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Top-Rated Air conditioning pros in State Line - Updated Nov 2026

Avatar for Air Plus LLC
Air Plus LLC
5.0(
10
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving State Line, MS and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"The entire process went great! From start to finish they were knowledgeable and professional. The system works great. When we did experience a problem Air Plus was quick to respond and get it resolved. Excellent experience!"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project

+7

7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Harry's Heating & Air Conditioning Service, LLC
Harry's Heating & Air Conditioning Service, LLC
5.0(
8
)
Central A/C - Service or Repair

Serving State Line, MS and surrounding areas

In business since 2010

Free estimates

Emergency services offered

Harry Heating And Air Conditioning Inc is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Response time3 hrs
Response rate97%
Recommended by87%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving State Line, MS and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

*** I have recently added the Nashville area to my service coverage. Since I can do most of my services remotely with you over the phone, I am hoping to eventually open up to larger markets and help people from having to take their computer in to get it fixed, if it has internet access, I can usually fix it over the Internet. Just trying to do more to help my Angies List customers!!******** I am a sole proprietor that works out of my home. I am my only employee, but I have over 20 years experience fixing computers, and providing superior customer service. I work on a flat rate service, and don't charge by the hour because I feel it's important to educate the customer on what the issue is/was, and how to avoid it in the future. I feel that local service companies (my competition) have been overcharging customers for years. I offer a first time customer discount of 10% but I will offer 15% off for first time customers referred by Angies List. I've lived in the Huntsville area most all my life, so I know the area very well. I will never use a subcontractor as I am very picky about making sure that if my name and company is associated with something, it will be the best experience my customer has ever had, and using sub contractors won't ensure that, so I prefer to do all the work myself. Lastly, I should point out that I am a former offensive lineman for the University of Southern Mississippi and was Brett Favre's center his freshman year at Southern. I went on to play for Tom Landry in his last year, but gave up pro football early on to pursue my passion of fixing computers. If I didn't have bills to pay, I would do this for free because I love it! If you have a computer problem, I promise you that you couldn't find a better technician that will care about you as a customer, and not about the bottom line. I am always available, but don't always answer my phone, but if you leave a message, I promise to back with you as soon as possible...and figure out how to get your issue resolved in a quick, efficient and economical manner. Thanks so much for reading my ad, and I look forward to working for you!

2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
C and S Heating and Air
5.0(
1
)
Central A/C - Service or Repair

Serving State Line, MS and surrounding areas

In business since 1990

Free estimates

With 20 years experience, C and S Heating and Air is the clear choice for a job at a price you can afford and done right the first time around. We pride ourselves on customer satisfaction and quality work. We offer around the clock service and are family owned and operated. Please call us today for all heating and air needs!

Recommended by100%of homeowners
Avatar for The Fireplace Doctor
The Fireplace Doctor
3.9(
1,190
)
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Install - For Business+4 more

Serving State Line, MS and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

"I had purchased a big deal for the service. I had a little difficulty getting a hold of them, but when they showed up they were great, and did what they were supposed to do. I paid additional for the vents. I think they are probably market price. He worked hard. Everything was fine after I got a hold of them, but it was just the initial contact."
Recommended by78%of homeowners
Johnston's Heat and Air
4.8(
2
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+1 more

Serving State Line, MS and surrounding areas

In business since 1985

Free estimates

Emergency services offered

Call Johnston's Heating and Air. We have been in business since 1985. We are always prompt, courteous and professional. We have the experience and expertise to get your project done right the first time!

Response time11 hrs
Response rate85%
Recommended by100%of homeowners
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Air Conditioning FAQs, answered by experts

Running a window air conditioner unit costs about $0.06 to $0.88 per hour. Choosing the correct size air conditioner can help it run more efficiently.

Dry mode positively impacts indoor air quality by reducing excess moisture, which stops the growth of mold and mildew. By maintaining optimal humidity levels, dry mode creates a less hospitable environment for allergens and airborne pathogens, improving overall air quality. However, it's essential to ensure proper ventilation to prevent stale air accumulation.

Yes, a dirty evaporator coil can freeze up. Dirty evaporator coils can’t absorb or transfer heat properly. The dirt and grime restrict airflow, which is needed to move heat throughout the system properly. Your air conditioning unit could freeze over, or it can cause your heat pump to freeze.

To find a reputable HVAC company, start by researching providers in your area. Look for companies with mostly positive online reviews and check the Better Business Bureau’s website for customer complaints. Next, verify their credentials. Rule out any companies that aren’t licensed, as this is a requirement in some states and municipalities, and confirm they are insured. Once you have a shortlist, contact each professional to ask key questions: How many years of experience do you have? Do you hold any third-party certifications? Do you have experience working on my specific type of HVAC system or brand? Can you provide references? What is your per-hour pricing? Do you offer maintenance contracts for ongoing savings? Do you provide a warranty for your work?

Yes, adding central air can increase your home value by as much as 10%. Generally speaking, prospective buyers prefer a central AC system over a ductless system or room-by-room AC units. That’s because central air conditioning blends into the home easier than individual room air conditioners and typically has less equipment to maintain.

The State Line, MS homeowners’ guide to air conditioning services

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