Get matched with top air conditioning pros in Greenback, TN

Q: Does a frozen AC unit affect indoor air quality?

• <div><p>Yes, a frozen AC unit can affect your indoor air quality since the reduced airflow won't be as effective at removing air pollutants, like dust and other allergens. Additionally, ice around the unit can create excess moisture, leading to mold and mildew that can damage your home if you don&rsquo;t catch it early.</p></div>

Q: Is it better to have an AC unit on the roof or ground?

• <div><p>The decision to put your AC unit on the roof or ground depends on the climate in your area, the roof shape, accessibility, and budget. If you live in a warm climate or don&rsquo;t have existing ductwork, it&rsquo;s likely best to stick to a traditional AC unit that sits on the ground. However, if you lack yard space, live in a mild climate, and have easy access to the roof, your home may benefit from a rooftop AC unit. </p></div>

Q: Should I turn my AC off sometimes?

• <div><p>Yes, it&rsquo;s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your <a href="https://www.angi.com/articles/why-does-my-air-conditioner-run-constantly.htm">AC runs all the time</a>, your system&rsquo;s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills. </p></div>

Q: Is it worth replacing an AC coil, or should I replace the entire system?

• <div><p>Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.</p></div>

Q: How do I know if my AC fan motor is bad?

• <div><p>There are many signs of a bad AC fan motor, including if the fan blades don&rsquo;t spin when the AC kicks on or if they keep spinning when the AC is off. The AC fan cools down the condenser coil, so a faulty motor can also cause the system to overheat. Unusual noises in the exterior AC unit, including grinding or rattling sounds, may also be a sign that the AC fan motor is worn out.</p></div>

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Verified Reviews for Air Conditioning pros in Greenback, TN

*The Angi rating for Air Conditioning companies in Greenback, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

*The HomeAdvisor rating for Air Conditioning companies in Greenback, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

Last update on June 19, 2026

Reviewed in June 2026
I could not be more pleased with the service I received from Friends Heating and Air! They added me in same day even though that meant not arriving until about 7pm and didn't leave until the job was done close to 10pm. Emre was very pleasant, professional and knowledgeable. Earlier that day,...
Friends Heating and Air
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Reviewed in July 2024
AC Heating and Air were punctual, tidy and thorough and last but not least they were friendly! All characteristics that are very important to me! Would definitely call them to come out again if needed.
AC's Heating & Air
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Reviewed in May 2024
Fair pricing. Friendly service. Indepth assessment of the mini split and discussion of options to resolve problem. I am choosing replacement as the problem has occurred more then once.
American Mechanical Services, LLC
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Reviewed in July 2023
Great experience working with Honest AC! I call them for all my HVAC needs. They are so kind , honest, and get things done quickly!
Honest A/C, LLC
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Reviewed in July 2023
Our HVAC was leaking beginning of June/2023. It's only a year and a half old system. Warranty was only 1 yr. They sent out a technician that same day. He never diagnosed an issue but he thought maybe it was condensation build up. So he worked on it. It still leaked when he left but he informed...
Green Heating & Air
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Reviewed in March 2023
I found Pol’s Heating and Cooling quite by accident. I was trying to contact my usual HVAC company, but they hadn’t returned my calls in several days. I eventually called the original salesman for my Trane units. Found out he had moved to a new company: Pol’s. We talked for a while. He suggested...
Pols Heating and Cooling
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Reviewed in May 2020
I could not have asked for a better experience. I will continue to use PITCOCK Heating and Cooling from now on and recommend them to all of my family, friends and co-workers. Chris is dependable and fair and no need to look any further than him. We Thank You, Chris !
Pitcocks Heating and cooling Facebook
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Reviewed in March 2020
It was done as promised in time. Looks like team knows theyer craft. It's pricey to replace Heat Pump AC package and South East very competitive.
South East
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Reviewed in June 2019
Very friendly and professional. Arrived on time and quickly diagnosed the problems. Got my AC system cooling like new!
Blue Water Climate Control
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Reviewed in August 2017
Rick fixed the unit so it started cooling again.
O'Dells Heating & Cooling
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Find Air conditioning pros in Greenback

Smith Mechanical Heating & Air Conditioning, LLC

4.9(

)

Central A/C - Install

Serving Greenback, TN and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Amazing! Professional, courteous, honest, and skilled! I will use Smith mechanical heating & air for hvac forever! Highly highly recommend!!"

Response time4 hrs

Response rate87%

4 neighbors recently requested a quote

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CM Walter Heating & Air LLC

5.0(

)

Central A/C - Service or Repair

Serving Greenback, TN and surrounding areas

Approved

Free estimates

Offers commercial services

"CM Walter installed a mini split AC/heat system and did an excellent job. He was professional, considerate of the space, he left everything clean, and the cost was very reasonable. I’m happy with the job he did and highly recommend using his services."

Central A/C - Service or Repair

Serving Greenback, TN and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Live up to their name. Honest. They could have sold me a complete new system but expertly repaired my old one. Plus they installed a dual head Minny split. Very happy with their service and will use them again"

Response time6 hrs

Response rate96%

Recommended by86%of homeowners

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Ducts Air Duct Cleaning, Inc.

4.8(

105

)

Air Ducts & Vents - Clean

Serving Greenback, TN and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Emergency services offered

"They have 2 ladies that came and cleaned out the air ducts. They were very professional and cleaned up and dust from the cleaning. Recommend them to a lady down the street and she ended up using them for her dryer. Definitely using them again went we refinish our wood floors in our main house."

