18 Tips to Efficiently Use Your Car’s Air Conditioner [2023]

Car air conditioning is the most useful invention ever made in the automotive industry. The hot summer weather has arrived, which gives a reminder of how critical your car’s air conditioning system is for keeping you comfortable while driving. It is challenging to imagine driving without an efficient air conditioner (AC) during the summer. 

Air conditioning is necessary not only to keep you cool, but also to prevent heat-related illnesses. While opening the windows may save some gas but for true comfort, turn on the air conditioning and allow it to lower the humidity. Anyone can select the temperature setting but there is, however, an art to truly mastering the chill. Here are 18 tips to help you keep your air conditioner running efficiently.

  1. Park under shade
  2. Run AC on defrost mode weekly
  3. Cleaning and changing filters
  4. Refrain from pre cool the car
  5. Set coldest setting
  6. Don’t recirculate
  7. Ventilate the car 
  8. Windows must be rolled up
  9. Installing window shades
  10. Through sunroofs
  11. Cool the car daily
  12. Check the refrigerant level 
  13. Keep the car clean 
  14. Shut down properly 
  15. Get a full AC service
  16. Turn off auto stop & start
  17. Keep the condenser clean 
  18. Clean the dirty filters 

1. Park Under Shade: 

Park Under Shade car

Parking the car in a cool place can help the air conditioner work more efficiently. Keeping your car out of direct sunlight or in the shade helps to prevent overheating and makes it easier for the air conditioner to cool. It may take longer to cool the car if the AC is already extremely hot when you turn it on.

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2. Run A/C on Defrost Mode Weekly: 

Run A/C on Defrost Mode Weekly for car

You should defrost your air conditioner once a week for 10 minutes at the coolest setting and maximum fan speed. AC maintains gas pressure, keeps your compressor running smoothly, removes moisture, and prevents mildew.

This includes running your air conditioning in the winter to remove humidity and defog the windshield.

3. Cleaning and Changing Filters: 

Cleaning and Changing Filters for car

If there is a lot of dirt on it, it is time to replace it. Clogged cabin air filters obstruct airflow. Regularly inspect, clean, or replace your filter.

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4. Refrain From Pre-cool the Car: 

Refrain From Pre-cool the Car

When you’re driving, your car’s air conditioning is at its most efficient. Refrain from pre-cooling your car. On extremely hot days, turn on the fan and open only the backseat windows for 10 to 20 seconds to force out the hot air.

5. Set Coldest Setting: 

Set Coldest Setting for car

It is most efficient when your car’s air conditioning is set to the lowest temperature, and the fan is adjusted for comfort. Most air conditioners cool the air to 3-4 degrees Celsius. When the temperature rises, the system must reheat the air, which requires more effort and fuel.

6. Don’t Recirculate: 

Don’t Recirculate your car ac

Consider turning off the recirculation mode if you have passengers in the back seat. The recirculation mode draws air from the vehicle’s front and re-cools it. It works well for passengers in the front of your vehicle, but it can leave the air in the back stale and hot.

7. Ventilate the Car: 

Ventilate the Car

You should let your car air out before turning on the AC. Sliding down the car windows before starting the engine helps to release the trapped heat. This will lower the temperature of your car, allowing the AC to cool faster.

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8.  Windows Must Be Rolled Up: 

Windows Must Be Rolled Up

Ensure your car windows are completely closed when the air conditioner is on. This will help cool the cabin more quickly and for a longer period. 

9. Installing Window Shades: 

Installing Window Shades for car

The less sunlight enters your car’s interior, the less work the AC has to do to keep it cool. Installing window shades can be a very cost-effective way to reduce heat buildup.

10. Through Sunroofs: 

Through Sunroofs car

Because hot air rises, the sunroof serves an additional purpose. Open your car’s sunroof if it has one, and the hot air will escape naturally.

11. Cool the Car Daily:

Cool the Car Daily

Use your car’s air conditioning on a daily basis; the system will only last as long as it is used on a regular basis, regardless of the weather, or keep the air conditioner running for about ten to fifteen minutes at least once a week.

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12. Check the Refrigerant Level: 

Check the Refrigerant Level of your car

A refrigerant is used to cool the air from the AC vents. It is necessary to keep an eye on the refrigerant level to keep the AC running smoothly and the cabin cool.

13. Keep the Car Clean: 

Keep the Car Clean

Dirt and bacteria can harm your car’s air conditioning system. Clean, dust, and vacuum regularly to keep dirt and debris at bay.

14. Shut Down Properly: 

Shut Down Properly your car

When you arrive at your destination, turn off the air conditioning before turning off the ignition. After turning off the air conditioner, leave the fan running to ensure the evaporator and its surroundings are dry. This means that moss and other bacteria will not grow here, and you will not have to deal with bad smells or, in the worst-case situation, respiratory system diseases.

15. Get a Full A/C Service: 

Get a Full A/C Service for your car

The best way to keep your car’s air conditioning in good working order is to have it serviced regularly. This will ensure that the air conditioner is in good working order and provides adequate cooling. Keeping your air conditioner serviced will improve its efficiency.

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16. Turn Off Auto Stop/Start: 

Turn Off Auto Stop/Start of your car

Consider turning off your car’s auto start/stop system if it’s newer. This feature saves fuel, but it keeps the air conditioning compressor running when the engine is turned off in many cars.

17. Keep the Condenser Clean: 

Keep the Condenser Clean

The car AC condenser is in charge of re-cooling the refrigerant by expelling excess heat into the passing airflow. The airflow path can become clogged with dirt and debris, resulting in reduced cooling efficiency. It would help if you cleaned your car’s AC condenser regularly.

18. Clean the Dirty Filters: 

Clean the Dirty Filters

It is recommended that you clean your car’s air conditioning filters regularly. If the filters are too clogged, they should be replaced.

Common Steps for Service Schedule Involved in a Car Air Conditioning System:

Maintenance is one way to ensure a constant flow of cool air through your car’s AC vents. Still, knowing how to use your car’s air conditioning system for maximum efficiency and proper cooling inside the cabin is also important.

  • Check the temperature of the air vents.
  • The operating (refrigerant) gas should be reclaimed, recycled, or replaced.
  • Replace or inspect the receiver drier/filter.
  • Drive belts and pulleys must be adjusted.
  • Examine the operation of the valves and thermostats.
  • Examine the system lines and components for leaks and damage.
  • Examine various pipes and components.
  • Condenser fins must be cleaned.
  • Clean and deodorize the air conditioning system.

Option: Automatic Climate Control: 

Automatic Climate Control of your car

Lowering the temperature does not cause the car to cool down faster if you have automatic climate control. Most systems will adjust the fans and temperatures automatically, so you can set it and forget it.

Concluding Note: No matter how hot it is outside, by following these tips, you can keep the interior of your car cool at all times. Furthermore, you will save money in the long run by paying less for fuel and repairs or part replacements for the car’s air conditioning system. If you found the information in this article useful, please share it with others who may also find it useful.

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FAQs

What are the most common car air conditioning issues?

Leaking Refrigerant, Blocked Condenser, Bad Fans, and  Bad Compressors are the common issues. 

Is car air conditioning depending on the engine?

The engine is an essential component of the car AC because it powers everything.

Is the speed of a car affected by its air conditioning?

The air conditioner slows down the speed of a car because your AC causes your RPM to drop, reducing your acceleration.

How long does a car’s air conditioning last?

Compressors typically last the life of a car for 12 – 15 years or more, depending on how well the car is maintained.

 Is car air conditioning powered by a battery or by fuel?

The car air conditioning system is powered by gas.

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