Easy Solutions for 10 Common Air Conditioner Repair Issues

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Air Conditioning Repair: 10 Common Problems and Their Fixes for Canadian Climate

Table of Content


  1. Water Leaks
  2. Dirty AC Filter
  3. AC Making Noises
  4. AC Smells Bad
  5. Thermostat Malfunctioning
  6. Slow Airflow
  7. AC Fan Isn’t Working
  8. A/C Circuit Breaker Keeps Tripping
  9. A/C Keeps Turning ON/OFF
  10. Frozen Evaporator Coil

         Let Us Worry About Your Problem’s!!


Air Conditioning Repair: 10 Common Problems and Their Fixes for Canadian Climate

When it comes to the summer season in Canada, having a properly functioning air conditioner is essential to combat the rising temperatures and enjoy a cool and comfortable indoor environment. Air conditioning units are extensively used across the country, with homes, offices, and establishments relying on them to beat the heat. However, it’s important to be aware of the common air conditioner problems that can arise, even in the Canadian climate.

To ensure your air conditioner operates at its best, regular maintenance and timely repairs are crucial. By addressing potential issues early on, you can avoid more extensive and costly repairs in the future while also prolonging the lifespan of your unit. In this blog, we will focus on air conditioning repair in Canada and explore the 10 most common air conditioner problems and their respective fixes. By understanding these issues and implementing the necessary repair solutions, you can keep your air conditioner running smoothly and enjoy cool comfort all summer long.

1) Water Leaks

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Problem: Water Leaks

If you’re dealing with water leaks from your indoor air conditioning unit, it’s a clear indication that immediate air conditioner repair is necessary. Water leaks in an air conditioner often occur due to a clogged condensate drain system. Over time, the accumulation of algae or fungi can obstruct the drain, leading to water backup and potential entry into your living space. Another possible cause could be a malfunctioning condensate pump that requires professional repair or replacement.

Solution for water leaks indoors:

To effectively address the issue of water leaks in your air conditioner, it’s highly recommended to seek professional air conditioner repair services. Trained technicians have the expertise to diagnose the root cause of the problem and provide the appropriate repair solutions. They can unclog the condensate pipe using specialized tools or cleaning agents, ensuring proper drainage and preventing future water leaks. It’s crucial to rely on professionals to handle the repair process for optimal results and to avoid any potential damage to your air conditioning system.

Problem: Water Leaks Outdoors

Water Leaks Outdoors

On scorching summer days, you may notice water pooling outside your home beneath the outdoor compressor unit of your air conditioner. This can be attributed to various factors, including a dirty air filter, damaged condensate pans, a faulty AC seal, or improper installation.

Solution for water leaks outdoors:

If you encounter water leaks outdoors from your air conditioning system, it’s important to take immediate action. Start by turning off the air conditioner and disconnecting the power supply to prevent further damage. Engaging the services of a professional air conditioner repair company is crucial to accurately diagnose the underlying issue and implement the necessary repairs. Experienced technicians can address the specific cause of the water leaks, whether it’s a clogged air filter, a faulty condensate pan, a compromised AC seal, or an installation error. Trusting professionals for the repair ensures the optimal functioning of your air conditioning system and helps maintain a comfortable environment both indoors and outdoors.

2) Dirty AC Filter

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Problem: Dirty Air Filter

A dirty air filter is a common issue that can impact the efficiency of your air conditioning system. Air filters play a crucial role in maintaining clean and pollutant-free airflow. However, over time, dirt particles accumulate in the filters, leading to blockage and restricted airflow.

Solution for Dirty Air Filters

To address the problem of dirty air filters, air conditioner repair is necessary. Most air conditioning systems are designed with replaceable filters that can be easily removed and replaced. If the filter is reusable, it can be cleaned by rinsing it with water and ensuring it is thoroughly dry before reinstalling.

To maintain optimal performance, it’s recommended to clean your air filter every two weeks and replace it every two months, especially during peak usage seasons. Smart AC controllers can be beneficial as they provide notifications to remind you when it’s time for filter cleaning or replacement.

For pet owners, paying extra attention to air filters is essential due to potential pet fur accumulation. Investing in high-quality air filters can help prevent clogging issues and improve indoor air quality.

