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Lennox AC Capacitor Replacement: Signs and How-To Guide

Lennox AC Capacitor Replacement: How Reliable Appliance & HVAC Saved the AC Day

Hey there, kids! Are you sweating buckets because your central AC isn’t working as well as it should? Maybe you’re feeling the heat and are unsure of what to do about it. Fear not! Here at Reliable Appliance & HVAC, we’re experts at fixing your air conditioning issues, including the dreaded Lennox AC Capacitor Replacement.

Just the other day, we received a call from a customer named John Doe. John lives in sunny California in a single-family home and has a Major Central AC brand. He called us because his AC wasn’t functioning properly, and he didn’t know why. We quickly dispatched a technician to diagnose the issue.

When our technician arrived, John greeted him at the door with a sigh of relief. “Thank goodness you’re here,” he said. “This heat is unbearable, and I have no idea what’s wrong with my AC.” Our technician, whose name is Oscar, reassured John that he’d figure out the problem and get his AC up and running as quickly as possible.

Oscar promptly went to work diagnosing the issue. He discovered that the AC capacitor had gone out, a common problem in Lennox ACs. After explaining the issue to John and offering him a quote, Oscar got to work on replacing the Lennox AC capacitor.

Now, you might be wondering what a capacitor is and why it’s essential to your AC. Well, a capacitor is an electronic component that stores energy and then releases it to start your AC’s motor. Without a fully functioning capacitor, the motor cannot turn on, and your AC won’t blow cool air, which is precisely what happened to John.

Our technician expertly replaced the capacitor with a brand factory-recommended part and got John’s AC working in no time. John was so relieved that he gave Oscar a high-five and said, “thank you so much! I don’t know what I would have done without you guys.”

At Reliable Appliance & HVAC, we take pride in our excellent customer service and technical expertise. When you call us, you can rest assured that we’ll quickly diagnose the issue and get your AC working again in a jiffy.

Now, we know you’re probably curious about the cost of a Lennox AC capacitor replacement. So, our managers, Russ and Peter, have provided you with a detailed cost breakdown below.

Parts Materials Labor Total Cost
Lennox Capacitor $120 $150 $270

Now, that might seem costly, but trust us. It’s vital to replace a malfunctioning capacitor because it can cause more significant issues such as compressor failure that could cost thousands of dollars to repair. In other words, it’s better to nip the problem in the bud, so to speak.

In conclusion, if your Lennox AC isn’t blowing cold air, it’s time to call Reliable Appliance & HVAC. Our expert technicians will quickly diagnose the problem and give you a fair quote before getting to work on fixing your AC. So what are you waiting for? Call us today at (866) 516-1222 and let us help you beat the heat!

Lennox AC Capacitor Replacement: Signs and How-To Guide
Lennox AC Capacitor Replacement: Signs and How-To Guide
Lennox AC Capacitor Replacement: Signs and How-To Guide

Tips to Avoid Lennox AC Capacitor Replacement Issues: Manufacturer and Local Expert Recommendations

If you’re a homeowner in San Diego with a Lennox central air conditioning unit, you must maintain proper upkeep to avoid encountering issues like Lennox AC capacitor replacement. If you don’t take care of your AC system, it’s likely to fail, costing you time, energy, and hard-earned cash.

Fret not, though, because we have useful tips direct from Lennox and expert technicians on preventive actions that you can take to avoid future problems with your AC unit. Here’s what we have learned:

Tip #1: Schedule Yearly Maintenance

Did you know that proper maintenance can extend your Lennox AC’s life span by many years? Lennox itself recommends scheduling an annual visit from an expert technician to ensure your unit stays in tip-top shape. Doing this should include a thorough inspection of your AC unit, cleaning, and replacement of worn-out parts. Expect to spend around $250 annually for a tune-up.

Tip #2: Change the Air Filter Regularly.

Your AC filters out dirt, dust, pollen, and other pollutants, which will obstruct airflow over time. A clogged filter will also make your Lennox AC work harder to cool your home, leading to subpar performance and the need for repairs. Lennox recommends homeowners change their AC filter every 60-90 days, depending on how often you use your AC and typical air quality.

Tip #3: Keep the Outdoor Unit Clear

The area surrounding your outdoor unit should remain clear of debris and plant growth. Keep leaves, twigs, and other debris from building up around your AC unit, as it can restrict airflow and lead to wasted energy.

Tip #4: Do a Visual Inspection

While your HVAC expert is visiting your home for an annual tune-up, he will also conduct a quick visual inspection of AC units outside and inside. During the inspection, he can detect signs of corrosion, wear, and damage before they develop into significant problems.

Tip #5: Inspect Wiring and Electrical Components

Checking the wiring and electrical components of your AC system is essential, as malfunctioning components can cause bigger issues, like winding up with a Lennox AC capacitor replacement. Look for broken connections or melted wires, and call a professional technician if you notice anything unusual.

Tip #6: Pay Attention to Strange Noises

Does your Lennox AC unit make any unusual noises? A strange sound might indicate a problem within the system. After hearing noises, turn your AC unit off immediately and make a call to an expert to investigate.


Preventing Lennox AC capacitor replacement might seem daunting at first, but following these tips will ensure that your AC unit stays in peak performance for years. If your Lennox air conditioner needs repairs or maintenance, give Local Reliable Appliance & HVAC a call at (866) 516-1222, and our expert technicians will be happy to help.

Average Repair Cost for Lennox AC Capacitor Replacement

Hello there! It’s Russ, Peter, and Oscar, owners of Reliable Appliance & HVAC, serving the San Diego community since 1985. Are you experiencing trouble with your Lennox AC capacitor? Then, you came to the right place.

