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The air conditioner in your home uses a filter to remove debris from intake air before cooling and pushing it through vents. If you don't change it frequently enough, you might need to rely on HVAC contractors more often to fix issues with the system. Below are several problems that you may experience when operating the air conditioner with a clogged filter.

What Happens When You Don't Replace an HVAC Filter?

1. Poor Air Quality 

As pollen, pet dander, and dust accumulate in the filter, you might notice musty odors throughout the home. This occurs when the filter cannot collect any new particles, allowing them to circulate through the ducts. Additionally, these allergens can cause asthma attacks and respiratory issues in family members with sensitive immune systems, decreasing their comfort in the home. Swapping the filter every one to two months helps prevent these problems from occurring.

2. Repair Issues

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When the filter is clogged, the blower in your air conditioner must work harder to push air through, which can cause the motor and bearings to deteriorate prematurely. Additionally, debris saturation can block warm air from entering the unit and flowing over evaporator coils, causing them to freeze and forcing the appliance to turn off. Without prompt attention, these issues can cause expensive damage to the air conditioner, requiring an HVAC contractor to fix the system.

3. Elevated Bills 

Since mechanical components need more energy to work harder and push air through the filter, you might notice unexpected spikes in the utility bill. You can take stress off internal parts, make your air conditioner more efficient, and save money by changing the filter once a month. This can also benefit the environment, as using less electricity reduces fossil fuel consumption and emissions produced by power plants. 

4. Warm Air

An obstructed filter can prevent enough air from entering the air conditioning system, restricting its performance. This means that it won't have enough air to cool and push through vents, forcing warm air into certain areas of the home. If you are noticing hot spots in different rooms or uneven temperatures, changing the filter may resolve the issue.

 

If you need help keeping your home comfortable and fresh, contact B & H Heating & Air Conditioning in High Point, NC. These HVAC contractors provide air conditioning installations, repairs, and maintenance to residents and businesses, offer expert solutions to your needs. Call (336) 841-5050 to request an appointment with a technician, and visit the website to learn more about their services.

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