How to prolong the lifespan of your AC

Maintaining and enhancing air conditioner lifespan is crucial for ensuring its longevity and efficient performance. By adhering to a few essential practices, you can significantly extend the longevity of your AC unit and avoid unnecessary wear and tear. From regular cleaning to temperature control and seasonal inspections, this guide outlines practical tips to help you keep your air conditioning system running smoothly.


Additionally, we'll explore some valuable suggestions, such as duct cleaning and upgrading to more energy-efficient systems, that can further optimize your AC unit's functionality and reduce energy costs. Whether you have a standalone AC unit or a complex heating and cooling system, these recommendations will aid in enhancing your comfort and preserving your equipment for years to come.


How to Prolong your AC unit lifespan?


Air conditioners represent a significant investment for your home, and you undoubtedly want to maximize its lifespan. So, can you truly double the life of your air conditioner? The answer lies in one crucial rule: take care of it. Like any other household item, your air conditioner requires regular attention to keep it running at its best. 


But where to start? First, let's pay attention to the indoor unit, which can be given that extra boost of life with these easy-to-remember tips. We are using a single-split wall-mounted type unit for this example. As always, we recommend you consult a professional before attempting any cleaning tasks.  


  •  Establish a cleaning routine to keep the unit in top shape. Dust and grime buildup can force the unit to work harder, so regularly check for accumulation and dust or vacuum the casing of the unit and fins if necessary. 
  • Similarly, remember to keep the filters clean. This can be done by yourself following the instructions of the unit. It’s common for dust and debris to accumulate on the filters forcing it to work harder.
  • Temperature matters when helping prolong your AC’s lifespan and you’ll want to avoid abrupt changes in temperature or setting it to operate too cold or too hot.  
  • Schedule frequent checkups for your air conditioner depending on your usage, as it ensures peak performance before the change of season and following months.
  • Direct sunlight on your indoor unit needs to be avoided. Though this is something that would be considered at the time of installation, if the indoor unit is exposed to direct sunlight it increases the strain on the system during operation, thus its lifespan.
  • These are just a few of the easy ways that you can safeguard the lifespan of your AC unit. You’ll also want to keep your eye on the outdoor unit. Just like the indoor unit, direct sunlight has a negative impact on the performance and longevity of your system. Also, ensuring there are no blockages around the outdoor unit promotes proper airflow and enhances its lifespan. We recommend you contact a professional before attempting any of these tasks. Following these simple strategies will help your AC stay in top condition.


Women working from home adjunting AC temperature


The importance of regular Maintenance for Your AC


Performing regular maintenance on your air conditioner is crucial for preserving its energy efficiency, extending its operational lifespan, and avoiding unexpected repairs and health hazards caused by dust and grime. To ensure your equipment receives the proper care, it's essential to understand the different types of maintenance available.


Preventive maintenance acts as a safeguard, catching minor issues before they escalate and ensuring optimal performance, ultimately contributing to extending the average AC unit life. Periodic cleaning of the unit, including indoor air conditioner filters, is vital for maintaining the desired temperature, energy efficiency, and healthy indoor air quality. 


Cleaning the indoor unit fins is just as crucial as keeping the outdoor fins clean to prevent the accumulation of dirt and debris, which can negatively impact the average life of the air conditioner. By following these maintenance practices, you can ensure your air conditioner runs efficiently, providing a comfortable and healthy living environment while significantly increasing its average life. 


When should you call a Professional to Service your Air conditioning?


Recognizing the warning signs of a malfunctioning air conditioning system is basic before it breaks down entirely and impacts the AC unit lifespan. When certain indicators arise, it's essential to call in a professional technician promptly to address the issues. Understanding the signs of an AC system in need of repair can save you from costly damage or the need for a complete replacement, ultimately contributing to the extended lifespan of the aircon. By taking action early and enlisting the expertise of an experienced technician, you can ensure the proper maintenance and longevity of your air conditioning system. Here are some examples of warning signs:


  • Short cycling: AC unit turns on and off repeatedly without completing a full cooling cycle, caused by improper thermostat setting, dirty air filter, or low refrigerant levels.
  • Hot air coming from vents: Indicates low refrigerant or compressor issues.
  • High indoor humidity: Malfunctioning AC system can't reduce humidity levels, possibly due to a faulty evaporator coil or leaky ducts.
  • Unpleasant smells: Mold or mildew buildup in the unit or ductwork, or a burnt wire may be the cause.
  • Water leaks: Common issue that needs immediate professional repair to prevent serious home damage.
  • Ice accumulation on the unit: This could be a sign of refrigerant or condenser coil issues.
  • Odd noises: Clanging, hissing, or rattling sounds may indicate belt or dirty component issues. 
  • Unusually high energy bills: It may signal an inefficient AC system.
  • Warm spots on your property: This could be due to an issue with the AC or ductwork, needing immediate attention from a professional technician.