Let’s get straight to the point. On average, the minimum repair or installation cost for a Lennox AC capacitor replacement is around $250, assuming a 20% price increase due to the pandemic. If the issue is more complex, then the cost may rise to a maximum of $600, including the required parts and labor.

What type of parts? You may need a new run capacitor, start capacitor, or a dual capacitor. These parts prices vary between $50 to $200, and the labor cost fluctuates depending on the complexity of the issue. Before the repair, the technician may also perform a diagnostic check to determine the real cause of your AC malfunction.

It is always recommended to call Reliable Appliance & HVAC, your local AC repair specialists, at (866) 516-1222 for any AC or HVAC issues. We are available 24/7, and our technicians arrive promptly to diagnose the problem and provide an accurate cost estimate.

In conclusion, keep in mind that the repair cost depends on various factors, including the severity and complexity of the problem and the required parts for the repair. By consulting with the experts at Reliable Appliance & HVAC, you can have confidence that the repair will be done correctly and at a fair price. Just call us at (866) 516-1222 or visit our website to schedule an appointment.

Lennox AC Capacitor Replacement: A Hassle-Free Experience With Reliable Appliance & HVAC


Living in sunny California, it’s essential to have a reliable Air Conditioner to keep you cool and comfortable during the hot summer months. However, what happens when you turn on your Lennox AC and it fails to operate or runs poorly? Chances are, your AC unit’s capacitor may need replacing.

The Problem

One of our recent customers, Mary from San Diego, had this exact issue. She was frustrated and didn’t know what to do. Mary decided to call Reliable Appliance & HVAC, a family-owned and operated San Diego-based company specializing in AC repairs and installations. She had heard good things about the company and was in desperate need of a quick solution.

The Solution

Once Mary reached out to us, we made sure to dispatch one of our highly trained technicians to her residence in record time. The technician arrived promptly and quickly identified the problem: the Lennox AC capacitor needed replacing. He explained to Mary that the capacitor is one of the most critical components of an AC unit responsible for starting the motor and keeping it running.

Diagnosis and Repair

After diagnosing Mary’s AC, our technician provided her with a quote for the cost of the Lennox AC Capacitor Replacement, along with a detailed analysis of each component’s material and labor costs. We pride ourselves on transparent, fair, and affordable pricing that ensures our customers know precisely what to expect.

The Cost

The total cost of the repair included the capacitor, the technician’s time, and a 90-day warranty offered by our company. Reliable Appliance & HVAC only uses top-of-the-line brand-specific parts, adhering to the manufacturer’s factory recommendations, and are licensed and insured. The price of the Lennox AC capacitor replacement was $250, an affordable and fair price considering the caliber of work, level of professionalism, and fast response time.


Mary was pleased with the technician’s efficiency, level of customer service, and was delighted when her Lennox AC worked seamlessly after the repair. Reliable Appliance & HVAC goes above and beyond to provide our customers with excellent same-day service, a 90-day warranty on all repairs, and affordable pricing they can trust. If you’re experiencing AC issues, don’t hesitate to call us. As a local, San Diego-based company with over 35 years of experience, Reliable Appliance & HVAC is the go-to source for all your HVAC repairs and installations.

FAQ: Lennox AC Capacitor Replacement

What are the signs of a faulty AC capacitor?

There are several signs that indicate a faulty AC capacitor, including a humming sound from the AC unit that persists even when the unit is turned off, the AC unit not starting or turning on at all, and the air coming out of the vents not being cool enough.

How can I replace a faulty capacitor on my Lennox AC unit?

Replacing a faulty capacitor on your Lennox AC unit can be done through the following steps:

  1. Turn off the power supply: Before beginning any repair work, you should always turn off the power supply to the AC unit.
  2. Open the AC unit: Next, you will need to remove the access panel to gain access to the capacitor.
  3. Discharge the capacitor: To ensure safety, you will need to discharge the capacitor by using an insulated screwdriver.
  4. Remove the faulty capacitor: Using a pair of pliers, carefully remove the faulty capacitor from the unit by detaching the wires that are connected to it.
  5. Install the new capacitor: Once the faulty capacitor has been removed, install the new capacitor in its place by connecting the wires to their respective terminals.
  6. Put the access panel back on: Finally, replace the access panel and turn the power supply back on.

Should I attempt to replace the capacitor myself or should I call a professional?

While it is possible to replace a faulty capacitor on your own, it is always recommended to call a professional technician from Reliable Appliance & HVAC, especially if you are unsure of what to do. Capacitors store an electric charge, which can be dangerous if not handled properly.

How much will it cost to replace a faulty capacitor on my Lennox AC unit?

The cost of replacing a faulty capacitor on your Lennox AC unit can vary. It will depend on the type of capacitor needed, as well as the cost of labor. Please see the table below for specific parts, material, and labor costs:

Parts/Materials Price
Lennox AC Capacitor $50 – $150
Labor Cost $150 – $250

Why should I choose Reliable Appliance & HVAC for my AC capacitor replacement needs?

At Reliable Appliance & HVAC, our technicians have years of experience when it comes to repairing and replacing AC units. With our fast and efficient service, we will have your AC unit up and running again in no time. Plus, our prices are competitive, and we only use brand-name parts, as per brand factory recommendations, to ensure the longevity of your AC unit.

If you are experiencing problems with your Lennox AC unit or need to replace a faulty capacitor, don’t hesitate to call Local Reliable Appliance Repair at (866) 516-1222. Our technicians will be happy to assist you and answer any questions you may have.