Incorrectly maintained HVAC systems could cause high energy bills and equipment that has an elongated life. This can put you and your family in danger of suffering from hypothermia, or any other serious illnesses.
If you're turning up the thermostat to make yourself comfy but are not seeing the roar of cool air coming from vents, then it's necessary to consult an expert in heating repair.
Furnace Won't Turn On
If the furnace you have isn't coming on, the first thing to do is check that all electric power for the appliance is in place. Inside your fuse box, check for circuit breakers that regulate the operation of your furnace. It might be cut off, either by an accident or due to a problem within your equipment. It is possible to switch it to the on option, then test running the heater again.
Also, make sure that your gas line is unlocked. If the gas valve is closed, it's the most dangerous safety risk and will keep your furnace from starting in the first place. It is easy to determine if it is by looking at the little handle that is located directly or perpendicularly to the pipe. It must be in the open position, but it might have been shut off by workers working on a utility line or by accident.
The possibility is that your pilot light isn't working properly in the case of an older conventional furnace. If this is the case, you should refer to your manual of use for directions for relighting the pilot light. Take off the front of your furnace. Look for buttons. It will turn off the Pilot Light. If you suspect a more serious problem, it's best to call a professional. A specialist will review the burner's condition, and will make the necessary repairs.
Furnace will not stop running
The furnace needs to be running until it is needed to heat your house, and should then be turned off. If it's not running cause inconvenience for you, but also your house doesn't get heated properly and it could result in a rise in your energy bills.
Fortunately, there are several options in order to solve the issue prior calling a heating repair technician. The first step is to ensure that the switch that powers your system is on. It's the switching on every furnace next to the appliance. Make sure you check the fuse or circuit breaker for the furnace.
There is a third possibility that somebody inside your home might have set the thermostat way too excessively high and the furnace is constantly running to meet that. If this is the case, just lower the thermostat setting.
If you're still having this issue, you may have the sensor or ignitor dirty that is fairly simple to replace and shouldn't cost a couple of dollars. The first step is to shut off the gas in the furnace. Next, take out from the front panel of your unit in order to reach the sensor or ignitor (refer to the manufacturer's user manual to locate the details on where it is located).
Clean the ignitor and sensor. This should resolve the problem If it doesn't, you might need the assistance of an expert in order to determine and correct the issue.
Furnace smells
If you are the first to turn your furnace on, it may feel a burning or smokey smell. This usually happens due to dust that has accumulated in the furnace and is being forced into air ducts through the heating system. It is likely to disappear in a matter of hours. If it isn't, shut off your heater and open a few windows to allow airflow into the house.
The heater could be in trouble If you are still smelling burnt oil or smell of plastic. When older heaters are used, the insulation for wires can degrade and break, exposing bare electric wires that are tangled against each other as your heater is operating. If you suspect this is your issue, consult a professional immediately.
Mold is likely to be increasing in the air ducts, if you experience an unpleasant smell. This is why you should get your act together as fast as is possible in order to prevent serious health issues.
It is possible for sulfur to cause rotten egg smells. could pose a danger to your safety. The gas leak can trigger the smell. It is recommended to turn the system off and keep away from the house until the technician inspects and cleans it. Gas lines are likely to leak. This must be repaired immediately.
Furnace Won't Turn Off
The thermostat controls the speed at which your furnace is running and can turn it on or off when needed. When a thermostat fails, it can cause your heater to operate continuously. For a quick check begin by comparing your temperature settings to ambient temperature. If the temperature setting has a higher value than the room air temperature the heat will continue running until it reaches the setting temperature. If this is the situation just changing it to "auto" will resolve your problem.
Another problem that can be found is a clogged air filter. Air filters that have become dirty hinder the flow of air through the furnace, and even over that heat exchanger. The high limit switch might be triggered, causing the lockout of the furnace. It's typically a sign that you have a bigger issue which requires professional assistance.
At the end of the day, it could be that the fan limit switch was heater and furnace repair changed to manual. To check this, pull off the front panel cover on the furnace. Look for a white button that controls the fan limit switch. It must be reset to automatic when it's pushed to the left.
If the heat isn't turning off after you checked these items, then you might need to replace the limit switch for your fan or thermostat. Only a professional in heating with a good understanding of electricity is in a position to solve these issues. If you attempt to fix these issues yourself can put yourself at risk of damaging the heating equipment or creating an electrical fire.