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Ways Your Air Conditioner Can Break
Posted On: July 5, 2024
There are several common ways an air conditioner can break down. Here are some of the most frequent issues:
1. Refrigerant Leaks
- Symptoms: Inefficient cooling, hissing sounds, ice buildup on the evaporator coil.
- Cause: Punctures in the refrigerant lines or factory defects.
- Solution: Professional repair to locate and fix the leak, then recharge the refrigerant.
2. Dirty or Clogged Filters
- Symptoms: Reduced airflow, increased energy bills, uneven cooling.
- Cause: Neglecting regular maintenance and replacement.
- Solution: Replace or clean filters every 1-3 months.
3. Frozen Evaporator Coils
- Symptoms: Warm air from vents, frost on coils, frequent cycling.
- Cause: Poor airflow, dirty coils, low refrigerant levels.
- Solution: Turn off the AC to thaw the coils, clean or replace the filter, and check refrigerant levels.
4. Faulty Thermostat
- Symptoms: Incorrect temperature readings, unit cycling on and off.
- Cause: Calibration issues, sensor problems, dead batteries.
- Solution: Replace batteries, recalibrate or replace the thermostat.
5. Blocked Condenser Unit
- Symptoms: Reduced cooling efficiency, high energy bills.
- Cause: Debris, dirt, and foliage blocking the condenser.
- Solution: Regularly clean the unit and keep the area around it clear.
6. Electrical Issues
- Symptoms: AC not turning on, tripped breakers, frequent cycling.
- Cause: Faulty wiring, blown fuses, capacitor problems.
- Solution: Inspect wiring, replace fuses, and check capacitors.
7. Drainage Problems
- Symptoms: Water leaks, musty odors, humidity issues.
- Cause: Clogged condensate drain, disconnected drain line.
- Solution: Clear the drain line and ensure proper drainage.
8. Compressor Failure
- Symptoms: AC not cooling, loud noises from the unit.
- Cause: Electrical issues, refrigerant problems, lack of maintenance.
- Solution: Professional repair or replacement of the compressor.
9. Fan Problems
- Symptoms: Poor airflow, strange noises, unit not turning on.
- Cause: Motor issues, worn belts, lack of lubrication.
- Solution: Inspect and repair or replace the fan motor, belts, and bearings.
10. Sensor Problems
- Symptoms: Inconsistent temperatures, unit cycling on and off.
- Cause: Misplaced or malfunctioning sensors.
- Solution: Adjust the sensor position or replace it.
Prevention Tips:
- Schedule regular maintenance checks.
- Replace or clean filters regularly.
- Keep the outdoor unit free from debris.
- Ensure proper thermostat settings and calibrations.
Regular maintenance and prompt attention to any irregularities can help keep your air conditioner running smoothly and efficiently.
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See What Our Customers Are Saying:
Aug 8, 2025
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.
Aug 8, 2025
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!
Feb 18, 2025
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.
Feb 18, 2025
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!
Feb 18, 2025
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!
Feb 18, 2025
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Feb 18, 2025
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
Aug 17, 2024
I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. Ive used the company in the past for my furnace so I was happy when I recognized Greg at my front door. Hes great and the service is always top notch. Id highly recommend using twintech for honest, superior service in the Durham region. Thanks!
Aug 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!!
Aug 12, 2024
Just hired TwinTech Heating & Cooling to do an A/C Unit removal & reinstall to allow for landscaping access on the side of my house, and they were wonderful!
Bob, Greg & Mitch make a great team! Quick appointment times, super knowledgeable, expert troubleshooting capabilities & very customer service oriented.
I would highly recommend them for all of your HVAC needs! Great job guys!!
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