Important Signs You Need Furnace Repair The average life expectancy of a furnace is about fifteen years, and it is important to have regular maintenance to ensure that it runs to its maximum level. Listen and watch for signs your furnace needs tuning and spot problems before they shorten the life span of your furnace. The first sign of furnace potential problem is when you have ignored or neglected your furnace for a year or more. When was the last time your furnace was checked by a professional HVAC technician? If your answer is one year or even longer than that, call a trusted, reliable, and reputable professional furnace technician immediately for the annual maintenance. Most HVAC service companies offer monthly services for filter cleaning and replacement, and annual check-ups. Your furnace can potentially leak either water or gas, and f you see water pooling under or around your furnace, this is possibly caused by a clogged condensate line that must be addressed by a professional furnace repair technician. Gas leak can be manifested when you smell gas while your furnace is on, so shut-off your furnace immediately by opening it up, finding the gas supply valve, and turn it off. Do not light up any matches, turn on lights, or use appliance near your furnace, and call a local professional furnace technician as soon as you can. Your furnace needs repair if you hear strange sounds at night such as a scrape, thump, or bang. If the air blows weak, then that means problems with the motor, belts or fans, that require inspection and repair made by a professional furnace repair technician. An indicative sign of thermostat failure is when you need to turn it higher and higher to get the heat you need for your home, and this is a clear warning that your furnace needs repair. Malfunctioning of thermostat include tripped circuit breakers, loose wiring, and blown fuses that may pose greater risk for shock. A sudden spike on your electricity bill means that your HVAC is malfunctioning and it is the possible culprit, so better contact a professional HVAC technician to rule out the problem. The same is true if your furnace is blowing cold air because it might have issues with pilot light or thermocouple. A clear indication that your furnace is over cycling include kicking on and off furnace, caused by improper air circulation, clogged filter, or thermostat complications. Do not waste your money on repairs and monthly high energy bill, you need a new HVAC system is yours is more than 15 years old.