Response time6 hrs

Response rate99%

Recommended by81%of homeowners

Central A/C - Install

Serving Greenback, TN and surrounding areas

Approved

In business since 2023

Free estimates

Offers commercial services

"Dustin was very efficient and took time to explain to us what was wrong & how we might prevent it from happening again. He was polite & knowledgeable- everything I like in a service call."

5 neighbors recently requested a quote

Recommended by87%of homeowners

Central A/C - Install

Serving Greenback, TN and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"We have been clients of Aire-Care for at least Five years! The company is excellent, from all employees from Heather, Kendra, Logan , Chris etc....... They are extremely professional, very knowledgeable, and have excellent work ethics. Logan recently did a service call and he was unbelievably thorough. I highly recommend this heat and air company to anyone!!!!!!!! Sincerely Mary Lee."

Response time1 day

Response rate87%

47 neighbors recently requested a quote

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Worley Heating and Cooling LLC

5.0(

)

Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Greenback, TN and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Chris was very polite. He was punctual and gave me plenty of notice of when he would be here. He installed two huge ductless heat a/c units. He was very knowledgeable and gave me options for different units. I saw him measure at least twice and used a level to ensure everything was level. I loved his attention to detail. He seems extremely trustworthy. I felt very comfortable with him. I will recommend him to anyone I know who needs this type of work."

+18

26 neighbors recently requested a quote

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Accurate Mechanical Services LLC

4.6(

)

Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Greenback, TN and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"George did a great job getting my AC back up and running again at a fair and reasonable price! Good communication and showed up at agreed times. Would definitely recommend to anyone in and around Knoxville!"

+11

12 neighbors recently requested a quote

Recommended by61%of homeowners

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AdvantaClean of West Knoxville

4.6(

)

Air Ducts & Vents - Clean

Serving Greenback, TN and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Another company came and did air samples in the house that showed high levels of mold. We asked about crawl space but he didnÃ Â¢Ã Â Ã Â t check it. Offered to come fog the house We then contacted Advsntaclean and Jim came out and immediately checked crawl space and found lots of mold. His team is coming in a couple of weeks to dremove mold and install dehumidifier. He was very easy to work with and I would happily recommend him. DidnÃ Â¢Ã Â Ã Â t rate work quality because it hasnÃ Â¢Ã Â Ã Â t been finished yet."

Response time5 hrs

Response rate100%

26 neighbors recently requested a quote

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Jim's Plumbing Service

4.6(

)

Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Greenback, TN and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Emergency services offered

Warranties offered

"Professional. Experienced. Fairly priced. Communicated well. Showed up on time. Installed a Pioneer mini split for our basement. Great experience. Thank you."

Response time12 hrs

Response rate93%

Recommended by88%of homeowners

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Showing 1-10 of 104

Air Conditioning questions, answered by experts

Yes, a frozen AC unit can affect your indoor air quality since the reduced airflow won't be as effective at removing air pollutants, like dust and other allergens. Additionally, ice around the unit can create excess moisture, leading to mold and mildew that can damage your home if you don’t catch it early.

The decision to put your AC unit on the roof or ground depends on the climate in your area, the roof shape, accessibility, and budget. If you live in a warm climate or don’t have existing ductwork, it’s likely best to stick to a traditional AC unit that sits on the ground. However, if you lack yard space, live in a mild climate, and have easy access to the roof, your home may benefit from a rooftop AC unit.

Yes, it’s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your AC runs all the time, your system’s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills.

Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.

There are many signs of a bad AC fan motor, including if the fan blades don’t spin when the AC kicks on or if they keep spinning when the AC is off. The AC fan cools down the condenser coil, so a faulty motor can also cause the system to overheat. Unusual noises in the exterior AC unit, including grinding or rattling sounds, may also be a sign that the AC fan motor is worn out.

The Greenback, TN homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

Ginny Bartolone
•
Apr 4, 2026Apr 4, 2026
How Much Does It Cost to Install a Mini-Split? [2026 Data]
When your window AC isn’t cutting it, but central AC is too expensive, installing a new ductless mini-split AC may be the cooling solution you’re looking for. Find out what a mini-split costs and how to hire the right pros to get the job done.
Lyle Hendriks
•
Jul 9, 2026Jul 9, 2026
How Much Does It Cost to Install a Mini-Split Unit in a Garage? [2026 Data]
A mini-split allows for zoned cooling, helpful for cooling spaces like garages. Learn the cost to install a mini-split unit in a garage with this guide.
Melissa Graham
•
Mar 6, 2026Mar 6, 2026
What Size Mini-Split Do I Need?
Looking for a new mini-split air conditioning system? Use this guide to mini-split sizes to see how many BTUs you’ll need to heat or cool your home.
Taylor Freitas
•
Jul 9, 2026Jul 9, 2026
Pros and Cons of Ductless Mini-Split Systems
Review the disadvantages of mini-split systems as well as the benefits before buying. Review our breakdown of the mini-split pros and cons.
Emily Benda Gaylord
•
Apr 10, 2026Apr 10, 2026
What Is a Mini Split System and How Does It Work?
Mini split systems are an energy-efficient option to regulate your house’s temperature. Learn more about how mini splits work to cool or heat your home.
Melissa Graham
•
Mar 6, 2026Mar 6, 2026
7 Common Mini Split Low Refrigerant Symptoms and Signs
If your mini split air conditioner is showing low refrigerant symptoms, you’ll notice quickly. Learn to identify the signs and decide what to do next.