If you find that clogged filters persist as a recurring problem, seeking professional air conditioner repair services is advisable. Professionals can offer expert guidance and ensure that your air conditioning system functions at its best, providing efficient cooling and optimal airflow.

3) AC Making Noises

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Problem: AC Making Noises

When it comes to your air conditioning unit, unusual and loud noises are not to be ignored. They serve as clear indicators of underlying issues that require attention. Delaying necessary air conditioner repair can lead to further complications down the line.

Solution for AC Noises

Different types of noises can indicate various problems with your air conditioner. For example, a grinding sound may suggest compressor or motor failure. Clicking noises could result from obstructions in the AC fan or capacitor issues. Bubbling noises might be attributed to refrigerant leaks or excessive moisture within the unit.

To effectively address AC noises, it is crucial not to neglect them. Instead, it is recommended to promptly reach out to a qualified HVAC professional for air conditioner repair. An experienced technician will thoroughly assess the nature of the sound and provide appropriate solutions to rectify the underlying problem.

By seeking professional assistance, you can ensure accurate diagnosis and effective resolution of the AC noise issue. Restoring optimal performance to your air conditioning system is essential for maintaining a comfortable indoor environment. Don’t let AC noises go unchecked – prioritize air conditioner repair to prevent further damage and ensure efficient operation.

4) AC Smells Bad

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Problem: AC Smells Bad

When it comes to your air conditioner, unpleasant odors should not be ignored. Different smells can indicate various problems within the system. For instance, a pungent odor may be a sign of mold growth within the AC unit. A fire-like smell could suggest electrical components burning. A gas smell may indicate a potentially dangerous Methyl Mercaptan leakage.

Additionally, if you detect a rotten egg smell when you turn on the AC after a period of inactivity, it could be a result of birds or insects entering the system and perishing, causing an unpleasant odor.

Solution for AC Smell:

If you have recently started using your air conditioner after a period of dormancy and notice an initial unusual smell, it is generally not a cause for immediate concern, as it should dissipate shortly. However, if the odor persists, it indicates an underlying problem that requires attention. Thoroughly cleaning your air conditioner when taking it out of storage after a prolonged period of disuse is recommended.

For issues related to electrical or gas leakage, seeking professional air conditioner repair services is essential. These types of problems should not be addressed without the expertise of a trained technician who can ensure safety and provide proper resolution. Trusting professionals will help identify and address the root cause of the odor, restoring a fresh and pleasant environment in your home or office.

5) Thermostat Malfunctioning

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Problem: Thermostat Malfunctioning

A common issue that homeowners encounter with their air conditioning systems is a malfunctioning thermostat. When your air conditioner starts short cycling and fails to cool your indoor space effectively, it is often a sign that the thermostat is not functioning properly. This can lead to discomfort and an inefficient cooling process, requiring prompt attention and air conditioning repair.

In cases of thermostat malfunctioning, several factors can contribute to the problem. Dust and debris accumulation, corrosion buildup, dead batteries, loose screws or wires, and improper calibration are all potential culprits. Additionally, if the thermostat is exposed to direct sunlight or placed in an unsuitable location, it can affect its temperature readings and overall performance.

Solution for a faulty thermostat:

To address the issue of a malfunctioning thermostat, it is essential to take the following steps:

  1. Check the batteries: Begin by checking the batteries of your thermostat, especially if it operates on battery power. Ensure they are functioning properly and replace them if necessary. Adequate battery power is crucial for the accurate operation of the thermostat.

  2. Clean the thermostat: Carefully remove the cover of the thermostat and use a soft brush to clean away any dust or debris that may have accumulated. This cleaning process helps to maintain clear and precise temperature readings, ensuring the thermostat functions optimally.

  3. Address corrosion and loose connections: If you notice significant corrosion buildup or suspect loose screws or wires inside the thermostat, it is advisable to seek professional air conditioning repair services. Trained technicians can safely clean the corrosion or rectify any loose connections, restoring the thermostat’s proper functioning.

  4. Optimal placement: Consider the placement of your thermostat within your home. Ideally, it should be located in a frequently used room away from direct sunlight or any heat sources. Placing the thermostat in an optimal position helps prevent false temperature readings and ensures accurate temperature control.

  5. Calibration check: Perform a calibration check by placing a glass thermometer next to the thermostat. Allow both devices to stabilize for about 15 minutes, then compare the readings. If there is a noticeable discrepancy in temperature, it indicates the need for recalibrating the thermostat. Refer to the user manual or consult with a professional to ensure proper calibration.

