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Even in the warmer months of the year, you should regularly monitor your furnace filter's condition -- and replace it as needed -- to keep your family safe and your furnace in good working condition. Luckily, swapping out your old filter is a simple home maintenance task that you can tackle in less than 15 minutes. Below, we'll run through the basics of changing your furnace's filter, including when (and how) to do it and why it matters. Read also: This One Simple Thing Could Help Your Furnace Last Years Longer When to replace your furnace filterFilters play a vital role in the overall function of your furnace -- and can have a noticeable impact on the air quality in your home. In short, your furnace filter traps dirt, dust, allergens and other pollutants, so they don't flow into your heating and cooling system (and you don't breathe them in). It also creates a barrier to prevent contaminants from entering and damaging your system. In most cases, you should replace your filter at least every three months -- including in summer. If you can't seem to remember to do it, a good rule of thumb is to change your furnace filter every time the seasons change. With that said, there are some factors that could impact how often you need to change yours, including:
Why changing your furnace filter is importantIt may seem inconsequential, but keeping your furnace filter clean is incredibly important. Here are a few of the reasons that you should make replacing your filter a priority. Your health and safetyMost importantly, using a debris-free filter will help improve the air quality in your home. If your filter is dirty, your furnace won't be able to circulate clean air throughout your home, which could put your health at risk. On top of that, clogged furnace filters can create a safety hazard. When airflow is blocked by dirt, pollen and other contaminants, it forces your furnace into overdrive, which can make the motor overheat and start a fire. The lifespan of your furnaceLike anything else in life, looking after your furnace will help extend its lifespan. And since installing a new furnace costs thousands of dollars, it's within your best financial interest to take good care of the one you have. This includes regularly changing the filter, cleaning the entire unit and scheduling maintenance as needed. If you keep using your furnace when the filter is dirty, it can cause dust, hair, mold and other debris to collect inside your heating and cooling system. This can damage your system, forcing you to get expensive repairs or replace it entirely. Energy costsFinally, maintaining your furnace filter can even help you save on your energy bills. When your filter is clogged, it's harder for your furnace to draw air in, making it work harder and use more energy. Fortunately, this situation is preventable. In fact, according to the Department of Energy, you can reduce the energy consumption of a heating and cooling unit by between 5% and 15% just by replacing the filter when it gets dirty. Here Are 23 Ways to Save On Your Electric Bills Right NowSee all photosHow to replace your furnace filterNow that you know when and why to replace your furnace filter, let's go over how to do it. The instructions may vary slightly depending on your particular furnace, but here's a general overview: 1.
Shut off the furnace. The bottom lineRegularly replacing your furnace filter is a simple way to maintain healthy air quality in your home, keep your furnace in good shape and even save on energy costs. Even better? It only takes a few minutes out of your day. More home, energy and utility advice
Do furnace filters really last 3 months?Generally, most air filter manufacturers and HVAC companies recommend changing your air filter every 90 days, or 3 months. That can change based on where your home is located (ex. dusty, dry climates), if you have any pets, and the age of your system and equipment.
How often should you change your furnace filter in the winter?Frequency of the Change
say that you should change your air filter at least every three months. During the winter, when you rely on your heating system more, you want to increase that frequency. During the winter, when the system is in constant use, change it out every month.
How can I tell if my furnace filter needs changing?How Can I Tell That My Furnace Filter Needs to Be Changed?. Filter is a different color. ... . Energy bills are higher than usual. ... . Low air flow. ... . Rise in physical issues. ... . Headaches. ... . Allergies. ... . Carbon monoxide poisoning. ... . Forces HVAC systems to work harder.. What happens if you don't change your furnace filter?Without a new air filter, the furnace will overheat every time it starts up again. This is referred to as short cycling. Dirty furnace filters cause your furnace to work harder than it should due to a decrease in airflow. The harder your furnace works, the quicker its parts will wear out and need repairs.
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