AC Replacement

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Air Conditioning Replacement in Koxville, TN

Replace Your AC With Confidence and Long Term Comfort

If your air conditioner is struggling to keep up with Knoxville’s summer heat, breaking down often, or driving up your energy bills, it may be time to consider scheduling an AC Replacement.


Quality Plumbing, Heating, Cooling & Electrical helps homeowners in Knoxville and nearby areas upgrade to dependable, energy efficient cooling systems. We focus on long term performance, proper system sizing, and reliable comfort so you can feel confident in your investment.


If you are unsure whether you need a repair or full replacement, we will evaluate your current unit and provide clear recommendations based on its age, condition, and repair history.

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Signs It Is Time for AC Replacement

Most central air systems last between 10 and 15 years. In Knoxville’s humid climate, systems work harder and may show wear sooner.


Common signs your AC may need replacement include:

  • Frequent breakdowns requiring repeated service calls
  • Rising energy bills without a clear explanation
  • Uneven cooling from room to room
  • Excess indoor humidity even when the AC runs
  • Strange noises or persistent odors
  • System uses R22 refrigerant, which is no longer produced


If you are scheduling repairs every summer, replacing the system may provide better long term value. If your unit still has service life remaining, we may recommend professional AC repair instead.

Benefits of a New Energy Efficient AC System

Lower Energy Bills

Modern systems cool your home more efficiently, which can reduce energy use over time.

Quieter Operation

New equipment runs more quietly both inside and outside your home.

Improved Humidity Control

Knoxville summers bring heavy humidity. A properly sized and installed system removes excess moisture and improves indoor comfort.

Better Airflow

Correct sizing and professional installation help deliver balanced cooling throughout your home.

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Hundreds of Verified Google Reviews

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"Everyone at Quality Plumbing, Heating, Cooling and Electrical are always awesome to work with. Have a rental property that had water line leak issues! Called this morning and by this afternoon issues were professionally repaired! I will always use their services."

Gregory Payne


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"Called Quality late afternoon on Friday and within a short time, dispatched called and said a Technician could be here in 20 min. I could not have been more pleased with Quality and the 2 technicians. They will definitely be my “go to” for any issues we have in the future."

Debra Ball

"Great next day service. Checked everything on my heat pump found the leak and gave me 2 options to repair or replace whole unit. The tec was friendly and answered all my questions and concerns. So glad I called."

Jennifer Golak

"He did a good job very thorough, both of our toilets were clogged, Cole Gicks and his trainee checked our sewer line also used in auger on both toilets and everything is flushing, Great teamwork and very affordable."

Debra Pope

"Highly recommend Quality Plumbing. Very prompt service. Call when technician is on the way. Have used several times and always well pleased. Thank you Andrew! Job well done and appreciated."

Joyce Mullins

"Super polite and professional and their shoe cover game is A++. On in the house, off when outside and up in the attic, then back on again when they came out of the attic. I greatly appreciate their care!"

Jan Uetrecht

"I think Joe did a great job at fixing the two issues that they came to resolve. He and his apprentice Trinity were very friendly and courteous. We would definitely request Joe for any future plumbing issues."

Stephanie Curtis

"Tanner was wonderful, he explained everything in detail on what we had to do to install a new unit and where everything would be placed. Had a Quote within 15 min! Great service."

Heather Bohanan

"He was very polite. Showed me the problem on video. Explained me the my options on repairing/replacement of my faucet. I couldn't be more happy. Thank you for your service."

Deborah Parks

"Fixed our problem. Very nice and answered my questions about some other issues I was just curious about. I have had very good experiences both times we have had to call them. Not to mention they charge very reasonable prices and do quality work."

Kimberly Humphrey

"What started as a very stressful day ended up a lot better after Shawn came to the rescue. He took a look at our water issue and had us ready to go in a few minutes. We're on a well, so being without water is stressful. So glad we called Quality!"

Sherry Moore

"Had a heating and air issue and these guys got out there quickly. Seth was knowledgable and professional. I would recommend them to anyone needing service on their heating and air system."

Chad Keaton

"We had to have a big project done on our main sewer, and they got the job done very quickly. They all were very professional and extremely helpful with explaining everything and making sure we were happy with the work they did. I highly recommend them!"

