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Tried AC for the first time this year and it won't get cold
Posted On: July 22, 2023
I have a window unit AC from Walmart that I only have installed for a month or two in the summer.
Never had any issues.
I installed it last night and ran it all night, it never got cold.
I tried cleaning the filter, messing with the temp knob on the front, nothing.
Basically it's just a fan right now.
I hear the "whine" of what sounds like a compressor kicking in but no cold air.
Is this something I can troubleshoot? If not and I have to buy a new unit, is this worth anything on craigslist for parts or repair?
Question from user ShabazzCBD at AirConditioners at reddit.
It sounds like there might be an issue with the cooling system of your window unit AC. While there are a few things you can try to troubleshoot the problem, keep in mind that working with electrical appliances can be dangerous, and if you're not comfortable or experienced in doing so, it's best to contact a professional technician for assistance. However, here are some basic troubleshooting steps you can attempt:
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Power and settings check: First, ensure that the unit is receiving power and that the settings are correct. Make sure it's plugged in properly and that the temperature and mode settings are appropriate for cooling.
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Clean the coils: Dust and debris can accumulate on the condenser coils, hindering the unit's cooling efficiency. Turn off the unit, unplug it, and carefully clean the coils with a soft brush or vacuum cleaner.
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Check for ice buildup: Sometimes, excessive ice buildup on the evaporator coils can block airflow and prevent cooling. If you suspect this is the issue, turn off the unit and let it thaw completely before trying again.
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Inspect the compressor and fan: If you're comfortable with basic electrical troubleshooting, you can inspect the compressor and fan for any visible damage. Ensure that the fan is spinning freely and that there are no loose or damaged wires.
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Check the refrigerant: Low refrigerant levels could be the cause of the AC not cooling properly. However, refrigerant handling requires specialized equipment, so it's not something you can easily do yourself. A professional technician will need to check the refrigerant levels and recharge the system if necessary.
If none of these troubleshooting steps work, and you're not able to fix the issue yourself, it might be time to consider getting a new unit. As for selling the non-functioning unit on Craigslist, there might be some people who are interested in buying it for parts or repair. However, don't expect to get a high price for it, as it's not functioning correctly. Be honest about the issues when listing it for sale.
Before disposing of or selling a broken unit, consider checking if there are any local recycling or electronics disposal programs available. It's always best to dispose of electronic devices responsibly to minimize environmental impact.
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My experience with TWINTECH has been excellent, start to finish. While doing market research I made a list of several local companies and called them for some high-level information. Dave was the first to call me back, and the only one to book a meeting to see my place in order to give an informed, accurate estimate. He reviewed the different AC makes and models with me, explained the technology, and made a recommendation appropriate to my home. The installation went smoothly. I had one post-installation issue there was moderate noise/vibrations coming from the duct system. I called about this, booked an appointment, and the technician resolved the issue during the service call. I feel assured having a 10-year warranty on parts & labour. I would recommend TWINTECH to anyone considering an AC or furnace for their home. Regards,
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Jan 1, 2015
My AC unit was not working at all and our furnace that was still working but not giving us any trouble was over 15 years old. So I had 3 heating companies come out to give us a quote on replacing both the AC and the furnace at the same time. Two companies right away recommended that I replace both units simply because they were old. Dave from twintech however suggested that we save some money and replace the AC only because it seemed to him that the furnace was still in great shape and was running fine. He told us that he would have his technicians inspect the furnace thoroughly when they had it apart to install the AC. My husband was at home when the furnace was apart and was very impressed when the tech took him downstairs to personally show him that the furnace was in excellent working condition. He also cleaned the furnace at no extra charge. So now I have an honest heating and AC company that I can highly recommend to other home owners. Great job Thank You!
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Jan 1, 2015
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