnace. Some rooms may be too hot and other cold that means the furnace is not heating evenly. It means that your thermostat is not working properly. Call a professional and check the thermostat. If it can be repaired then get it repaired or else replace it with a new one.