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Furnace Filter

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Your furnace is an essential part of your home's heating system, and it's important to keep it functioning correctly to ensure that you stay comfortable during the colder months. One of the most important yet often overlooked aspects of furnace maintenance is replacing the filter. In this blog post, we'll discuss why changing your furnace filter is so important and how often you should be doing it.

Bad Good Filter
This is a before/after picture of our last furnace change. It is recommended to change it every 6 months, but I think it would be better to change it sooner.

Benefits of Changing Your Furnace Filter

Regularly changing your furnace filter can have several benefits. Firstly, it can help improve the air quality in your home. The filter is responsible for trapping dust, dirt, and other particles that can circulate in the air. Over time, these particles can build up in the filter, reducing its effectiveness and allowing them to circulate throughout your home. When you change the filter, you're ensuring that the air in your home is clean, which can be especially important for those with allergies or respiratory issues.

Secondly, changing your furnace filter can help improve the efficiency of your furnace. A dirty filter can restrict the flow of air, making it more difficult for your furnace to heat your home. This can lead to increased energy consumption and higher energy bills. By regularly changing your filter, you're ensuring that your furnace is running at peak efficiency, which can save you money in the long run.

How Often Should You Change Your Furnace Filter

So how often should you be changing your furnace filter? The answer depends on a few factors. If you have pets or live in an area with high levels of pollution, you may need to change your filter more frequently. As a general rule, however, it's recommended that you change your filter every 3 months. This will ensure that your furnace is running efficiently and that the air in your home is clean and healthy.


Changing your furnace filter may seem like a small thing, but it can have a big impact on your home's comfort and energy efficiency. By regularly replacing your filter, you can improve the air quality in your home, reduce your energy bills, and ensure that your furnace is running at peak efficiency. So next time you're thinking about putting off changing your filter, remember all the benefits that come with keeping it clean and make it a priority on your to-do list.

It is a good idea to buy a multipack of filters at the time of purchasing a new one, so you'll have an extra one on hand. Make a note of the size of your furnace's filter, so you can easily pick out the right filter size and brand in the future. This will save you time and money as you won't have to worry about running to the store every time your filter needs replacing. Having a few extra on hand also ensures that you will have a replacement filter in case one is damaged or becomes clogged.



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