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Different Kinds of AC Leaks
Posted On: June 14, 2024
Air conditioning (AC) systems can develop various kinds of leaks, each of which can impact the efficiency and performance of the unit. Here are some common types of AC leaks:
1. Refrigerant Leaks
Refrigerant leaks are the most common and serious type of AC leaks. They can occur in several places within the system:
- Evaporator Coil: The evaporator coil is prone to leaks due to its exposure to cold refrigerant. Over time, the coil can develop tiny pinholes that cause refrigerant to escape.
- Condenser Coil: The condenser coil, located outside, can also develop leaks due to corrosion, physical damage, or wear and tear.
- Refrigerant Lines: The lines that carry refrigerant between the indoor and outdoor units can leak if they are damaged or corroded.
- Valve Cores and Schrader Valves: These components are used for servicing the AC system and can leak if they become loose or damaged.
2. Water Leaks
Water leaks in an AC system are usually due to issues with the condensation process:
- Clogged Condensate Drain Line: The condensate drain line can become clogged with dirt, algae, or debris, causing water to back up and leak from the unit.
- Damaged or Rusted Drain Pan: The drain pan collects condensation and directs it to the drain line. If it is damaged or rusted, it can cause water to leak.
- Improper Installation: An improperly installed AC unit can cause water to leak, especially if the unit is not level, preventing proper drainage.
3. Air Leaks
Air leaks can affect the efficiency of the AC system and are typically due to issues with the ductwork:
- Leaky Ducts: Ductwork that has gaps, holes, or loose connections can allow conditioned air to escape, reducing the system's efficiency and causing uneven cooling.
- Poor Sealing Around Unit: If the AC unit is not properly sealed where it connects to the ductwork, air can leak out.
4. Oil Leaks
Oil leaks are less common but can occur in systems that use oil for lubrication:
- Compressor Oil Leaks: The compressor uses oil for lubrication, and leaks can occur if there are issues with the seals or gaskets within the compressor.
Identifying and Addressing AC Leaks
To maintain an efficient and functioning AC system, it's important to identify and address leaks promptly:
- Regular Maintenance: Schedule regular maintenance checks with a qualified HVAC technician to inspect and service the system.
- Proper Installation: Ensure that the AC system is installed correctly by professionals to prevent installation-related leaks.
- Leak Detection: Use leak detection methods, such as electronic leak detectors or dye tests, to identify refrigerant leaks.
- Timely Repairs: Address any identified leaks promptly to prevent further damage and maintain the system's efficiency.
Understanding these different types of AC leaks can help homeowners and technicians diagnose issues more effectively and maintain the longevity and performance of the air conditioning system.
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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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