The average Savannah homeowner has little to no knowledge of the AC capacitor, much less its location in the HVAC system.
Unless you know some HVAC components, the capacitor probably wouldn’t cross your mind. Nonetheless, AC capacitors help to maintain optimal temperature control.
So, what does a capacitor do? How long do AC capacitors last? As a property owner, it helps to understand how your AC capacitor works and its expected lifespan.
George Air Cooling & Heating, the go-to AC repair service in Savannah, delves deeper into air conditioner life expectancy, how to identify a failing capacitor, and more.
What Is an AC Capacitor?
An AC capacitor stores electricity in a small metal can or cylinder. It powers up your air conditioner’s motor, which is connected to the compressor that circulates cool air throughout your home.
A non-functional AC capacitor prevents your cooling system from starting up and circulating cool air, leaving you to endure the typical hot, muggy air of a Savannah, GA, summer.
What’s the Average AC Capacitor Lifespan?
How long do AC capacitors last? AC unit capacitors have an average lifespan of about a decade. Most capacitors have a service life of between five and 20 years.
As a Savannah, Georgia, resident, you can expect to replace your air conditioner’s capacitors every 10 to 15 years. However, watch out for signs that your air conditioner might need a capacitor replacement.
While routine AC unit capacitor maintenance may extend your AC capacitor’s service life, the factors below also affect HVAC capacitor longevity:
Quality
The life expectancy of an air conditioner capacitor depends on its build quality. High-quality capacitors from dependable manufacturers outlast their budget counterparts, making them a wise long-term investment.
Looking for a replacement unit? Purchase from reputable brands to increase the chances that the capacitor will deliver top performance for years. Look to our technicians to point you in the right direction and help you enhance HVAC capacitor durability.
Usage Patterns
How frequently you use your cooling system affects the wear and tear of components, including the capacitor. If you live in an area with hot summers like Savannah, GA, you probably use your air conditioner more often than those cooler regions, leading to added stress on the cooling system.
This increased usage deteriorates your capacitor faster than usual, forcing you to replace it more frequently. Consider this when installing your comfort system and factor your climate’s demands into the component selection process.
Environmental Impact
High temperatures, humidity, and voltage fluctuations, among other environmental factors, impact your capacitor’s lifespan significantly. For example, excess heat compromises your capacitor’s performance over time, and high humidity leads to corrosion, reducing the capacitor’s efficiency.
Consider these factors when installing your HVAC system, and pay attention to how the environment affects your capacitor’s longevity. Schedule regular AC maintenance and inspection checks to pinpoint potential issues early and extend the capacitor’s lifespan.
Why Do Capacitors Fail?
Capacitors, like many other components of your HVAC system, can fail for various reasons, including:
Overheating
Constant running or advanced system age can cause the capacitor to overheat and give out and break down when you least expect it. Consider giving your system occasional breaks. If possible, turn the unit off for several hours to minimize excessive wear and tear.
Rust and Corrosion
Rust and corrosion pose risks to your AC’s capacitor, particularly in areas with high humidity levels. Rust degrades electrical connections and weakens the capacitor’s performance. This may lead to complete failure over time.
Mismatched Capacitors
When replacing an air conditioner capacitor, ensure the replacement capacitor matches your AC unit. Mismatched capacitors create uneven electrical loads, which can overheat the system and stress various components.
This imbalance reduces efficiency, accelerates wear, and eventually causes capacitor failure.
Wear and Tear
How long do AC capacitors last in Savannah? Several factors come into play. However, like other parts of your cooling system, the capacitor undergoes wear and tear over time.
This gradually degrades capacitor materials, compromising their ability to store and release electrical energy effectively. Weakened performance and eventual failure may follow.
Age
As your AC’s capacitor ages, it loses efficiency and ability to store charge effectively. Replace your capacitor if it shows symptoms of age-related issues.
Poor Installation
A bad installation, characterized by improper connections and poor alignment, leads to electrical inefficiencies and stress on components. Consider the result: overheating, short circuits, and eventual failure.
Electrical Issues
Problems with the electrical current to your cooling system can damage the capacitor. Power surges, for instance, can lead to premature capacitor failure.
