Should You Repair Or Replace Your Air Conditioner?
April 16, 2026
Purchasing a new air conditioner is a major investment for your home, so wanting to get the most out of your unit is only natural. For that same reason, feeling indecisive about whether to repair or replace your air conditioner is also natural, but at some point you have to determine whether your home and your wallet are better off with a new, more energy-efficient system. So how do you know when it’s worth saving and when it’s time to pull the plug? There’s no one right answer, but there are a variety of factors you should take into consideration to accurately assess the life expectancy of your air conditioner.
Life Of An Air Conditioner: How Long Do A/C Units Last?
On average, the life of an air conditioner lasts around 15 years, but well-maintained units may live closer to 20 years. After that, an outdated A/C is likely to lag in energy efficiency and performance compared to a modern system. Additionally, today’s air conditioner models are required to use a more environmentally-friendly refrigerant, meaning aging systems still dependent on old refrigerants may be harder to maintain. As these old hydrofluorocarbon (HFC) refrigerants are phased out of modern units, they’re more expensive to obtain.
Replacing an air conditioner is typically the right route to go if it starts causing problems in the later years of its life, but age isn't the only criteria you should use to make the decision. Repairing an air conditioner may still be a viable option if it generally works well, has been maintained and is in good condition, with minor repairs able to extend its life and save you the cost of a full replacement.
Factors To Help You Decide When To Replace An Air Conditioner
As with any investment, money is likely top of mind when deciding whether to repair or replace an air conditioner. A fix here and there may help you save money in the short term, but how long before repeat repairs start to take a toll, too? When weighing your options, consider whether your A/C is still equipped to keep up with your home cooling needs or if repair expenses are only going to continue adding up long term. Before replacing an air conditioner, keep these four factors in mind to feel confident in your decision:
Condition: Has Your A/C Received Regular Maintenance?
Air conditioner maintenance plays a critical role in the stability of system performance over time. The condition of your A/C is largely dependent on how well and how often you’ve maintained it over the years. Outside factors like flooding or other potential environmental damage can also hamper its condition, but neglecting to care for it properly is just as damaging. A beat-up system that’s barely hanging on may even be dangerous in some cases. Replacing an air conditioner should be a priority if the equipment is in poor shape.
Performance: Is Your A/C Still Meeting Your Home’s Cooling Needs?
If your current air conditioner was incorrectly sized at installation or you've made upgrades to increase your home's efficiency since it was installed, you could be wasting energy. A new, professionally sized A/C will keep you more comfortable, cost less to operate and cause less frequent breakdowns. If your A/C isn’t reaching all the areas of your home or is working over time to try to keep up, keeping it isn’t sustainable.
Efficiency: Are You Wasting Money On An Inefficient Unit?
Although replacing an air conditioner can be expensive, consider how much it costs to operate an inefficient unit month after month. As your A/C gets older, it will continue to use more energy to perform the same level of cooling, and it will become costly to operate.
An air conditioner maintenance tune-up may be enough to restore efficiency, but eventually your energy bills will start to go up. Choosing an energy-efficient replacement could save you up to 20 percent on your cooling expenses, making your investment worth it in the long run. A new unit also increases the value of your home if you’re planning on selling in the future.
Cost: Are Repairs Adding Up?
As your air conditioner ages, there will come a time when it simply won't be worth paying for fix after fix for a failing unit. The cost to repair an air conditioner varies depending on if parts need to be replaced and if labor is involved, but even smaller repairs start to add up. If you get to the point where repair costs add up to about half the cost of a new system or can’t take the unpredictability any more, it's time for a replacement.
When Repairing An Air Conditioner Makes Sense
If you’re still overwhelmed at the thought of a replacement, repairing an air conditioner can still make sense in the right circumstances. Ultimately, you get to decide when the performance and cost of your A/C are no longer living up to your expectations even with diligent repairs. The life of your air conditioner may still be worth saving if:
- Your unit is relatively new
- Issues are related to airflow, indicating a potential issue with vents and ducts rather than the unit itself
- The problem is isolated to one component
- The problem is a one-off not likely to repeat
- You still have an existing warranty
- Your unit is regularly inspected and tuned up by professionals and shows no signs of a larger underlying issue
How Air Conditioner Maintenance Extends The Life Of Your System
Regularly scheduled air conditioner maintenance appointments, including A/C tuneups, are an essential part of keeping your air conditioner and furnace in good shape. An HVAC technician may be able to spot issues before they become bigger problems, ensuring a longer lifespan for your home comfort system. As a homeowner, you have the power to extend the life of your air conditioner by ensuring parts are replaced or cleaned as needed to keep your system running smoothly as a whole. Maintenance allows you to get the most out of your unit without needing a replacement while also limiting the need for repairs.
Time To Repair Or Replace Your Air Conditioner? Contact Lozier For Local Service!
Whether you want to repair or replace your air conditioner or need help deciding, Lozier Heating and Cooling is here to help you take the next step. Providing local service for Des Moines homeowners, our priority is to deliver long-lasting home comfort. Call us at (515) 267-1000 for more guidance or schedule an appointment online to get started with air conditioner maintenance, repair or installation.