4.7 
465 *The Angi rating for Heating And Air Conditioning Service companies in Karns, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Karns, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on July 07, 2026
Serving Karns, TN and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"Very professional and prompt service. Did exactly what they said. Fair pricing. Have found a new HVAC company."
+269
Serving Karns, 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!!"
+3
Serving Karns, TN and surrounding areas
Approved (Corporate)
In business since 1945
Free estimates
Emergency services offered
"It's excellent. They are honest. Reasonably priced ."
+3
Serving Karns, TN and surrounding areas
Approved
Free estimates
Offers commercial services
"Professional, prompt,honest and fair. I will be using them for all my HVAC needs!"
Serving Karns, TN and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Adam and gracie with ACâ s Heating and air were amazing! They installed new ductwork and vents along with running new 240v wire to an oven for us. They did great work, did it fast and were very affordable. We highly recommend and will use them again!"
+1
Serving Karns, TN and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"They came on time they done the job. They said they were going to do. They were courteous. Everything went well."
+11
Serving Karns, TN and surrounding areas
Approved
In business since 1988
Free estimates
Warranties offered
"I must say I was blown away by the difference this service made to my home and family. It’s a night and day difference in our home now in regards to our air quality. We did this 5 years ago and had little difference in results. This time around we contacted Kevin because a friend referred him and they where on time, professional and respectful of our space. His knowledge and attention to detail alone made me feel comfortable and now the results reflect that. He’s my go to go guy from now on for me, my family and friends. Best decision ever!!"
Serving Karns, TN and surrounding areas
Approved
In business since 2023
Free estimates
Offers commercial services
"Very prompt and professional! Don’t hesitate to hire this company"
Serving Karns, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Great experience working with Honest AC! I call them for all my HVAC needs. They are so kind , honest, and get things done quickly!"
+6
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"
From average costs to expert advice, get all the answers you need to get your job done.
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
Try these 12 top tips to keep your air conditioner working at maximum efficiency. Stay cool, and minimize energy costs with this expert air conditioning advice.
Learn how to save money on air conditioning costs this summer by following this handy guide all about your favorite cooling system.
Is it time for a new cooling system for your home? Check out this guide to get a head-to-head comparison of heat pump vs. air conditioner systems.
Air-source heat pumps are an energy-efficient way to heat and cool your home. Learn the pros and cons of this heating method.
Retrofitting your house for AC is, surprisingly, not too hard. Here’s what you’ll need to consider to make it happen.
