As an HVAC expert, I have seen firsthand the consequences of not changing your furnace filter. It may seem like a small and insignificant task, but neglecting to do so can lead to a host of problems for your HVAC system and your health. Let me explain why changing your air filter is crucial for the proper functioning of your furnace and overall well-being. When an air filter is not changed regularly, it becomes clogged with dust and dirt, hindering its ability to filter the air properly. This can result in a variety of issues, including system inefficiency, increased energy bills, poor air quality, and even system failures.
But the consequences go beyond just affecting your HVAC system. The contaminants that are not trapped by the clogged filter can circulate back into the air that you and your family breathe, causing immediate problems such as headaches, itchy eyes or throat, and dizziness. But the long-term effects of not changing your air filters can be even more severe. Respiratory illnesses, heart disease, and even cancer can be linked to prolonged exposure to poor indoor air quality. A dirty filter restricts airflow to the HVAC system, making it work harder and consume more energy.
This not only costs you more money in energy bills but also puts unnecessary strain on your furnace. If an air filter is not checked and replaced regularly, it will eventually become so clogged that air cannot pass through it. This leads to a lack of airflow in the furnace, causing heat to become trapped inside. As the temperature continues to rise, the limit switch will turn the furnace on and off to prevent overheating. While this may temporarily solve the problem, it does not address the root issue.
Without a new air filter, this short cycling will continue to occur each time the furnace is turned on. So, what exactly is a short cycle? It is when the furnace turns on and off frequently, instead of running for longer periods of time. This not only puts unnecessary strain on the system but also leads to inconsistent heating and cooling in your home. By simply changing your air filter every few months, you can prevent clogging from occurring in the first place, reducing the likelihood of short cycling. If you are unsure of where your air filter is located, do not hesitate to call a professional. They will be more than happy to show you and provide guidance on how often you should change your filter.
Most manufacturers recommend changing basic filters every 30 to 60 days, but this can vary depending on certain circumstances. By staying on top of filter changes, you can help prolong the life of your HVAC system and make it work more efficiently. Failure to change the air filter can also lead to damage in other parts of the system, resulting in costly repairs in the future. While the primary function of filters is not to improve indoor air quality, neglecting to change them regularly can allow pollen and dander to enter your home or business. Changing your air filter is a simple and affordable way to keep your heating and cooling system operating at optimal levels. The best source of information on how often you should change your air filters is in the HVAC system owner's manual.
If you notice that your air conditioning system is not working as efficiently as it used to, changing the air filter could be the solution. And if it has been a while since you last changed your filter, it may be time to call a professional for an inspection and professional cleaning. Now that you understand the importance of changing your furnace filter, let's take a closer look at how air filters work in your HVAC system and the consequences of not changing them regularly. If you have not changed your home's air filters in a while, it is crucial to determine the type of filter you need and replace it as soon as possible. Neglecting to change the filter can also lead to moisture buildup, which can cause major problems such as mold growth. You may be wondering how important the air filter really is if you have not changed it in a long time and your system seems to be working fine.
But changing the air filter and having regular inspections are essential parts of preventive maintenance for your HVAC system. By staying on top of filter changes, you can save yourself from a lot of frustration and potential health issues in the future.