Furnaces can sometimes along with head aches, especially unpredicted expenses cold outside and you want it more than ever. To you don't need furnace repair services on a winter day, save a little time and money and learn how to repair your furnace and guarantee that it stays in a good circumstance. First of all, every single of the major causes you might need furnace repair services: if you do have a gas furnace or heater your problems might involve the thermocouple, the pilot right or some component to the electrical system. So that you can get access to the pilot burner you need to pull the door away from furnace housing or, with regards to the situation, remove the panel that covers the pilot and gas burners. In an assembly at the front of the furnace just be able to find everything you should need to start your repairs: the pilot light controls, reset buttons, gas valves and the thermocouple. If your gas furnace just won't run, check for blown fuses or tripped circuit breakers at main entrance panel, at separate entrance panel, and on or in furnace trying to restore the circuit. It is still not receiving power then it's time to get some professional repair systems. Also, make sure the the gas valve is fully open actually receiving fuel. While you're here, check for gas leaks. Here's what you should do: stir up a mixture of liquid detergent and water and paint this mixture on the gas supply line along its connections and valves. If anyone could have gas leaks then the soapy water will bubble. To repair it. Try tightening the leaking connection with a pipe wrench, but be careful not to over-tighten the connection. If there's not enough heat, maybe the thermostat is set too low or you need to clean out or replace the filtering. Also make sure all registers are open, or aren't blocked by tugs, drapes or furniture. If the filer is dirty or the motor/blower needs lubrication your furnace may turn don and doff repeatedly. However, if the burner is dirty require to professional furnace repair companies. If you need to replace a thermocouple here is what you should do: Unscrew the copper lead and connection nut inside threaded connection to gas line. Under the mounting bracket at thermocouple tube, unscrew the bracket nut that holds the tube in place. Then insert the new thermocouple and be sure the steel tube is up can the copper lead is down. Under the bracket, screw bracket nut over tube. Push link nut to threaded connection where copper lead connects to gas line. Certain that you connection is clean and dry and then tightly screw nut into place, but do not over-tighten it. If the furnace is too noisy then the belts are damaged or are too loose or too close. In this case you need substitute or adjust them, depending on the problem. Also the motor or blower mioght need lubrication, so if the they have oil ports you can lubricate them. However, if the burner is dirty, there isn't much you can do, so you'll want to call a guru.