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41 Years
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Emergency
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Open 24/7
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Your Trusted HVAC, Plumbing & Electrical Experts in Niceville, FL
McCullough Air Conditioning, Plumbing & Electrical has served communities in Okaloosa and Walton Counties for over 40 years. Our team specializes in heating, cooling, plumbing, and electrical services, delivering installations, repairs, and maintenance with unmatched expertise. We prioritize customer satisfaction through transparent pricing, high-quality parts, and 24/7 emergency support. Our technicians are licensed, certified, and equipped to handle all makes and models, ensuring reliable solutions for every home. With a focus on quality workmanship and community trust, we treat every client like family.

Our commitment to innovation and safety guarantees efficient systems that protect your home and enhance comfort. Whether addressing urgent repairs or planning upgrades, we provide tailored solutions that meet your unique needs. Our decades of local experience position us as a trusted leader in residential HVAC, plumbing, and electrical services. We stand by our work with upfront pricing, durable repairs, and a dedication to resolving issues permanently. Choosing McCullough means partnering with a family-owned business that values integrity, professionalism, and lasting customer relationships.
Services
AC Replacement AC Repair AC Maintenance Ductless Systems Indoor Air Quality Heater Replacement Heater Repair Water Heater Installation Drain Cleaning Electrical Panel Upgrades
Details
  • Year established: 1985
Highlights and features
  • We offer 40+ years of combined experience in HVAC, plumbing, and electrical services.
  • Our team provides 24/7 emergency service for urgent home system needs.
  • Family-owned business with a commitment to personalized, community-focused service.
  • We use high-quality parts and techniques for durable, long-lasting repairs.
  • Superior customer satisfaction guaranteed with upfront pricing and transparent communication.
What people say
Polite, honest, professional Fast, professional service Great, great company Superior on all levels No upsell, just solutions
Services
AC Replacement
Upgrade your cooling system with efficient AC replacement services. We install traditional and ductless mini-split units, ensuring optimal comfort for Niceville homes. Our free estimates help you choose the right system for your space. With proper installation, your new AC will deliver reliable performance and energy efficiency.
Heater Repair
Restore warmth with prompt heater repair services. Our technicians diagnose and fix furnace issues, including ignition problems and thermostat malfunctions. We service all makes and models, using quality parts for lasting repairs. Stay warm during chilly Florida nights with our expert solutions.
Plumbing Leak Detection
Identify and resolve hidden water leaks with advanced detection technology. Our plumbers pinpoint sources of water loss to prevent damage and reduce utility bills. We repair leaks in pipes, fixtures, and irrigation systems, ensuring efficient water use for your home.
Electrical Panel Upgrades
Enhance electrical safety with panel upgrades for outdated systems. We replace aging panels that cause tripped breakers or power failures. Upgraded panels support modern electrical demands, reducing fire hazards and improving system reliability for your home.
Water Filtration Systems
Improve drinking water quality with home filtration systems. Our plumbers install systems that remove contaminants like chlorine and sediment. Enjoy clean, refreshing water from every tap while protecting your plumbing fixtures from mineral buildup and damage.
Questions
What services do you offer?
We provide HVAC, plumbing, and electrical services including AC repair, heater maintenance, drain cleaning, electrical panel upgrades, and 24/7 emergency support.
Do you offer emergency services?
Yes, we provide 24/7 emergency services for urgent HVAC, plumbing, and electrical issues. Call (850) 678-2797 for immediate assistance.
How can I schedule a service?
Request service online through our website or call us directly at (850) 678-2797. Our team is available 24/7 for scheduling.
What areas do you serve?
We serve Niceville, Destin, Crestview, Fort Walton, Santa Rosa Beach, and surrounding areas in Florida.
Do you offer financing options?
Yes, we offer special financing options to make home comfort upgrades more affordable. Ask about financing during your service consultation.
Reviews (7)
Craig Francks
Oct 18, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Responsive and outstanding customer service. 24/7 service. McCullough Air conditioning installed a new air conditioning system and discovered a leak in the lines from the outside compressor to the inside. They spent all day fixing the line. I would definitely recommend McCullough
Service:Repair AC
Derek Meyer
Sep 20, 2021 Report
A bit delayed on this post, but that proves the company stuck in my mind as a very well run company. Ben gave me a very honest assessment on my A/C unit and the options I had. I chose a new unit. Then, only months later, Ben answered returned a call after 10pm on a holiday night in the mid Florida summer heat and showed up that same night so my baby and 2 year old would be able to sleep in the A/C (a user error fault, btw). Then he took the extra time to show me how to prevent what happened and did all that in the most happy and professional manner. Highly recommend this team.
Tammy Runge
Aug 17, 2021 Report
We have used McCullough Air for years in our home, our rentals, and business from everything from replacing thermostat to replacing entire units. Ben McCullough is knowledgeable, efficient, and always accommodating when we were down. No high pressure sales just good ole honest information that will help keep your unit running smooth, your family comfortable all without robbing the bank. You don't stay in business for over 40 years doing people wrong in a small town where everybody knows your family name. Ben had big shoes to fill and he is doing an amazing job carrying on the family business!
Derek Robinson
Aug 14, 2021 Report
The company replaced my 15 year old system. Price was about what I expected. They did offer a military discount which was amiable. The installation was not level as far as the exterior unit goes. The company did send someone back out to my residence to remedy it and they were complete in about 20 minutes. The gents were always kind and courteous.
Lisa Gatewood
Aug 07, 2021 Report
I highly recommend this company. We called them and they came and diagnosed the problem. They were back the next day for the install and did a fabulous job. They were careful to keep the place clean and were very fast with the work they did. It was just before a holiday weekend and saved our weekend. I was very impressed with them. I would hire them again in a heartbeat.
Maribeth
Jul 25, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Ben McCullough personally returned my call, came to my house within a couple of hours and fixed the AC...on a Sunday!! What a fantastic customer experience!!
Service:Repair AC
Beth Reindl Madrigal
Jul 23, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
I called and they were there same day. Had my new air conditioner installed within 24 hours. Their installers were professional and courteous. Even tolerated my two dogs with kindness. As a realtor, I have used them for many other clients and they always do a great job with no complaints! Thanks so much to the McCullough crew.
Service:Install AC