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Advice Need For This AC Issue

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Advice Need For This AC Issue

Posted On: May 23, 2023

Advice Need For This AC Issue

My AC stopped blowing cold air.


The unit outside seems to be working.


The fan is spinning but no cold air comes out.


I'm calling someone to come take a look at it today but was curious if anyone knew what it could be and give me a heads up before.


Question from user AdSweet3673 at AirConditioners at reddit.


Answer:


If your AC unit is not blowing cold air even though the outside unit appears to be running, there could be a few potential issues causing this problem. Here are some common reasons for this situation:


  1. Refrigerant leak: Low refrigerant levels can result in insufficient cooling. If there's a leak in the system, it needs to be repaired, and the lost refrigerant should be replaced by a professional HVAC technician.


  2. Dirty evaporator coil: The evaporator coil is responsible for absorbing heat from the air, and if it's dirty or covered in debris, it can't perform its job effectively. This will lead to reduced cooling efficiency.


  3. Blocked condenser unit: The condenser unit (outside) releases heat to the outside environment. If the condenser coils are dirty or blocked by debris, it can hamper the cooling process.


  4. Faulty compressor: The compressor is a crucial component responsible for circulating the refrigerant and pressurizing it. If the compressor is faulty or not working correctly, it can lead to no cooling.


  5. Electrical issues: Problems with electrical components like capacitors, relays, or contactors can also cause the AC to stop blowing cold air.


  6. Thermostat malfunction: A faulty thermostat may not signal the AC to cool properly, resulting in no cold air.


  7. Frozen evaporator coil: If the evaporator coil freezes due to various reasons (e.g., dirty air filter, low refrigerant), it will obstruct airflow and lead to no cooling.


  8. Airflow restrictions: Any restrictions in the airflow, such as blocked vents or dirty air filters, can impede the cooling process.


Since you've mentioned that the outside unit seems to be working with the fan spinning, the compressor might be running. However, the lack of cold air suggests that there could be an issue with the indoor components (e.g., evaporator coil, blower motor) or the refrigerant level.


It's a good decision to call a professional HVAC technician to diagnose and fix the problem. They have the expertise and tools to pinpoint the issue accurately and perform the necessary repairs. Remember to provide them with any relevant information about the unit's recent performance to help them troubleshoot more efficiently.



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by Bill, Whitby on Twintech Heating and Cooling

Reasonable price and the workmanship was prompt and timely and the employees were great to deal with.

by Nadia, Toronto on Twintech Heating and Cooling

The sales process was friendly, informative, and very consultative. They worked hard to earn our business by taking a careful look around our home to assess our needs, providing a lot of information about the product, and answering all our questions and finding the right solution for our home at a competitive price. They prepared us very well for what to expect on installation day, and the installation went very smoothly - no surprises, all very professional! They gave us a call after installation to ensure we were happy with the work. We're very happy that we chose to work with TwinTech to get our new furnace.

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Twintech promptly responded to request for quotation. They were thorough and helpful in explaining options. The quote was very competitive. Installation of new furnace was very professionally completed. Excellent work.

by Rita, Scarborough on Twintech Heating and Cooling

When our old oil furnace finally broke down we decided it was time to finally convert to natural gas and finally install central air conditioning at the same time. Knowing it was going to be a significant investment for us, we wanted to make the right choice. Twintech came highly recommended by a friend and we were not disappointed. From the first contact with the salesperson, until the final touches on the installation, we were so pleased with their service. Everyone from the company was so friendly, efficient and a pleasure to deal with. Best of all, the cost was very competitive. We would certainly recommend Twintech to anyone requiring HVAC work in their home.

by Bob S, Pickering on Twintech Heating and Cooling

Mitch from Twintech came out for our annual furnace inspection. We found him to be friendly, conscientious & he left the work area clean. We were also very impressed with the thoroughness of the job he did. This is the 2nd job we’ve had Twintech do for us & have been very happy with the results for each. We highly recommend this company. Thank you, Mitch, Dave & Greg.

by Brent L on Twintech Heating and Cooling

Work was done on schedule, professionally, according to quote and with minimal inconvenience to building users. Very happy with the end result. The only area for improvement from my experience - need more timely quoting process.

by Karen on Twintech Heating and Cooling

The team was great! Very knowledgeable, professional and extremely helpful. A few days after install the unit didn’t seem to be working, user error, but within minutes of contacting them..on a Saturday.. a tech was on the phone troubleshooting with us. I highly recommend Twintech for your cooling or heating needs. They stand by their products and a pleasure to deal with.

by Rob on Twintech Heating and Cooling

During the hottest week in the summer our old A/C decided to call it quits. I called Twintech Heating & Cooling after receiving a referral from a family member; came highly rated for being an honest, family-run business, who appreciates their customers. Dave was able to accommodate my hectic schedule and book a late evening appointment to walk through the specifics. Greg and Mitch arrived exactly on time a few days later, were very polite and friendly, and within a couple of hours had a new unit up and running. I also received a follow-up call to ensure we were happy with the Amana.

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by Aaron on Twintech Heating and Cooling

We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.

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Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!

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Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.

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We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!

by Ruth on Twintech Heating and Cooling

TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!

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