  6. Upgrade to a smart thermostat: Consider upgrading to a smart thermostat, which offers advanced features and remote control capabilities. With a smart thermostat, you can conveniently adjust temperature settings using your smartphone, create schedules, and potentially save on energy costs by optimizing temperature settings based on your usage patterns.

By addressing thermostat malfunctions promptly and seeking professional air conditioning repair when necessary, you can ensure your thermostat functions correctly, leading to improved comfort and energy efficiency in your home.

6) Slow Airflow

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Problem: Slow Airflow

When your home experiences cold and hot drafts or you notice pressure imbalances, it indicates an HVAC airflow issue. The fan struggles to push enough air, leading to slow airflow. Several factors can contribute to this problem, including a dirty air filter, faulty blower motor, leaking ducts, blocked vents, or low refrigerant levels. Slow airflow can be especially bothersome during the hot summer months when you rely on your air conditioner for comfort.

Solution for slow airflow:

To address the issue of slow airflow, consider the following solutions. Firstly, for a faulty thermostat, try recalibrating it to see if it resolves the problem. Additionally, check your vents for any blockages caused by furniture or decorative items obstructing the airflow. Simply moving these items aside can help restore proper airflow. Another important step is to clean the air filters regularly to remove accumulated dirt and debris, which can significantly improve the airflow. If you are unable to identify or fix the underlying cause of the slow airflow, it is recommended to call an HVAC professional for a thorough system audit. They have the expertise to diagnose and address any issues affecting the airflow, ensuring optimal performance of your air conditioning system.

By implementing these solutions, you can effectively improve the airflow in your home, creating a comfortable and pleasant indoor environment. If the problem persists or if you require expert guidance, do not hesitate to reach out to a professional in air conditioner repair for further assistance.

7) AC Fan Isn't Working

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Problem: AC Fan Isn’t Working

When the fan in the outside unit of your air conditioning system fails to operate efficiently, it can lead to various issues, including inadequate heat transfer. This can cause problems such as the compressor overheating or tripping the safety load, potentially resulting in internal damage and the need for air conditioner repair or replacement.

Solution for AC fan failure:

If you notice that the fan in your air conditioning system has stopped working, it is crucial to take the following steps to address the problem effectively:

Firstly, prioritize safety by ensuring that the power supply to the unit is turned off before proceeding with any inspection or repair. This precautionary measure helps prevent electrical accidents and ensures personal safety.

Next, carefully remove the outer casing of the unit and conduct a visual inspection of the components. Look for any visible signs of loose wiring, disconnected connections, or damaged parts that may be causing the fan failure.

However, diagnosing and resolving issues related to the AC fan can be challenging without the necessary expertise. In such cases, it is highly recommended to seek the assistance of a professional air conditioning repair service. Their experienced technicians have the knowledge and skills to accurately identify the underlying problem and provide the appropriate solutions.

By relying on the expertise of professionals, you can ensure that the AC fan failure is properly diagnosed and repaired. Attempting to fix complex issues without the necessary knowledge and experience may result in further damage or safety risks. Entrusting the task to qualified professionals will help restore the functionality of your AC fan and maintain the optimal performance of your air conditioning system.

8) A/C Circuit Breaker Keeps Tripping

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Problem: A/C Circuit Breaker Keeps Tripping

When your circuit breaker repeatedly trips, it can be attributed to various underlying issues. These can include power surges, capacitor failure, dirty filters or coils, low refrigerant levels, compressor failure, or problems with the circuit breaker itself. It is important to address this problem promptly to prevent further complications.

Solution for tripping circuit breaker:

If you experience the issue of a tripping circuit breaker with your air conditioning system, it is crucial to follow these steps to resolve the problem effectively:

  1. Safety first: When you notice the circuit breaker tripping repeatedly, it is important to turn off your air conditioner immediately. Do not attempt to reset the breaker as it can pose a fire hazard. Prioritizing safety is paramount in such situations.

  2. Seek professional assistance: Dealing with a circuit breaker involves electrical components, and it is not recommended to attempt a DIY solution. Contacting a professional air conditioning repair service is essential as they have the expertise to handle electrical issues safely and accurately diagnose the root cause of the problem.

