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Posted On: June 13, 2024
If you're experiencing no power to your AC unit, here are some steps you can take to troubleshoot the issue:
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Check the Power Supply:
- Circuit Breaker: Ensure the circuit breaker or fuse that powers the AC unit hasn't tripped or blown. Reset the breaker or replace the fuse if necessary.
- Power Switch: Verify that the AC unit’s power switch or disconnect box is turned on.
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Inspect the Thermostat:
- Check if the thermostat is set to the correct temperature and is in the "cool" mode. Replace the batteries if it is a digital thermostat.
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Inspect the Air Filter:
- A clogged air filter can cause the system to shut down. Replace or clean the filter if it’s dirty.
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Check the Condenser Unit:
- Ensure that the outdoor condenser unit is not blocked by debris or dirt. Clean the coils if they are dirty.
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Look for Blown Fuses or Faulty Wiring:
- Inspect the unit’s fuses and wiring for any signs of damage or wear. Replace any blown fuses and repair any damaged wiring.
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Examine the Contactor and Capacitor:
- The contactor and capacitor in the unit could be faulty. Listen for a clicking sound when the unit attempts to start; if you don't hear it, the contactor may be bad. Similarly, a swollen or leaking capacitor is a sign that it needs to be replaced.
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Check for Error Codes:
- Some modern units display error codes on the thermostat or control panel. Refer to the manual to decode any error messages.
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Consult a Professional:
- If the above steps don’t resolve the issue, it might be time to call a licensed HVAC technician. Electrical and mechanical issues with AC units can be complex and sometimes dangerous to handle without proper training.
Do you need help with any of these steps, or do you have more specific symptoms to share?
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See What Our Customers Are Saying:
Jul 28, 2022
On coldest night of the year our furnace quit. At 8:40 in the morning Greg arrived and gave us a diagnosis and a recommendation. By 2:30 we had a new furnace and were warm again. Great company. Great customer service. Good reasonable price.
Peter, Pickering
Jul 3, 2022
Twin tech team was very efficient and prompt. They provided a quote within hours of request and got the job done on time. No disruption to home function. We would highly recommend this team. Job well done.
Jul 3, 2022
Our furnace bit the dust, and Twintech came out to troubleshoot and diagnose the problem within a couple of hours. Mitch was super helpful, patient, and answered all of our questions. When we decided to get the furnace replaced, the crew was over first thing the next morning and did a fantastic job. Not only did they complete the job in a few hours, but they cleaned up and respected our house as they went, and answered all of our follow-up questions. I've used Twintech for our HVAC needs in the past and will continue to do so. I'd recommend them to anyone, and it feels good to support a local, family-owned business.
Jul 3, 2022
Dave and the Twintech team were fabulous from day 1 and helped us through the process to identifying a new furnace and AC unit. This was our first time through this process and Dave did a thorough job explaining all the components and was very patience answering all our questions. Dave provided great insights and fair pricing.
The Twintech team did an awesome installation. Very clean and efficient. I would highly recommended their service.
Jul 3, 2022
We had a new Amana furnace installed by Twintech and we were very pleased with the installation. It is nice to have a warm house again.
Jul 3, 2022
Excellent job. Excellent service. Competitive price. Its rare to find a company with the knowledge and professional results we have experienced with Twintech. The clean and neat installation with attention to detail and drop sheers to respect our property is a clear indication of Twintechs high level of integrity. The 1-1/2 gas line upgrade they did for our pool 3 years ago was awesome. Can't say enough. Thank-you Twintech.
Jul 3, 2022
Twitch did a great job with the installation of our new furnace. I really appreciated their honesty and I could trust what they were telling me. Another company tried to suggest significantly more work at a greater cost claiming it was necessary to meet current building code. Twintech is very fair. All staff I meet were friendly, polite and trustworthy. I would recommend Twitch for a furnace.
Jul 3, 2022
This is a professional team that's easy to deal with. I would strongly recommend them
Jul 3, 2022
Very professional firm from start to finish!
They removed the old oil tank and furnace. They installed air conditioning and a new propane furnace.
Professional installation, on time and no mess.
Very pleased with their work and would highly recommend the company. Our house is three stories so they spent the time to do all the calculations to make sure we would have great performance on each floor.
Thank you again!
Jul 3, 2022
Upon a routine yearly maintenance, it was discovered there was a leak in the heat exchanger and a I needed a new furnace. I know nothing about these things and was completely stressed out. The company I had the maintenance plan with quoted me a huge number to rent a furnace, I just wanted to cry. Then I spoke to Dave at Twintech. He was so knowledgeable and calming, provided me a fair quote and within a few days I had an amazing crew show up to my house and install my new energy efficient furnace! I have already recommended these wonderful people at Twintech to a good friend of mine. Thank you Twintech!!
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