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Window Air Conditioners

How Long are Window Air Conditioners Good?

ByRalph P. Sita Updated onJanuary 20, 2025

The lifespan of a window air conditioner can vary, with most units lasting between 10 to 15 years on average. However, factors such as the unit’s quality, frequency of use, and maintenance practices can greatly impact its longevity. While some models may only last a few years under heavy use, others can continue to operate for over a decade if well-maintained. To maximize the lifespan of your window air conditioner, regular maintenance is essential. Ensure the unit is properly installed, clean the filters frequently, and follow the manufacturer’s maintenance instructions. By taking these steps, your window AC can remain efficient and provide cooling comfort for many years.

How Long are Window Air Conditioners Good for
Credit: www.forbes.com

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  • How Long are Window Air Conditioners Good for?
  • How long do window air conditioners last?
  • Tips for extending the lifespan of your window air conditioner
  • Signs it’s time to replace your window air conditioner
  • Next Steps
    • Related Articles

How Long are Window Air Conditioners Good for?

Window air conditioners are not built to last forever. However, with proper maintenance, they can last for a very long time. The average lifespan of a window air conditioner is between 10 and 20 years.

To get the most out of your window air conditioner, it is important to perform regular maintenance. This includes cleaning the filters monthly and making sure that the coils are free of dirt and debris. Additionally, it is important to keep the unit properly lubricated.

These simple steps will help to extend the life of your window air conditioner and keep it running efficiently for many years to come.

However, This Can Vary Depending on the Quality of the Unit And How Well It is Maintained. It is important to have your air conditioner serviced at least once a year by a qualified technician. This will help to ensure that it is operating efficiently and effectively. Depending on the type of unit, there are different maintenance tasks that need to be carried out.

For example, window air conditioners will need the coils cleaned and the fan blades oiled, while central units will require more extensive servicing.

Window air conditioners can last for a varying length of time, depending on a variety of factors. On average, a window air conditioner can last for 10-15 years, but some units may last longer or shorter depending on how well they are maintained and used.

How long do window air conditioners last?

There are several factors that can affect the lifespan of a window air conditioner:

  1. Higher-quality units are generally more durable and longer-lasting.
  2. Proper maintenance, such as regularly cleaning the filters and coils, can help extend the lifespan of a window AC unit.
  3. Overusing a window air conditioner or using it in an environment that is too hot or humid can cause it to wear out more quickly.
  4. A poorly installed window air conditioner may not function as efficiently and may have a shorter lifespan.

Tips for extending the lifespan of your window air conditioner

  1. Proper installation: Make sure your window air conditioner is installed correctly and that it is the right size for your space. An improperly installed unit may not function as efficiently and may have a shorter lifespan.
  2. Regular maintenance: Cleaning the filters and coils regularly can help keep your unit running smoothly and efficiently. It’s also a good idea to have a professional service your unit every few years to check for any potential issues.
  3. Use a cover: Covering your window air conditioner with a protective cover when it is not in use can help protect it from the elements and extend its lifespan.
  4. Use it wisely: Avoid overusing your window air conditioner and try to set the thermostat at a moderate temperature. Using the unit excessively or setting the thermostat too low can put extra strain on the unit and cause it to wear out more quickly.
  5. Keep it clean: Dust and debris can accumulate on the unit and cause it to work less efficiently. Regularly cleaning the exterior of your unit can help extend its lifespan.

Signs it’s time to replace your window air conditioner

  • Decreased cooling efficiency: If your window air conditioner is no longer cooling as effectively as it used to, it may be time to consider replacing it. This could be due to a number of issues, such as a worn-out compressor or low refrigerant levels.
  • Frequent repairs: If you find yourself having to repair your window air conditioner frequently, it may be more cost-effective to replace it rather than continuing to make repairs.
  • Noisy operation: If your window air conditioner is making unusual noises or is louder than usual, it could be a sign that there is a problem with the unit.
  • Age: As with any appliance, the older a window air conditioner gets, the more likely it is to experience problems and need to be replaced. If your unit is more than 10-15 years old, it may be time to consider replacing it.

Next Steps

window air conditioners are a convenient and cost-effective way to cool your home. However, like any appliance, they have a limited lifespan and will eventually need to be replaced. By properly installing and maintaining your unit and using it wisely, you can help extend its lifespan and ensure that it continues to work effectively.

If you notice any issues with your window air conditioner or if it’s no longer cooling as efficiently as it used to, it may be time to consider replacing it. When shopping for a replacement unit, be sure to look for one that is energy-efficient and has the features and options that you need. It’s also important to consider the price and warranty of the unit before making a purchase.

By regularly replacing your window air conditioner and properly maintaining it, you can ensure that your home stays cool and comfortable all year round.

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Ralph P. Sita
Author: Ralph P. Sita

Ralph P. Sita is a seasoned professional with deep roots in both the HVAC and tech industries. His family’s business, Ralph P. Sita, Inc., is a locally owned and operated HVAC contractor with over 42 years of experience, serving the DC, Maryland, and Virginia areas. The company specializes in residential, commercial, and industrial heating, ventilation, and air conditioning services, offering everything from installation and maintenance to custom ductwork and indoor air quality solutions -www.ralphpsita.com. A former CPA, he spent the last decade as co-founder and co-CEO at Cybrary, a leading platform for cybersecurity and IT training. Cybrary became the largest, most well-known cybersecurity training businesses in the industry under his leadership. Smart AC Solutions is an opportunity to give back to the HVAC community by providing reliable, actionable information on all things heating and cooling.

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Ralph P. Sita

Ralph P. Sita is a seasoned professional with deep roots in both the HVAC and tech industries. His family’s business, Ralph P. Sita, Inc., is a locally owned and operated HVAC contractor with over 42 years of experience, serving the DC, Maryland, and Virginia areas. The company specializes in residential, commercial, and industrial heating, ventilation, and air conditioning services, offering everything from installation and maintenance to custom ductwork and indoor air quality solutions -www.ralphpsita.com.

A former CPA, he spent the last decade as co-founder and co-CEO at Cybrary, a leading platform for cybersecurity and IT training. Cybrary became the largest, most well-known cybersecurity training businesses in the industry under his leadership.

Smart AC Solutions is an opportunity to give back to the HVAC community by providing reliable, actionable information on all things heating and cooling.

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