20 Common AC Problems in Kolkata Summers: Causes, Solutions, and FAQs.

Is it getting hot and you facing various AC Problems? As the scorching Kolkata summer approaches, your air conditioner becomes your most cherished companion. However, it’s not uncommon for AC units to encounter issues during this season due to the extreme heat and humidity.

In this blog post, we’ll delve into the common AC problems Kolkata residents face during the summers, explore their root causes, and provide practical solutions to keep your cooling system running smoothly. We’ll also answer frequently asked questions to help you understand and address AC issues effectively.


Causes and Solutions for Common AC Problems in Summer

Causes and Solutions for Common AC Problems in Summer
Causes and Solutions for Common AC Problems in Summer Top AC Technicians in Kolkata

During scorching summers, air conditioning units become essential, but AC is not immune to problems. A common problem is insufficient cooling, often caused by a clogged air filter or refrigerant leak. Another common concern is unusual noise, which can arise from loose parts or faulty fans. Frequent cycling on and off may indicate a faulty thermostat or low refrigerant level. Furthermore, water leaking from the unit suggests a blocked drain or a refrigerant leak.

Quick2Service in Kolkata stands out as a reliable solution provider for these AC problems With their expert technicians and prompt service, they tackle these issues perfectly. Their skilled team diagnoses the problem accurately and efficiently, ensuring your AC runs smoothly throughout the summer months. Don’t let common AC problems disrupt your comfort – trust Quick2Service for quick and effective solutions in Kolkata.

1. Low Cooling Efficiency


Low cooling efficiency often results from clogged filters, refrigerant leaks, or a malfunctioning compressor. The relentless Kolkata heat can strain your AC system, leading to reduced performance.


• Clean or replace air filters regularly.
• Schedule professional maintenance to check for refrigerant leaks.
• Ensure the compressor is in good condition.

2. Uneven Cooling


Uneven cooling can occur due to improper insulation, blocked vents, or a malfunctioning thermostat. Kolkata’s varying temperatures can exacerbate this issue.

  • Check and improve home insulation.
  • Ensure all vents are unobstructed.
  • Calibrate or replace the thermostat if necessary.

3. AC Unit Not Turning On


A non-responsive AC unit may be due to electrical issues, a faulty capacitor, or a tripped circuit breaker.

  • Check the circuit breaker and reset it if necessary.
  • Inspect the capacitor for signs of damage.
  • Contact a professional for electrical diagnostics.

4. Strange Noises


Unusual sounds like banging, hissing, or rattling can indicate loose parts, refrigerant leaks, or fan motor issues.

  • Tighten loose components.
  • Address refrigerant leaks promptly.
  • Lubricate or replace the fan motor.

5. Water Leakage


Water leakage from your AC unit could be the result of a clogged condensate drain, frozen evaporator coils, or improper installation.

  • Clear the condensate drain off any obstructions.
  • Ensure proper airflow and insulation to prevent freezing.
  • Consult a professional for reinstallation if needed.

6. Foul Odors


Unpleasant odors can stem from mold or bacteria growth within the AC system, especially in Kolkata’s humid climate.

  • Clean or replace air filters to reduce mold buildup.
  • Consider installing UV lights to kill bacteria.
  • Schedule professional cleaning and disinfection.

7. Dirty Air Filters


Accumulation of dirt and debris on filters.

  • Regularly replace or clean the air filters (every 1-3 months) to maintain proper airflow and efficiency.

8. Refrigerant Leaks


Degraded or damaged refrigerant lines or components.

  • Contact a professional HVAC technician to locate and repair the leak, then recharge the refrigerant.

9. Thermostat Issues


Incorrect thermostat settings or a malfunctioning thermostat.

  • Check and calibrate the thermostat. Consider upgrading to a programmable or smart thermostat for better control.

10. Faulty Capacitors


Capacitors that have worn out or failed.

  • Have a technician inspect and replace faulty capacitors as needed.

11. Frozen Evaporator Coils


Restricted airflow or low refrigerant levels.

  • Turn off the AC to let the coils thaw. Clean or replace air filters, and ensure proper airflow around the unit.

12. Blocked Condenser Unit


Accumulation of debris around the condenser unit.

  • Clear away any debris or vegetation around the condenser unit regularly.

13. Malfunctioning Compressor


A compressor that is failing or not functioning properly.

  • Typically requires professional attention. A technician can diagnose and replace the compressor if necessary.

14. Fan Issues


Worn-out belts, motor problems, or damaged blades.

