Expert HVAC Services in Niceville and Surrounding Areas

For over 40 years, McCullough Air Conditioning and Heating has been serving cities in Okaloosa and Walton Counties. Our team is committed to providing specialized heating and cooling services, including installations, repairs and maintenance. We always strive to offer outstanding technical and customer services, no matter the job. You can count on McCullough to deliver the best services the industry has to offer. 

Whether you need AC repair, maintenance or an entirely new system, you can trust McCullough! Contact us today to get started on a service request.


HVAC Services You Can Count On

If you’re overpaying for mediocre heating and cooling services, it’s just not worth it. The team of knowledgeable technicians at McCullough knows the importance of affordable and professional service for every customer. That’s why we always offer affordable and upfront pricing for high-quality services that will last. No matter which of our services you need, you can rest easy knowing our team will perform high-quality work with only the best parts.

Explore Our Services:


24-Hour Emergency Service

At McCullough, we understand that your air conditioning equipment doesn’t respect business hours. When you need repairs, you need them fast, whether your AC breaks down on the hottest day of the year or your heater stops working in the middle of a cold snap. That’s why we stay open 24/7 — that’s right, we’ll be here if you need us, day or night. Simply call McCullough for fast, same-day service any time you need it.


Trustworthy and Professional Technicians

At McCullough, we only use the highest-quality parts and techniques to make repairs. All of the technicians on our team are professionally trained, licensed and certified to provide HVAC services. Each technician has the skills and experience required to service any make or model of heating and cooling equipment, so they will be able to service your equipment with ease. For us, there’s no job too difficult — we have you covered!


Become a Part of the McCullough Family

Quality home services don’t have to be hard to find. At McCullough, we’ve delivered them to the residents of Niceville and the surrounding area for over forty years. Our dedication to customer satisfaction and quality workmanship has attracted many lifelong customers over the years. 

When you choose McCullough, we treat you like family — it’s what you deserve from your HVAC company. Become a part of our family today by calling us for your heating and cooling services.