How To Identify a Capacitor on its Last Legs
Knowing the signs of a failing AC capacitor helps to prevent costly damage to your HVAC system. Stay alert for the following red flags:
No Cold Air
When a capacitor starts to fail, the compressor and fan motor struggle to start or run efficiently. This lack of power prevents the system from cooling the air properly, resulting in warm instead of cold air blowing from the vents.
Starting Difficulties
A failing AC capacitor causes the compressor and fan to struggle starting, leading to delayed or failed AC operation.
Inconsistent Operation
A failing AC capacitor causes the system to run intermittently, leading to inconsistent cooling and unreliable overall performance.
Smoke or Burning Smells
Overheating from a failing AC capacitor can burn electrical components, producing smoke or a burning smell that points to a serious malfunction.
Strange Sounds
Pay attention to your unit for any buzzing, clicking sounds, or strange humming which are typical telltale signs of a capacitor struggling to supply the necessary power to your cooling system.
If you suspect signs of impending failure, contact us to inspect your unit and replace your capacitor as needed.
AC Capacitor Replacement
When your cooling system shows symptoms of failure, hire an HVAC specialist to diagnose the unit and confirm the need for capacitor replacement. A seasoned expert can usually replace the capacitor in about an hour or two.
At Georgia Air Cooling & Heating, your comfort and safety come first. Trust us to replace your old or damaged capacitor swiftly, ensuring your Savannah home’s air conditioning system distributes cool air effectively.
Should You Hire a Professional To Replace Your Capacitor?
How long do AC capacitors last? It depends. However, when it comes to replacing an AC capacitor, deciding between hiring a professional and DIY may prove challenging.
Some Savannah homeowners may feel capable and confident enough to handle the job themselves, while others prefer to rely on experts.
A DIY replacement can save you some dollars but carries the risk of system damage or personal injury if not done correctly. Hiring a certified HVAC technician ensures professional installation and minimizes the risks associated with DIY.
Professionals offer more than capacitor replacement; they can point out additional issues and ensure your comfort system functions properly.
Any HVAC professional worth their salt will also stand by their work with a warranty or guarantee, offering peace of mind and potential savings for future repairs.
Ultimately, the choice between doing the job yourself and hiring a professional depends on your comfort and experience. No harm in going the DIY route if you feel confident in your HVAC skills. Otherwise, leave the job to a certified HVAC technician.
Tips To Extend Your Capacitors Lifespan
Looking to extend your AC capacitor’s lifespan? Here’s how:
- First, invest in regular HVAC maintenance. Schedule routine system check-ups to catch potential issues early.
- Keep your cooling system clean by removing dirt, dust, and other contaminants. Dirt increases the likelihood of overheating, which can shorten your capacitor’s lifespan.
- Install a surge protector to shield the capacitor and other sensitive parts from voltage fluctuations.
If something seems off with your cooling system or you notice signs of a failing capacitor, hire an expert to fix it promptly to prevent further damage and costly repairs. Addressing capacitor issues promptly keeps your cooling system running efficiently and extends the life of its components, including the capacitor.
Choosing the Right Capacitor for your Savannah Home
Replacing a capacitor requires you to choose one with the correct specifications for your HVAC system. This includes voltage rating, capacitor shape, and capacitance value. Using an incorrect capacitor can cause system inefficiencies or damage.
Refer to your air conditioner’s manual or consult with a certified HVAC technician to ensure you select the right capacitor for your home. Our skilled professionals can help you identify the correct specifications and ensure you choose a compatible replacement unit.
Your Top-Rated HVAC Services Provider in Savannah, Georgia
Now that you can answer the question, “How long do AC capacitors last?” You can make informed maintenance and replacement decisions.
When you consider the factors that affect capacitor longevity, spot the symptoms of imminent failure, and take proactive steps to extend the life of your capacitor, you increase the chances that your cooling system will serve you better for longer.
Do you have an overheating AC? Let our team inspect your unit and restore it to proper functionality.
Rely on Georgia Air Cooling & Heating for premium AC capacitor replacement services in Savannah, GA. Call 912-756-0506 to schedule service.