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Causes of Issues of Heating Systems

While most modern residential and commercial heating systems are designed to be highly efficient and highly reliable, they all are bound to experience some problems at one time or another. If these problems persist, they can actually jeopardize not only your family’s comfort but also their security. One of the biggest heating system problems that can occur is a furnace that doesn’t function properly. When this happens, it’s important to first determine why the furnace isn’t heating, before you can try to fix it.

thermostat malfunction

The most common reason that a furnace doesn’t work properly is a malfunction in its thermostat. This thermostat controls the temperature of the air around your home and is what regulates how much heat comes out of the furnace. A malfunction in the thermostat could cause the furnace not to release heat to the rooms in your house, causing your utility bills to go up. If you suspect that your furnace has lost its thermostat, you’ll need to open the furnace to test it.

clogged filter

Another heating system problem that can cause furnace troubleshooting is a clogged filter. There are a number of different filters that can be used to help keep air flowing through your home’s heating system. If the filter becomes clogged, though, it won’t allow air to pass through the system efficiently, and that means that the heating unit won’t be able to do its job, and may actually break down.

dead or faulty starter

One more common problem that can affect your heating unit is a dead or faulty starter. This can be extremely dangerous because it means that there’s something wrong with your heating system that can start a fire if it ignites. A good way to test for a dead starter is to remove your home’s existing thermostat and check to see if your new thermostat starts without an audible click. If it does, then your new thermostat needs to be replaced. If it doesn’t, then there could be a fuse that is either blown or in bad shape. Fuses are cheap pieces of junk that can be replaced easily, so don’t let them go until you are certain that everything is okay.

air tube blocked

One last problem that can cause your system to malfunction is that the return air tube has become blocked by dirt, debris, mold, or mold spores. This can cause the return air to fill up the room vents and prevent heat from getting through. This problem can be caused by many different things, such as dirty ductwork, but the most common reason for this is inadequate ventilation. Make sure that the area around the home is properly ventilated, or ask a professional to test it for you. As the air gets trapped in the room vents, it can cause the return air tube to fill up, which means that you won’t be getting heat into the rooms. You should also try changing the location of the outlets in your home and change the way you position your windows if they are causing this problem in your home.


Heating and Cooling are very important to your home, and there are several ways that heating and cooling systems fail. When you see problems with your furnace or ducts, make sure that you call a licensed contractor right away. If you do not have a heating and cooling contractor on call, then you may find that your home is destroyed, and you will owe thousands of dollars in repairs. If you are having problems with your Heating System or your ducts, then make an appointment and speak to a heating and cooling contractor right away.

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