Important Signs You Need a Furnace Repair Service 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 warning signs that your heater needs tune up, so you should spot problems before they shorten your furnace's life expectancy. The first manifestation that there is a potential problem with your furnace is a neglected or ignored 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, then it is time to contact a furnace technician in Philadelphia to help you out. You filter likely will need to be replaced, and experts actually recommend replacing filters every month. When water is pooling around your home furnace, it might be caused by clogged condensate. If you smell gas, gas leak happens, and you need to shut-off your furnace right away by opening up your furnace, finding the gas supply valve, and turning it off. Avoid using gadgets or appliances, turning on light switch, and lighting matches or lighters that may start a fire, and contact a local professional furnace or HVAC technician as soon as possible. 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. Another warning sign that your furnace needs repair is if you need to turn the thermostat higher and higher to get the heat you need that is indicative of furnace failure. Thermostat issues may include loose wiring, blown fuses, or tripped circuit breakers. Another obvious sign that your furnace might not be working is a sudden or unexpected rise in your utility bill, that is why you need to call a professional HVAC technician to rule out where the problem is. If your furnace is blowing cold air, then there must also be a problem with your furnace's pilot light or thermocouple that needs to be checked by your HVAC technician. 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. Obviously, if your HVAC is older than 15 years, you really need a new one than waste your money on repairs and monthly high energy bill.