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 Furnace And Humidifier Install on Twintech Heating and Cooling

Dealing with Bob and the installation crew was a pleasure. They took the time to explain everything. What would benefit us the most and the price difference. They were in and out in a reasonable time frame and fit us in within a couple days of original meeting. Quality of work is excellent as well.

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Would like to thank TwinTech for their quick response to our furnace repair. We used TwinTech to install a new furnace and AC a few years
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This is the second time we have had Twintech to our house. A couple of summers ago they were in for an issue with our air conditioning. This time it was our furnace having an issue. It was shutting off randomly and not coming back on. Greg came right away and took the time to investigate thoroughly and explain what was going with the furnace. Both times I have been thoroughly impressed with their speed, customer service, and quality of work. I HIGHLY recommend Twintech.

by Stan, Courtice on Twintech Heating and Cooling

Based on good reviews I hired Twintech to look at a small leak on my 5yr old water heater, they sent an employee to inspect and give a quote to repair which would total about $300. 100 for the initial call/inspection and another $200 for the repair. I agreed to the repair and they showed up on the agreed date to do the repair, it was to replace a dip tube but after removing the old one he couldn’t get the new one in. After about half an hour of trying he realized he had gotten the wrong part which he blamed his supplier for. Then told me it would be about a week to get this custom order part and would mean I would have no hot water for a week, so I went from a small insignificant leak to no water heater. I can’t believe that an experienced professional didn’t know these had custom order parts and basically left with my water heater disassembled and leaking water all over my basement. I would never hire this company for any projects ever again. I ended up having to buy a new water heater and didn’t even receive an apology from the company for their incompetence.

by Private User on Twintech Heating and Cooling

Based on good reviews I hired Twintech to look at a small leak on my 5yr old water heater, they sent an employee to inspect and give a quote to repair which would total about $300. 100 for the initial call/inspection and another $200 for the repair. I agreed to the repair and they showed up on the agreed date to do the repair, it was to replace a dip tube but after removing the old one he couldn’t get the new one in. After about half an hour of trying he realized he had gotten the wrong part which he blamed his supplier for. Then told me it would be about a week to get this custom order part and would mean I would have no hot water for a week, so I went from a small insignificant leak to no water heater. I can’t believe that an experienced professional didn’t know these had custom order parts and basically left with my water heater disassembled and leaking water all over my basement. I would never hire this company for any projects ever again. I ended up having to buy a new water heater and didn’t even receive an apology from the company for their incompetence.

by Private User on Twintech Heating and Cooling

Extremely happy.
So we were in no rush to replace our old units and took the time to do some research and get a number of quotes.
Twintech came in at around the middle of the pack for price but what convinced us to go with them was Bob, the representative that came to our house. Bob was by far the most professional of all the reps that we met with. He took the time to explain everything, what would work best for us and why. He really did seem very knowledgeable and enthusiastic about his stuff.
As promised on the day of install the crew showed up on time and got to work with minimal impact on us
..they were professional, clean, tidy and got the system up and running ahead of schedule...they made a couple of adjustments to the system to optimize it for our house.
The crew left the house clean and tidy.
Bob the rep showed up to check in and give us a few tips ..
It's been a week since install and all is good.
Our overall experience with Twintech has been excellent from start to finish and I wouldn't hesitate to recommend them.
Thank u.

by Private User on Twintech Heating and Cooling

It was a refreshing experience interacting with the Twintech team. From Bob, the sales consultant, who articulated in layman's terms all the options available and reasons for making any selection. This was done without the prevailing pressure tactics so commonplace today.

Before proceeding Mitch, the technician, at our request conducted a service check on our 30 yr old furnace. His report was positive indicating no urgency to replace it. Again no pressure tactics.

Three days after first meeting with Bob, the installation team of Greg and
Spencer completed the installation within the planned time frame.

A very professional, courteous and transparent team which delivered on their promise. I highly recommend Twintech.

by Private User on Twintech Heating and Cooling

Initial contact with sales resulted in an immediate response, which led to a timely installation. Both sales and installers were all very professional. I have no hesitation in recommending TWINTECH.

by Private User on Twintech Heating and Cooling

I had a great experience with TwinTech. The company offered a reasonable quote, and performed a quick and clean installation. The installer Greg was experienced, professional and courteous. He explained the services he performed and gave recommendations on maintain the new furnace.

The salesman Bob was honest
and professional and educated me on how to achieve optimal performance.

All communication from them was quick and they came the following day. I was pleased with the service and would recommend them.

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