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TRUSTED BY KARNS, TN HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon465
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Karns - Updated Nov 2026

Avatar for John H. Coleman Co LLC
John H. Coleman Co LLC
4.8(
103
)
Electric Furnace / Forced Air Heating System - InstallCentral A/C - InstallDuctless Mini-split A/C - Install or Replace+3 more

Serving Karns, TN and surrounding areas

Approved (Corporate)

In business since 1945

Free estimates

Emergency services offered

"I have used this company for all HVAC service for approximately thirty years.  I have found them very professional and responsive.  They are not the most economical in the short run, but overall, I think dependable and reasonable in their fees.
"
Additional Photos
Additional Photos
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JHCC Office/Shop
Heat Pump Repair

+3

11 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Premier Services Group, Inc.
Premier Services Group, Inc.
4.9(
18
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceDuctless Mini-split Heating System - Install or Replace+10 more

Serving Karns, TN and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

Premier Services Group, Inc., offers fast, friendly and courteous service. For years Premier Services Group, Inc., has been servicing the residential, commercial & industrial market in the Knoxville and East Tennessee area with quality and professional care. Our heating and cooling technicians are fully trained and provide the best service in the area. Our goal is to promote quality and professionalism in the heating and cooling industry.

Kerbela Shrine Temple Kno
Kerbela Shrine Temple Kno
Carson Newman College
Carson Newman College
Downtown Knoxville Hilton

+11

Response time2 days
Recommended by81%of homeowners
Avatar for Air Specialities LLC
Air Specialities LLC
5.0(
25
)
Air Ducts & Vents - Clean

Serving Karns, TN and surrounding areas

Approved

In business since 1988

Free estimates

Warranties offered

"It went great! Kevin and his crew went above and beyond my expectations. From the initial call, to the complete walkthrough free estimate, to the cleaning, Kevin kept us informed throughout the entire process. I asked for a thorough inspection and cleaning, and that is exactly what we got. They thoroughly cleaned and sanitized our complete HVAC system, including all supply lines, registers, and returns. They even removed and thoroughly cleaned the grills. They opened up the trunk lines and cleaned and sanitized them then sanitized with Foster’s 40:80 antimicrobial product. They sent me videos of their work as they were working throughout the house, and I was shocked to see mold growing in the attic unit. They cleaned and treated it, so hopefully our allergy problems will go away. Because they are mold specialists, I asked about a problem we were having with a leaking window. Kevin and his guys caulked the window and treated the interior wall and didn’t even charge me for the extra work. They were not the cheapest quote, but it was so much better than the last time we had vent cleaning, so the extra cost was so worth it! I highly recommend them and look forward to referring them to others and using them in the future."
Response time1 day
1 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for DC Heat And Air
DC Heat And Air
5.0(
8
)
Central A/C - Install

Serving Karns, TN and surrounding areas

Approved

In business since 2023

Free estimates

Offers commercial services

Business veteran owned. Trying to give people an affordable option for quality residential HVAC work. We operate Friday-Sunday, but you can contact us anytime during the week to schedule.\n\nDC Heat and Air is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

4 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Ducts Air Duct Cleaning, Inc.
Ducts Air Duct Cleaning, Inc.
4.8(
105
)
Air Ducts & Vents - Clean

Serving Karns, TN and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Emergency services offered

"I was first impressed when the owner, Mr Rankin , answered the phone within 2 rings. After explaining what i was looking for , Mr Rankin explained in detail what his company could do as far as duct cleaning of my HVAC system. He was forthright and knowledgeable and answered all my questions regarding his company's reputation and experience. Immediately after our conversation he emailed me a very detailed quite and his company insurance documentation. My appointment was made., and he texted me the names of the technicians. They arrived on time, equipped with booties to wear thru out the house. The work performed took about 4 hours from start to finish. Mr Rankin's techs were extremely polite and very respectful . They also took their tome cleaning up after themselves. We have noticed an immediate improvement, so much so i was considering replacing HVAC unit before i met Mr Rankin. Now the unit is working as it should and my entire hone is very comfotable. I am so happy with the results and if you are considering getting your HVAC ductwork cleaned and sealed , I would highly recommend this company. Good to see great customer service. Thankyou to Mr Rankin and his team of professional technicians"
Response time7 hrs
Response rate100%
Recommended by81%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

While both have advantages, a split system is generally cheaper than a ducted one. Because they are less invasive to install, the labor costs are lower, and they can be more energy efficient. But, a ducted system might be worth the investment if you run it more frequently. 

No, you should not attempt to replace an AC evaporator coil yourself. This is a complex task that must be performed by a licensed HVAC technician. The process involves handling hazardous and flammable refrigerants, which poses significant safety risks. Attempting a DIY replacement can also cause further damage to your HVAC system and will likely void its warranty. It is necessary to hire a local AC repair professional for this job.

While all portable AC units will collect moisture as part of their cooling and dehumidifying process, whether and how often you need to drain them depends on what kind of unit you have and the natural humidity levels where you live. For example, if you live in a very dry area and have a self-evaporating unit, you may not need to drain your portable AC very often at all. Some units may automatically drain collected moisture out the window through their exhaust vent.

There are several steps you can take to prevent your AC drain from clogging. This includes cleaning the drain line at least every three months, changing the filter every one to three months, and getting your AC serviced annually. Also, if any problems arise with your AC, hire an HVAC technician to deal with them ASAP.

No, it isn’t necessarily bad to turn your AC on and off frequently—contrary to popular belief. Even if you stop and start your AC throughout the day, it won’t use as much energy as it would if you ran it nonstop. 

If you’re concerned about your power consumption and energy costs, there are a few simple ways to use your AC more efficiently. Regularly cleaning the filters, scheduling routine maintenance, and using a programmable thermostat are all great choices.

The Karns, TN homeowners’ guide to heating and air conditioning services

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