Professionals working on the maintenance of an AC unit



Signs to detect when is it time to replace your AC


The average air conditioner lifespan is estimated to be between 10 to 15 years. However, age is not the only factor to consider when asking yourself the question “Do I need to replace my air conditioner?". If your AC is no longer as efficient as before, struggles to adjust temperatures properly, or experiences frequent breakdowns despite regular maintenance, it may be time for a replacement. Other warning signs include unusually high energy bills, unusual sounds during operation, warm air blowing from the vents, and moisture buildup or refrigerant leaks. 


Additionally, when deciding between repair and replacement, consider the frequency of repairs and the unit's efficiency. Frequent breakdowns and costly repairs might indicate that investing in a new AC unit is a more economical choice in the long run. Upgrading to a more energy-efficient system can also help you save on cooling costs. 


Remember that professional HVAC technicians can thoroughly inspect your unit and provide expert advice on the best course of action, ensuring a longer air conditioner lifespan. By paying attention to these warning signs and consulting with professionals, you can ensure your home stays cool and comfortable while making a cost-effective decision for the future.


Buying guide: How to Choose the right AC according to your needs


The wide range of Hitachi residential air conditioners means there is a model to cater to various consumer needs. Choosing the best air conditioning system and installation type is essential for achieving the perfect indoor temperature while maximizing energy efficiency but it isn’t always easy to know which one is right for you. 


If you need a helping hand, our animated series The ABC of Air Conditioning: At Home could be what you need, talking through system type, what features to look out for and other key factors to consider: 





The one certain about upgrading an existing AC or a new installation is that you will be investing in improved quality and the latest technology. 


Woman reading with digital tablet lying down on bed while adjusting AC temperature


Why investing in a High-Quality AC is worth It


When it's time to replace your home's HVAC system, investing in a quality one means you’ll reap the benefits for years to come. Firstly, a quality HVAC system is energy-efficient, leading to significant savings on energy bills in the long run. Additionally, it ensures comfort all year round, regardless of weather conditions. Improved indoor air quality is another benefit, making it a wise choice, especially for those with allergies or asthma. Furthermore, it can increase the AC life expectancy by up to 20 years with proper maintenance. Ultimately, it enhances your overall quality of life by creating a comfortable home.


The benefits of upgrading to a newer AC model


Upgrading to a new AC brings advanced features that improve indoor air quality and the overall atmosphere of your home. Moreover, new-generation air conditioners are designed to be more energy-efficient, providing solutions that consume less energy while delivering optimal performance. Hitachi residential air conditioners offer the latest technology and features so that the user is able to create comfortable, healthier, and efficient indoor spaces throughout the year. Here’s a quick look at how. 


Energy Saving


New-generation air conditioners prioritize energy efficiency as a key quality, reflecting the growing demand for eco-appliances. Advancements in technology have led to better functionality while consuming less energy, aligning with eco-conscious consumer preferences. For example, within the Hitachi range, there are models built with sensors that can detect a room’s human activity and adjust the operation to a more efficient setting if the room becomes vacant. This smart feature not only responds to the user’s comfort needs accordingly but also contributes to significant energy savings. 


Also, newer models feature improved controls and scheduling options, using the remote control or apps, to match the AC’s operation with the household’s routine. Over time, the reduced energy consumption of these efficient air conditioners can offset their initial cost, making them a cost-effective friendly choice for homeowners.


Improving IAQ (Indoor Air Quality)


Investing in a new AC will mean improved Indoor Air Quality, meaning a healthier and more comfortable home. Filters are now much more advanced and innovative technologies contribute to the cleanliness of your indoor unit, contributing further still to IAQ. For example, the Hitachi airHome series features up to 4 different purification technologies that reduce bacteria, odors, and allergens. It also features FrostWash technology that both keeps the interior of the AC cleaner and helps maintain air flow performance for longer. 


Family enjoying time together thanks to a good Indoor Air Quality


In conclusion, to prolong your air conditioner lifespan, prioritize regular cleaning that can be safely done by you, temperature control, and seasonal inspections. Proper maintenance ensures energy efficiency, avoids costly repairs, and promotes a healthy living environment, so be sure you can recognize warning signs and seek professional help promptly to prevent damage and extend your aircon lifespan. 


Investing in a high-quality HVAC system improves energy savings, your home’s health, and, of course, comfort. See why a Hitachi residential air conditioner is the right option for you.  

by Hitachi Cooling & Heating