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Winter is Coming "Furnace Filter Change Time"


As homeowners, it's easy to overlook the small maintenance tasks that keep our homes running smoothly. One of these crucial yet often forgotten tasks is changing the furnace filter. While it might seem like a minor chore, regularly changing your furnace filter can have a significant impact on your home's comfort, energy efficiency, and air quality. In this post, we'll explore why changing your furnace filter is so important and how to do it properly.

Why Change Your Furnace Filter?

  1. Improved Air Quality

The primary purpose of a furnace filter is to capture dust, pollen, pet dander, and other airborne particles, preventing them from circulating through your home. Over time, these particles can accumulate in the filter, reducing its effectiveness. Changing the filter ensures that your home's air remains clean and healthy to breathe.

  1. Enhanced Energy Efficiency

A dirty or clogged furnace filter can restrict the airflow, making your furnace work harder to heat your home. This extra strain on your HVAC system can lead to increased energy consumption and higher utility bills. Regularly changing the filter allows your furnace to operate efficiently, saving you money in the long run.

  1. Extended Furnace Lifespan

An overworked furnace is more likely to experience wear and tear, potentially leading to costly repairs or even premature system failure. By changing the filter regularly, you reduce the strain on your furnace, helping it last longer and operate more reliably.

How Often Should You Change the Furnace Filter?

The frequency of filter changes depends on several factors:

  1. Type of Filter: Different filters have varying lifespans. Check the manufacturer's recommendations for your specific filter type.

  2. Household Conditions: Homes with pets or frequent cooking may need more frequent filter changes due to increased airborne particles.

  3. Allergies: If anyone in your household has allergies or respiratory issues, consider changing the filter more often to maintain optimal air quality.

  4. Filter Size: Some filters are larger and can trap more particles, potentially lasting longer between replacements.

As a general guideline, it's a good practice to check your filter every one to three months and replace it when it appears dirty or clogged.

How to Change Your Furnace Filter

Changing your furnace filter is a straightforward process:

  1. Turn off the Furnace: Before you begin, turn off your furnace to ensure safety.

  2. Locate the Filter: Find the filter's location, usually near the furnace or air handler.

  3. Remove the Old Filter: Carefully slide out the old filter, taking note of its size and type.

  4. Install the New Filter: Insert the new filter, ensuring it's facing in the correct direction (usually indicated by arrows on the frame).

  5. Secure the Filter: Make sure the filter is properly seated and secure in its housing.

  6. Turn On the Furnace: Finally, turn your furnace back on.


Changing your furnace filter might be a small task, but it has significant benefits for your home's air quality, energy efficiency, and furnace lifespan. By making this simple maintenance task a regular part of your home care routine, you'll enjoy a healthier, more comfortable living environment and potentially save money on energy bills and furnace repairs in the long run. So, don't forget to mark your calendar and keep your furnace filter changes on schedule!

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