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Is My AC Units Airflow Obstructed?
Posted On: May 24, 2024
Determining if your AC unit's airflow is obstructed is crucial for ensuring it operates efficiently. Here are some steps and signs to help you identify any airflow obstructions:
Steps to Check for Obstructed Airflow
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Inspect Air Filters
- Visual Inspection: Check the air filter for dust and debris buildup. A clogged filter is a common cause of reduced airflow.
- Replace or Clean: Replace disposable filters or clean reusable ones if they appear dirty.
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Check Vents and Registers
- Open and Unobstructed: Ensure all supply and return vents are open and free from obstructions such as furniture, drapes, or rugs.
- Airflow Test: Place your hand near the vents to feel if air is flowing freely. Weak airflow may indicate a blockage.
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Examine the Ductwork
- Visual Inspection: Look for visible signs of damage or disconnections in the ductwork.
- Seal Leaks: Seal any leaks or gaps with duct tape or mastic sealant.
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Inspect the Outdoor Unit
- Clear Debris: Ensure the area around the outdoor unit is clear of debris, plants, and any other obstructions.
- Check Fins: Inspect the condenser fins for dirt or damage and clean them gently with a soft brush if needed.
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Monitor System Performance
- Temperature Differential: Measure the temperature difference between the air entering the return vent and the air exiting the supply vents. A significant drop in temperature can indicate a problem.
- Listen for Noises: Unusual noises from the blower fan or ducts can indicate obstructions or mechanical issues.
Signs of Obstructed Airflow
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Reduced Cooling Efficiency
- If your AC is running but not cooling your home effectively, obstructed airflow may be the cause.
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Increased Energy Bills
- Higher-than-normal energy bills can indicate your AC is working harder than necessary due to restricted airflow.
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Hot and Cold Spots
- Inconsistent temperatures or noticeable hot and cold spots in different rooms suggest uneven airflow distribution.
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Frost Build-Up on Evaporator Coils
- Ice on the evaporator coils can be a sign of insufficient airflow, causing the coils to become too cold and freeze.
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Weak Airflow from Vents
- If you notice that the airflow from your vents is weaker than usual, it could indicate a blockage somewhere in the system.
What to Do If You Find Obstructions
- Replace or Clean Filters: Regularly replace or clean air filters to prevent clogs.
- Clear Vents and Registers: Ensure all vents and registers are open and unobstructed.
- Clean Ductwork: Have your ducts professionally cleaned if you suspect a significant buildup of dust or debris.
- Clear Outdoor Unit Area: Regularly clear the area around your outdoor unit to maintain proper airflow.
- Professional Inspection: If you cannot identify the source of the obstruction or if the problem persists, contact a professional HVAC technician for a thorough inspection and service.
By performing these checks and addressing any issues, you can ensure that your AC unit operates efficiently, providing optimal cooling performance and energy efficiency.
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See What Our Customers Are Saying:
Apr 10, 2019
Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.
Apr 8, 2019
The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.
Apr 1, 2019
Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldnt believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!
Apr 1, 2019
Installation was done quickly and professionally. The new furnace is quiet and provides even heat.
Mar 3, 2019
They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!
Mar 4, 2019
This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!
Feb 22, 2019
Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.
Feb 16, 2019
Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.
Feb 13, 2019
Fantastic team. Completed the job as per the specifications and in under 3 hours. Highly recommended Twintech.
Jan 30, 2019
During the summer, I previously hired TwinTech to replace my air conditioner when it failed. They did an excellent job so when I decided to proactively replace the furnace I contacted them. The furnace I had was 22 years old and showed signs of internal leakage. It still worked but rather than wait to have it fail in cold weather, I decided to purchase a higher efficiency model before it failed and take advantage of energy efficiency rebates. TwinTech offered very useful advice on the make and model of furnace to choose including high efficiency and variable speed motor. The price was reasonable, TwinTech arrived at the allotted time, installed the new furnace (including some re-routing of exhaust lines since the existing ones were too close to other vents), removed the old furnace, tested the installation and cleaned everything up. Overall, it was a good experience, they did a great job and the new furnace is working well.
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