Is It Time To Replace Your AC Unit?

Are you considering replacing your air conditioning (AC) unit? Deciding to replace an AC unit is not something to be taken lightly as it requires a substantial monetary investment. However, investing in a new and energy-efficient system can provide homeowners with improved home comfort levels in every part of the home during hot summer months. While regular maintenance can help extend the life of your AC unit, it may eventually reach a point where it is no longer functioning well enough to keep up with your cooling needs. In this article, we’ll discuss when and why you might need to replace your air conditioning system.  Read on to learn more!

Air Conditioner Lifespan

The life expectancy of an air conditioning system depends on the components, installation location and how it is maintained. Generally speaking, the average AC unit can last anywhere between 10 to 15 years. However, many homeowners report that their systems need to be replaced after around 8-10 years of use due to frequent breakdowns and increased energy bills. If your central AC system has been in use for over 10 years or if you’re continually facing repair issues despite regular maintenance, then it may be time to consider replacing your unit with a newer and more efficient model. Here are some common signs that indicate that your existing system needs to be replaced: • Unusual noises and vibrations  • Increased energy bills • Inadequate cooling or humidity control • Inconsistent temperature levels

Unusual Noises & Vibrations

One of the most common signs that your air conditioning system needs to be replaced is if it’s making unusual noises or vibrating. This could indicate worn out components, faulty wiring, loose screws or other issues that can only be fixed with a full unit replacement.

Increased Energy Bills

If you notice that your energy bills have been steadily increasing despite no noticeable changes in usage, then it could mean that your system is no longer operating at peak efficiency. This means it is costing you more money to run the same amount of cooling power, which can be indicative of a system that needs to be replaced.

Inadequate Cooling Or Humidity Control

If your AC unit isn’t able to reduce the humidity level or keep the temperature cool enough in all parts of the home, then this could be a sign that it needs to be replaced with a newer model. Newer models are designed to provide better control over humidity levels and maintain consistent temperatures throughout the entire house.

Inconsistent Temperature Levels

If certain rooms in the house feel hotter or cooler than others, this could be a sign that your AC system is no longer able to maintain consistent temperatures throughout the home. If you’ve tried adjusting the temperature settings but still can’t get all of the rooms to an even temperature, then it may be time to replace your air conditioning system with a newer model.


When it comes to replacing your air conditioning system, it is important to consider all of the potential signs which could indicate that your existing unit needs to be replaced. If you find yourself regularly dealing with repair issues and increasing energy bills despite regular maintenance, then it may be time for a new unit. Be sure to do your research before making a purchase and choose an energy-efficient model that will provide optimal home comfort. Doing so can save you money in the long run and help keep your home cool and comfortable all summer long. Replacing an air conditioning system is a big decision, but it can be necessary if your existing unit has reached its end of life. Knowing the signs that indicate replacement is key, such as increased energy bills, inadequate cooling or humidity control, inconsistent temperature levels, and unusual noises or vibrations. Investing in a new and energy-efficient system can provide homeowners with improved home comfort levels during hot summer months. Be sure to do your research before making a purchase to ensure you get the best possible system for your needs. With the right AC unit, you can enjoy a cool and comfortable home all year round. 


If you’re having trouble with your existing air conditioning system and suspect it may need to be replaced, let the experienced HVAC technicians at AJM HVAC help! Our team is equipped to provide you with professional advice and recommendations on which model is best for your home or business. Contact us today and we’ll help get your home back to a comfortable temperature all summer long!