By reaching out to a professional air conditioning repair service promptly, you can ensure that the tripping circuit breaker issue is addressed effectively. Professionals have the necessary knowledge and experience to identify and resolve electrical issues related to your air conditioning system. Taking timely action will not only help restore the functionality of your A/C but also contribute to prolonging its average lifespan.

Remember, electrical problems can be dangerous, and attempting repairs without proper expertise can lead to further damage or safety hazards. Therefore, it is best to rely on trained professionals for air conditioning repair in cases of a tripping circuit breaker.

9) A/C Keeps Turning ON/OFF

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Problem: A/C Keeps Turning On/Off

One frustrating problem that homeowners often encounter with their air conditioning systems is the frequent cycling on and off of the A/C unit. This issue, known as short cycling, can disrupt the cooling process and lead to inefficiency and discomfort.

Short cycling can occur due to various reasons, including dirty air filters, low refrigerant levels, a faulty thermostat, or an oversized air conditioner. Identifying the root cause of the problem is crucial for finding an effective solution.

Solution for A/C Short Cycling:

To address A/C short cycling, start by checking the air filter. If it’s dirty or clogged, clean or replace it to ensure proper airflow. If the air filter is not the cause, it is recommended to seek assistance from a professional HVAC technician.

They will diagnose the underlying problem and provide appropriate solutions. This may include checking and adjusting refrigerant levels, inspecting and calibrating the thermostat, or addressing any other issues specific to your A/C system.

Attempting to fix complex A/C problems without proper knowledge can lead to further complications. HVAC technicians have the expertise to accurately identify and resolve the root cause of short cycling, ensuring efficient and reliable cooling performance.

By relying on professional air conditioning repair services, you can restore your A/C system’s functionality, optimize energy efficiency, and enjoy a comfortable indoor environment. Don’t hesitate to contact a reputable HVAC company to schedule a service appointment and address A/C short cycling effectively.

10) Frozen Evaporator Coil

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Problem: Frozen Evaporator Coil

If your air conditioner is not providing adequate cooling, a potential culprit could be a frozen evaporator coil. This is a common issue faced by home air conditioners and often occurs when the unit doesn’t receive sufficient airflow due to debris buildup.

When dirt accumulates on the evaporator coils, it restricts the airflow, preventing warm air from reaching the refrigerant. Consequently, the refrigerant becomes excessively cold, causing moisture on the coils to freeze. This results in the coil being encased with ice, impeding the refrigerant’s ability to absorb latent heat and disrupting the proper functioning of your air conditioning system.

Solution for a Frozen Evaporator Coil:

To address the issue of a frozen evaporator coil, it’s important to diagnose the problem and take appropriate measures. Begin by inspecting the extent of the damage. Then, allow the evaporator coil to thaw completely. It’s crucial to stop using the unit and disconnect the power before proceeding. Typically, the evaporator coil takes around 24 hours to thaw naturally.

If you wish to expedite the process, you can carefully use a hairdryer to speed up the thawing. However, exercise caution not to overheat the coil. In the case of moderate frost, running the system on fan mode can help melt the frost without shutting down the unit, as the blower fan aids in the thawing process.

If the issue persists or recurs frequently, it’s advisable to seek professional air conditioner repair services. Expert technicians can diagnose the root cause of the frozen evaporator coil and implement the necessary repairs or preventive measures to ensure optimal performance and efficient cooling of your air conditioning system.

Let Us Worry About Your Problem's!!

In conclusion, you don’t have to worry about common air conditioner repair issues anymore. At Weather On Demand, we are here to take care of all your air conditioning repair needs, so you can enjoy a comfortable and cool indoor environment.

Our team of skilled technicians is well-equipped to handle a wide range of problems, including dirty AC filters, water leaks, AC noises, frozen evaporator coils, and more. You can rely on us to promptly and effectively address these issues, ensuring that your air conditioner operates at its best.

With our professional air conditioning repair services, you can have peace of mind knowing that your cooling system is in capable hands. Don’t let these problems cause you stress or discomfort. Let us handle the repairs while you sit back and relax.

Contact us today and let us worry about your air conditioning problems. Trust Weather On Demand for all your future air conditioning repair needs. We are dedicated to providing reliable service and ensuring your utmost satisfaction. Say goodbye to air conditioner worries and hello to a cool and comfortable space.