How Often Should AC Units Be Replaced?

Your air conditioner works hard to keep your home comfortable through Oklahoma’s extreme seasons. However, even the most reliable system won’t last forever. At Hill & Company, we know how important it is to recognize when it’s time for an AC replacement — before small issues turn into major problems.

Whether you’re noticing inconsistent cooling or planning the best time for air conditioning replacement, understanding how often to replace your unit can help you protect your comfort, energy efficiency and budget.

Life Expectancy Of Air Conditioning Units In Oklahoma City

With proper maintenance, the standard life expectancy of an air conditioning unit falls between 10 to 15 years. Several factors can influence how long your system will last, including:

• Frequency of professional maintenance
• Climate and seasonal demands
• Quality of installation
• Brand and model of the system

In Oklahoma City, the summer heat waves can put serious strain on cooling systems. Reaching the upper end of your system’s lifespan requires regular tune-ups and prompt repairs for adequate performance. Our local air conditioner technicians can help you through all aspects of a new installation.

We’ll perform a free detailed inspection of your home, which will include a heat gain and loss analysis to ensure the system is properly sized for your home. Our team will also perform airflow calculations on your existing ductwork to ensure proper airflow for your comfort and system performance, as well as address all codes to ensure a worry-free installation. We provide you with options designed to meet your comfort and affordability goals.

Signs It’s Time For An Air Conditioner Change

If your unit is nearing the 10 to 15-year mark, you might start wondering if it’s time for an air conditioner change. Below are a few signs that replacement could be a beneficial choice.

1. Frequent Air Conditioning Repairs

Needing one or two small repairs over a system’s lifetime is normal. However, if you’re calling for AC service every season, it may be more cost-effective to replace the system.

2. Rising Energy Bills

Older units are prone to losing efficiency over time. If your cooling costs keep climbing without any major changes to your home or thermostat habits, it might be time to invest in a more energy-efficient model.

3. Uneven Cooling

Hot and cold spots around the house usually point to aging equipment or ductwork issues. A new cooling system can help restore consistent comfort throughout your home.

4. Outdated Refrigerant

If your current system still uses R410A or R-22 refrigerant (commonly called Freon™), replacement may be necessary in the coming years. The process for phasing out R-22 began in January 2020 due to environmental concerns. In January of 2025, R410a refrigerant also began phasing out. Most refrigerants are only available in recycled supplies, making newer systems with approved refrigerants the go-to choice for installation. This phase-out will cause refrigerant-related repairs to become more expensive over time.

The Importance Of AC Replacement In Oklahoma City

Oklahoma City’s climate puts a serious demand on cooling systems. With long, humid summers and frequent heatwaves that push temperatures into the triple digits, air conditioning units in this region have to work harder than those in milder climates.

Since Oklahoma City is located in the heart of Tornado Alley, these intense weather conditions bring special considerations for cooling systems in the region. Tornado season brings intense storms, high winds and debris that can physically damage outdoor units. These weather patterns make regular assessments and timely HVAC services even more important.

Homeowners in surrounding communities like Edmond, Norman, Yukon and Moore face the same challenges — humidity, dust buildup from windy days and the risk of storm-related damage. Staying proactive about air conditioner changes helps residents across the Oklahoma City area avoid unexpected breakdowns when they need indoor comfort the most.

How Often To Replace AC Units In Oklahoma City

In Oklahoma City’s demanding climate, even a well-maintained AC system becomes less reliable after 12 to 15 years. Scheduling annual maintenance with a trusted company like Hill & Company can extend your unit’s lifespan. But when the time comes, we’ll be here to help guide you through the new installation process with honest recommendations.

Protect Your Comfort With Hill & Company

If you’re wondering whether it’s time for a new AC installation, Hill & Co. is here to help. Our experienced team proudly serves Oklahoma City and the surrounding areas. We offer expert assessments, honest advice and high-quality replacement services.

We believe in making the air conditioner change process as stress-free as possible. After all, when it comes to indoor comfort, you can’t top a Hill! Contact Hill & Company today to schedule your next service with our experienced team.