What to Know
- Air conditioners can last for 15 to 20 years if they’re the right size for your home, installed correctly, and well-maintained.
- It may be time to replace an aging air conditioner if it needs frequent or costly repairs, it can’t meet your cooling needs, or it uses discontinued R-22 refrigerant.
- The AC experts at Cozy Home Services will help you choose the right air conditioner for your home needs, install it with precision, and ensure it meets all building codes and manufacturer standards.
At Cozy Home Services, we’re often asked how long air conditioners last. A modern central air conditioner can last up to 15 or even 20 years when installed properly and well-maintained.
What Is the Average Lifespan of a Central Air Conditioner?
After professional air conditioner installation, your home cooling system should last for 12 to 20 years. Central air conditioning systems are sturdy and work well in our Mediterranean climate, providing steady cooling even on the hottest days, up to 100°F. The Cozy Home Services team provides quick, reliable AC installations in Vacaville, delivering quality home comfort to our community.
How Long Do Air Conditioners Last in California?
The average lifespan of an AC unit in California is 12 to 20 years. Environmental factors across different regions of the state can affect how long central air conditioners last in our area. For example, salt air on the coast can cause corrosion, leading to parts deteriorating quickly.
At the same time, inland communities experience extreme heat waves that tax AC systems. In Vacaville, when temperatures exceed 100°F, your system may experience issues with the refrigerant, airflow, or ductwork, as central air is only designed to cool your home 20°F from the outside temperature. This strain can diminish how long an air conditioner unit lasts in our area.
What Affects the Lifespan of an AC Unit?
Factors that can affect the lifespan of your air conditioner include:
- Size: If your AC is too large for your home, it may short-cycle, stopping and starting frequently, which can damage the compressor and fan motors. If it’s too small, it will run continuously on hot days, quickly wearing out important parts like the compressor.
- Maintenance: Without regular care, your air conditioner will accumulate dirt and grime that strain mechanical parts and restrict airflow, electrical issues can occur, and small issues won’t be caught until they develop into big problems.
- Installation quality: Technicians must understand airflow balancing, matching components, refrigerant charging, electrical connections and safety, drainage, and more to ensure AC longevity.
Seven Signs It May Be Time to Replace Your AC
So when should you replace an air conditioner? The following are some signs it could be time to think about purchasing a modern replacement:
- The system is more than 10–15 years old, and you’re ready for an upgrade.
- Repairs are becoming frequent.
- The current repair is unusually expensive
- Your energy bills are increasing.
- Some rooms remain uncomfortably warm, even when the AC is running.
- The system runs for long periods or short cycles, resulting in uneven cooling and wear on internal components.
- The unit uses aging technology or an older refrigerant, leading to more expensive repairs.
Should You Repair or Replace Your Air Conditioner?
Wondering how often you should replace your AC? It can be difficult to decide whether to repair or replace an AC unit without professional advice.
If you think it might be time to replace your air conditioner but you’re not sure, you can call Cozy Home Services seven days a week to schedule an inspection. We will take a look at your system and help you decide what’s best.
How Can You Extend the Life of an AC Unit?
The best way to extend your AC unit’s lifespan is to book regular maintenance with an HVAC professional. In Vacaville, it’s smart to schedule annual maintenance, as our air conditioners have not only to contend with high summer heat but also with humid mornings, dusty air, and wildfire smoke. Allowing a professional to clean, inspect, and tune up your AC once a year can prevent serious problems and keep your home cooling system running optimally.
Another way to ensure you’re optimizing your AC’s lifespan is to book timely repairs when something goes wrong. If you hear a strange sound, if the AC’s running but not cooling the air, or if you notice frozen coils, schedule an appointment ASAP. The longer you wait, the more damage is done.
What Should You Consider When Choosing a Replacement AC?
When you’re choosing a new AC to replace your old unit, you may want to consider:
- Energy efficiency ratings: Choosing an air conditioner with a higher SEER/SEER2 rating will help you stay cool while using less energy (and spending less on utilities).
- The price: Your new air conditioner and installation costs need to fit into your budget. At Cozy Home Services, we offer financing that can help you get the perfect AC for your needs now.
- Cooling power: Air conditioner power is measured in BTUs (British Thermal Units). Ask one of our professionals to help you find an AC that has optimal cooling capacity for your home.
- Single vs. two- or variable-stage compressors: Modern technology offers more than traditional on-off AC. With a two-stage or variable-stage compressor, you can run the AC at a lower speed for more consistent cooling.
Let Cozy Home Services Help You Decide Whether to Repair or Replace Your AC
At Cozy Home Services, our qualified HVAC technicians are honest. We won’t upsell you on services and products you don’t need. We provide professional advice and the information you need to make an informed decision. If your air conditioner’s not working properly, schedule an inspection with our team, and we’ll help you decide what’s best for your unique situation.
Our air conditioning services are comprehensive, including installations, replacements, repairs, maintenance, and inspections. Contact us today for all your air conditioner needs in Vacaville, Concord, Rumsey, Yolo, Elmira, Clarksburg, or any of the other communities we serve in Contra Costa, Napa, Sonoma, and Solano counties.
Frequently Asked Questions
How often should a central air conditioner be replaced?
A well-maintained central air conditioner will likely need to be replaced after 10 to 15 years, depending on use. If your aging AC is failing, especially if it uses outdated R-22 refrigerant, we may recommend replacing it.
Is it worth repairing an old AC unit?
Yes, it could be worth repairing your aging air conditioner if the repair costs are low and the problem is minor and unlikely to recur. Our technicians will give an expert opinion after inspecting your AC, so you can feel confident in your decision to repair or replace the unit.
What shortens the lifespan of an air conditioner?
Poor installation and lack of maintenance will both shorten an AC’s lifespan, and improper sizing can cause the unit to overwork and break down more quickly. Without regular filter changes, Vacaville’s high pollen count, dust, and smoky air can clog filters, preventing proper airflow and damaging the AC over time.