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Jul 26, 2023 4:10:58 PM by Logan Donahue

Why Does My AC Have Low Airflow?

There are several factors that can contribute to low airflow in your home, and while they may not always be obvious, they can have a major impact on your comfort and well-being. It is important to understand these causes so that you can effectively address the issue and restore optimal airflow in your living space. Let's check out some of these causes below. 


4 Causes of Low Airflow in Your HOme

1. Clogged or dirty air filter

Over time, dust, dirt, and other particles can accumulate in the filter, obstructing the airflow and reducing its efficiency. Regularly cleaning or replacing the air filter is essential to ensure proper airflow and maintain a healthy indoor environment. Another possible cause of low airflow is blocked vents or registers. Furniture, curtains, or other objects placed too close to vents can impede the airflow, preventing it from reaching all areas of your home. Take a moment to check and clear any obstructions near your vents to allow the air to flow freely throughout your space.

2. Improperly sized or installed air ducts 

If the ductwork is too small or not designed properly, it can restrict the flow of air and result in poor ventilation. In some cases, poorly sealed ducts can also lead to air leakage, causing a decrease in airflow. It is advisable to consult a professional to assess your ductwork and make any necessary adjustments or repairs.

3. Malfunctioning or outdated HVAC system

A worn-out fan motor, a malfunctioning compressor, or a faulty thermostat can all contribute to reduced airflow. Regular maintenance and timely repairs are crucial to ensure your HVAC system operates efficiently and provides optimal airflow throughout your home.

4. Layout and design of your home

Poorly designed ventilation systems or inadequate placement of vents can affect airflow distribution. Certain areas of your home may receive less airflow due to improper placement or lack of vents. Consulting an HVAC specialist can help you identify any design flaws and provide solutions to improve airflow in specific areas.
ECI Addresses Airflow Issues in Fairmount Rowhome 
Other indications of low airflow in your household include the emergence of hot and cold spots throughout your living space, a noticeable weakening of airflow from your vents, doors unexpectedly slamming shut, the presence of whistling noises due to pressure imbalances, and a consistent flow of warm air from both your AC unit and vents.


By addressing these common causes of low airflow, you can enhance the air quality in your home, improve overall comfort, and promote a healthier living environment for you and your family. Regular maintenance, proper ventilation, and professional guidance are essential in maintaining optimal airflow and ensuring your home remains a haven of fresh and clean air.Contact ECI Comfort

If you live in the Delaware Valley/Greater Philadelphia area and would like to find comfort within your home, visit our website or give us a call at 215 - 245 - 3200 to learn more.

This entry was posted in Central Air Conditioning, Save Energy, Home Performance, Efficiency, Preventative Maintenance, Air Conditioning

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