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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:
Jul 23, 2024
Twintech Heating & Cooling installed my furnace in 2022 and in fall of 2023 installed my Panasonic Heat Pump. Greg and Mitch did a great job. Helped me through the rebate process. Super happy with the Heat Pump. Only used my furnace 5 times this winter. Energy bills lower, carbon emissions lower.Thank you Twintech. I recommend highly!
Jul 18, 2024
Just had a new furnace installed by Twintech. I cant express how great these guys are at what they do. From the sales to installation they were professional all the way. Very reasonable pricing and courteous during the installation and willing to answer any questions I had. Highly recommended !!!
Jul 17, 2024
They've cleaned my furnace a couple of times and mentioned that the hot water tank standards were going to change soon so I decided to change mine out.
There were a few challenges during the process but the installers handled the problems without missing a stride! I now have really hot water again!
Jul 16, 2024
Highly recommend Twintech Heating company, we got honest and detailed information on what was needed to replace and install a new gas furnace. Bob and Greg made us feel comfortable withe process through their thorough explanation and knowledge of the right furnace for our needs. The professionalism and courteous friendly attitude towards the customer is what we liked the most as they treated us like family. So happy with our decision and new furnace we will be looking into get our rental water heater replaced and installed by Twintech team. We feel better having their knowledge on our side and will only trust them with any further maintenance of furnace.
Jul 15, 2024
Customer service and knowledge is priority in this industry, and Twintech has it. I've dealt with their team for maintenance and a furnace replacement. They're accommodating and make great recommendations, and came through at a great price over the big guys in the industry. They'll be my next call when I need service or maintenance.
Jul 14, 2024
I decided that the noises and age of the existing furnace which was old and not very efficient to replace it. Gave Greg a call and Grant and Greg got to work on it. Because of supply issues with the current heating type that would be an easier install Greg convinced me to change the location of the system and it would provide me better service for heat and efficiency. I had skeptical but went ahead anyway putting trust in Greg And Grant. Greg, Grant and Mitch came through and in 2 days had completely relocated my heating and A/C system. I can honestly say Greg was right my old house has been warmer and more evenly heated as it ever was. For anyone reading this rather long winded review can take my word for it, Twin Tech can take care of your needs.
Jul 13, 2024
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Jan 4, 2023
Great Team! Furnace broke in the weekend, Bob visited same day and Greg installed new one on Monday. Team was professional, respectful and knowledgeable. Installation went very well, Greg found solutions to challenges, like hiding new conduits in the ceiling. Looks nice and new furnace is working great. Five Stars.
Jan 4, 2023
I used Twintech to install a new furnace for my home. Bob was terrific in explaining the sizing options and why the 2 stage furnace was the best option for me. Greg did a great job installing, clean and on time. Finished work looks great but the best part is how it works. The 2 stage heating is so much more comfortable. I run the fan continuously to keep the indoor air clean. Great investment! Would highly recommendTwintech!
Jan 4, 2023
Im going to start this by saying Im a very particular customer. My background is in mathematics and mechanical engineering so I have an eye for detail and a respect for technical knowledge.
Greg had already done an AC inspection and replaced a water heater tank and there was no question in my mind who to deal with replacing my rickety old furnace after it got pooched.
Bob dropped in ahead of time and clearly (and knowledgeably) outlined all technical, price and operational options.
Greg showed up on time, on the agreed date and did a fantastic job. (The OLD furnace was a house of horrors and was installed in a keystone cops sort of way- careless.)
The work Greg did was HIGHLY PROFESSIONAL and FAR MORE FUNCTIONAL than what I had.
Im also a musician with many instruments so maintaining predictable humidity/temperature is extremely important to me. Greg recognized this as did Bob. You NEVER feel like youre being brushed off.
In summary, if youre looking for PROFESSIONAL, QUALITY results by an EXPERIENCED, THOUGHTFUL team
(that also happen to be FRIENDLY and ATTENTIVE ) then youve come to the right page!!
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