Nicole Steiner

"Excellent response time! Excellent service! Very Professional! Truly put customer first! Would recommend them and Robert to anyone! Will never use anyone else!"

Andrea Jinks

"Everyone at Quality Plumbing, Heating, Cooling and Electrical are always awesome to work with. Have a rental property that had water line leak issues! Called this morning and by this afternoon issues were professionally repaired! I will always use their services."

Gregory Payne


Our AC Replacement Process

Precision Installation Done Right the First Time

When you choose us for AC replacement in Knoxville, the priority is doing the job correctly from day one. We begin with a thorough in-home evaluation of your current equipment, ductwork, insulation, and overall cooling needs. This gives us a clear understanding of how your existing system is performing and what your home truly requires for consistent comfort.


Next, we perform a detailed Manual J load calculation to ensure your new system is properly sized. An oversized or undersized unit can lead to uneven cooling, humidity problems, and reduced efficiency, so precise sizing is critical. Based on those findings, we walk you through equipment options, efficiency levels, and available features so you can choose a system that aligns with your comfort goals and budget.


After installation, we fully test the system to confirm proper performance and airflow. Before we leave, we make sure your home is clean and everything is working exactly as it should.

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FAQs

Frequently asked questions about AC installation

  • How much does AC replacement cost in Knoxville?

    The cost of AC replacement in Knoxville, TN, depends on several factors. This  includes the size of your home, the efficiency rating of the system, ductwork condition, and any necessary upgrades. Higher efficiency systems typically cost more upfront but can reduce monthly energy bills over time. The best way to get accurate pricing is through an in-home evaluation where we assess your specific cooling needs.

  • How long does AC replacement take?

    Most AC replacement projects can be completed in one day. If ductwork modifications or additional electrical upgrades are required, the timeline may extend slightly. During your estimate, we will explain what to expect so you can plan accordingly.

  • What size AC unit do I need for my home?

    System size depends on more than square footage. We perform a Manual J load calculation that factors in insulation levels, window placement, ceiling height, and other variables. Proper sizing ensures balanced cooling, energy efficiency, and humidity control during Knoxville’s hot summers.

  • Is it better to repair or replace my air conditioner?

    If your system is under 10 years old and the repair is minor, repair may make sense. However, if your unit is older, requires frequent service, or needs an expensive component replacement, upgrading to a new system may provide better long term value. We will walk you through both options so you can make a confident decision.

  • Will a new AC system lower my energy bills?

    In many cases, yes. Modern systems offer higher SEER2 efficiency ratings compared to older units. This means they use less energy to produce the same level of cooling. Many homeowners notice improved efficiency and more consistent indoor comfort after replacement.

  • What is SEER2 and why does it matter?

    SEER2 stands for Seasonal Energy Efficiency Ratio 2. It measures how efficiently an air conditioning system cools your home over a typical cooling season. Higher SEER2 ratings indicate better efficiency. Choosing the right efficiency level depends on your budget, home size, and long term goals.

  • Do I need to replace my furnace when I replace my AC?

    Not always. However, if your furnace is older or not compatible with modern high efficiency air conditioners, replacing both systems at the same time can improve performance and overall efficiency. We will evaluate your existing equipment and recommend what makes the most sense for your home.

  • How can I extend the life of my new AC system?

    Routine maintenance is key. Annual inspections, seasonal tune ups, and regular filter changes help protect efficiency and system performance. Ongoing maintenance can also reduce the likelihood of unexpected repairs during peak cooling season.

Still Have a Question?

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Flexible Financing That's Cool With Your Budget

Financing Options for AC Replacement

Investing in a new air conditioning system can be a big decision, but our financing through GoodLeap makes it more manageable. The application process is simple, with a soft credit check that factors in your highest score from all three bureaus. 

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We’ll Try To Repair First

If your AC isn’t cooling properly, a repair may be all you need to restore efficiency. Our AC repair services address common issues like weak airflow, refrigerant leaks, and thermostat malfunctions. 


If repairs aren’t cost-effective, we also offer professional AC installation to upgrade your system for long-term comfort.

AC Repairs