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Extend the Lifespan of Your Air Conditioner with These Tips


Air conditioning units are vital to maintaining a comfortable home environment, especially during the scorching summer months. However, like any machine, they require regular upkeep to function effectively and efficiently. They require the constant checking of the the unit’s parts like the air conditioner refrigerant and filters. This guide will provide several easy-to-follow tips on how to extend the lifespan of your air conditioner, ensuring that it continues to cool your home effectively for many years to come.

Regular Cleaning and Maintenance

Cleaning the air filter

Over time, dust and debris accumulate on the filter, impeding the airflow and forcing the system to work harder than necessary. This not only reduces the cooling efficiency but also increases energy consumption. It’s recommended to clean the filter every month during peak usage and replace it every three months or as the manufacturer recommends. Regular cleaning and replacement of filters can significantly enhance the performance and longevity of your air conditioning unit.

Cleaning the condenser coils

The condenser coils are responsible for expelling the heat removed from the air by releasing it outside the building. Over time, these coils can become encrusted with dirt, dust, and other debris, which insulates the coils and reduces their ability to dissipate heat. 

This inefficiency can lead to increased wear and tear on the system and higher energy bills. To clean the condenser coils, turn off the unit and remove any visible debris from the exterior. Use a commercially available coil cleaner following the manufacturer’s instructions for a more thorough cleaning. 

Clearing debris around the outdoor unit

Over time, leaves, branches, dirt, and other debris can accumulate, restricting the airflow and reducing the system’s efficiency. This debris can also enter the system, causing physical damage. To prevent this, regularly inspect the area around the outdoor unit and remove any debris. 

Consider cutting back any overhanging branches or vegetation that could drop leaves into the unit. As a rule of thumb, at least 2 feet of clear space should be on all sides of the unit to ensure adequate airflow. 

Checking and cleaning ductwork

Dust, pet dander, and other airborne particles can build up within the ducts, reducing your system’s efficiency, decreasing air quality, and potentially leading to health issues. To ensure optimum performance, it’s recommended to have your ductwork professionally inspected and cleaned every 3-5 years. However, you can also conduct a visual inspection at home. If there’s visible dust, mold, or a noticeable decrease in airflow, it may be time to have the ducts cleaned. 

Proper Usage Habits

Programmable Thermostats and Timers

Utilizing a programmable thermostat or timer can significantly improve the efficiency of your air conditioning system. These devices allow you to set a schedule for your air conditioner, ensuring it’s only running when needed. For instance, setting the thermostat to increase the temperature while you’re at work or during sleep hours and decrease the temperature when you’re home can result in substantial energy savings. Remember, each degree you adjust can equate to up to a 5% reduction in energy usage. 

Avoid Cooling Empty Rooms

Another simple yet effective practice is to close the vents and doors of rooms that are not in use. There’s no point in cooling an unoccupied room, and by completing the vents, you redirect the cool air to the areas where it’s needed most. This can also reduce the strain on your air conditioning system and contribute to its longevity.

Regular System Shutdowns

It may seem counterintuitive, but restating your air conditioning system can improve its performance. Regularly shutting down the system, especially during cooler weather, can help prevent wear and tear and extend its lifespan. Consider using fans or opening windows to cool your home during these periods.

Adopting these proper usage habits can improve your air conditioning system’s efficiency, reduce your energy consumption, and lower your utility bills. Remember, the key to maximizing the lifespan and efficiency of your system lies in regular maintenance and sensible usage.

Timely Professional Inspections

Regular professional inspections are vital for maintaining the optimal performance of your air conditioning system. Ideally, you should have your system inspected by a certified HVAC professional at least once a year. These inspections can uncover hidden issues that may not be apparent to the untrained eye. 

A professional can assess the overall condition of your system, clean and adjust components as needed, and provide recommendations for maintenance or repair. This ensures that your system operates at peak efficiency and prevents minor issues from escalating into costly repairs or system failure. Remember, an ounce of prevention is worth a pound of cure for your cooling system.

Avoiding Overworking the System

Avoiding overworking your air conditioning system is essential to maintaining its longevity and ensuring optimal performance. Avoid setting your thermostat to extreme temperatures to prevent overworking, especially during peak summer days. This practice can put undue strain on the system, leading to potential damage and increased energy consumption. 

Instead, aim for a comfortable temperature that allows your system to operate efficiently. Utilizing energy-efficient appliances and insulating your home can also help reduce the load on your air conditioning system. Moreover, keep heat-generating appliances away from your thermostat, as they can cause it to read a higher temperature and run longer than necessary.

Maintaining a Clean and Vented Living Space

Maintaining a clean and properly ventilated living space plays a crucial role in optimizing the performance of your air conditioning system. Regularly cleaning and dusting your home helps prevent the accumulation of dust and debris on the air conditioner’s filters and other components, ensuring smoother airflow and higher efficiency. 

Furthermore, proper ventilation can significantly assist in maintaining a balanced indoor temperature and ensuring that your air conditioning system does not have to work overtime. Providing windows and vents are not obstructed, using exhaust fans in areas like the kitchen and bathrooms, and considering an energy recovery ventilator are all effective strategies for improving ventilation in your home. Remember, a clean and well-ventilated home is healthier for residents and friendlier for your air conditioning system.


A little attention to detail and routine care can significantly extend the lifespan of your air conditioner, saving you from unexpected breakdowns and costly repairs. By optimizing your thermostat settings, maintaining a clean and well-ventilated living space, and making use of energy-efficient appliances, you can enhance the performance and longevity of your air conditioning system. With these tips, you can keep your home cool and comfortable while ensuring your air conditioner operates at its best for years.



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