  • Schedule regular maintenance to check and replace worn belts, lubricate motors, and clean blades. If there’s a specific issue, contact a technician.

15. Leaking Ducts


Gaps or cracks in the ductwork.

  • Have a professional HVAC technician inspect and seal any leaks in the ductwork.

16. Clogged Drain Line


Accumulation of algae, dirt, or debris in the drain line.

  • Pour a mixture of bleach and water down the drain line to clear out blockages. If it’s still blocked, consult a technician.

17. Electrical Issues


Wiring problems, faulty components, or electrical malfunctions.

  • Contact a professional electrician or HVAC technician to inspect and repair any electrical problems.

18. Lack of Maintenance


Neglecting regular maintenance tasks.

  • Schedule regular maintenance with a qualified technician to clean and inspect your AC system.

19. Strange Noises


Loose parts, worn components, or motor issues.


If you hear unusual sounds, turn off the AC and contact a technician for a proper diagnosis and repair.

20. Uneven Cooling


Issues with ductwork, insulation, or thermostat settings.


Have a technician inspect the ductwork, check the insulation, and calibrate the thermostat to ensure even airflow.

Remember, while some of these solutions can be done by homeowners, many AC problems require professional expertise. It’s best to contact a licensed HVAC technician from Quick2Service, for repairs or complex issues.

Resource: Common AC Problems


As the Kolkata summer intensifies, it’s crucial to stay prepared for common AC problems. By understanding the causes and implementing the recommended solutions, you can keep your cooling system running efficiently, ensuring a comfortable and cool environment in your home. If

you ever encounter complex issues, don’t hesitate to seek professional assistance to maintain your AC’s longevity and functionality. Stay cool, Kolkata!

At Quick2Service, we’re here to ensure your summer in Kolkata stays refreshingly cool. Don’t let common AC problems ruin your comfort. Our team of expert technicians is just a call away to address any AC issue you encounter.

Contact Us Today

Reach out to us to schedule a professional AC checkup. We’re ready to keep your AC running smoothly throughout the Kolkata summer. Don’t let the heat get the best of you – trust Quick2Service for reliable AC repair and maintenance services. Your comfort is our priority!

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Q1: How often should I clean or replace my AC filters?

Ans: Ideally, clean or replace filters every 1-2 months for optimal performance.

Q2: Is it normal for my AC to cycle frequently during hot Kolkata summers?

Ans: Frequent cycling can indicate issues; consult a professional to diagnose the problem.

Q3: Can I fix refrigerant leaks in my AC unit myself?

Ans: Refrigerant work requires professional expertise; it’s unsafe and illegal to attempt it yourself.

Q4: What is the average lifespan of an AC unit in Kolkata?

Ans: AC units typically last 10-15 years, but regular maintenance can extend their lifespan.

Q5: How can I improve my AC’s energy efficiency in the summer?

Ans: Ensure proper insulation, seal any gaps, and schedule regular AC maintenance.

Q6: Why is my AC not cooling properly?

Ans: This could be due to dirty or clogged air filters. Try cleaning or replacing them to improve airflow.

Q7: My AC is making strange noises. What should I do?

A: Unusual noises might be caused by loose parts. Check for any visible loose screws or components and tighten them if necessary.

Q8: Why does my AC keep turning on and off frequently?

A: This could be a sign of a dirty or malfunctioning thermostat. Clean it or consider replacing it if needed.

Q9: There’s water leaking from my AC. What’s the issue?

A: This might be due to a clogged condensate drain. Try clearing any debris or obstructions from the drainpipe.

Q10: My AC unit is freezing up. What’s causing this?

A: This can be caused by restricted airflow, often due to dirty air filters or blocked vents. Clean or unblock them to improve airflow.

Q11: The AC remote isn’t working. What should I check?

A: First, ensure that the remote has working batteries. If the issue persists, check for any obstructions between the remote and the AC unit.

Q12: Why is there a strange odor coming from my AC?

A: This could be due to mold or mildew growth in the ductwork or evaporator coil. Consider cleaning or replacing the affected components.

Q13: The circuit breaker keeps tripping when I turn on my AC. What’s wrong?

A: This might indicate an electrical issue. Check for any loose wires or connections and replace any damaged components.

Q14: My AC is not turning on at all. What should I do?

A: Ensure that the thermostat is set correctly and the batteries are functional in both the thermostat and remote. If the issue persists, check the circuit breaker.

Q15: How often should I clean or service my AC unit?

A: Regular maintenance is essential. Clean or replace air filters every 1-2 months and schedule professional servicing annually.

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