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Heating and cooling service in Fort Walton Beach, Destin, Panama City Beach, & the surrounding area

Making Air Conditioning and Heating Service a Breeze Since 1984.

If you're looking for a reliable and trustworthy company to repair, replace, or maintain your residential or commercial HVAC systems, then you've come to the right place. We are a locally-owned business with a 40-year history of community and customer service to the Emerald Coast. We earn each customer's lifelong business by providing year-round comfort and protection, the highest quality service, and 100% customer satisfaction. We proudly serve Fort Walton Beach, Destin, Panama City Beach, Santa Rosa Beach, and the surrounding areas. Call us today and receive expert repair diagnostics from our NATE-certified technicians or a free replacement estimate from one of our professional and knowledgeable Comfort Consultants.

  • Transparent, Competitive Pricing
  • Locally Owned & Operated
  • Veteran-Owned Business

Our Services

What service can we help you find today?

For the highest quality AC repairs, replacements, and planned maintenance on the Emerald Coast, give us a call. We're a licensed and locally-owned contractor with offices in Fort Walton Beach and Panama City Beach. We repair, replace, and maintain both residential and commercial AC systems. Our EPA and NATE-Certified technicians are trained to repair and maintain the most popular AC brands and models.

Our most popular AC services include:

For heating repairs, replacements, and planned maintenance, no other contractor comes close to matching the value, convenience, and care you'll receive from our NATE-certified experts. We repair and maintain the most popular furnace and heat pump systems and our professionals are honest, friendly, and always willing to help.

Have a heating system that's on its last leg? One of our comfort consultants will swing by for a no-obligation free estimate as early as today. Just give us a call and we'll take it from there.

Our most popular heating services include:

According to the EPA, the indoor air quality in your home or business can be as much as 100 times more polluted than in an outdoor environment. Poor indoor air is bad for your health and can cause headaches, lung irritation, asthma, allergies, and chronic fatigue. At Mills Heating & Air, we have a team of experts ready to help you. Protect your home or business with, reliable air filtration and purification products from Carrier, RGF, and other great brands. Giving your family, customers, and employees the cleanest air possible is just a call away. We also assist with duct repairs, installations, and more.


Enjoy 0% interest financing for up to 72 months* on a qualifying HVAC system!

We know that maintaining your home and business can be expensive and overwhelming. At Mills Heating & Air, we are committed to helping you get the best heating and cooling system for your personal needs and budget. Enjoy stress-free buying with our 0% financing options.

*Deal available with approved credit. Other conditions may apply.

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Sandy Beach Landscape

Service Area

Proudly Serving Fort Walton Beach, Destin, Panama City Beach, and the Surrounding Area

We have offices in Fort Walton Beach and Panama City Beach, Florida and assist customers in Walton, Okaloosa, Bay, and Santa Rosa Counties as well as the entire Emerald Coast region.

Some of the cities we visit regularly include:

See complete service area

About Us

Serving Florida's Emerald Coast Since 1984

Our mission at Mills Heating & Air is to give our customers the value they deserve and the highest quality repairs and replacements. We've been part of the Emerald Coast community for 40 years and resolve over 10,000+ service calls every year. If you require HVAC service and want it done right the first time, give us a call today!

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Very responsive, reasonable, and extremely professional...

“This company is the BEST. They were very responsive, reasonable, and extremely professional. We had our HVAC system replaced and our home needed an extra air return. The entire team worked together to make sure it was placed in the most effective location and the system works great! I highly recommend Mills Heating and Air.”

—Debra A. | Emerald Coast Homeowner

Schedule HVAC Service with Us Today