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Furnace Repair Service In Fort Walton Beach, Destin, Panama City Beach, Santa Rose Beach, & The Surrounding Area

The Emerald Coast's Highest‑Quality Furnace Repair Specialists, Since 1984

Need a heating repair? Our NATE-certified and highly-trained furnace experts would love to help resolve your issue! We can have your furnace repaired in no time, and work on all popular brands and models. We are here for you when you need us, which is why we carry the most common replacement parts in our service trucks so that we're ready for any heating request you may have. Your satisfaction is our priority, so we provide a complimentary 90-day labor warranty for all repairs.

  • Quick & Dependable Service
  • Transparent, Competitive Pricing
  • Emergency Service Available

Service details

When we repair a furnace, it stays repaired.

When we arrive at your home, you can expect reliable HVAC professionals who provide high-quality furnace repairs. Our technicians are NATE-certified, ensuring that our customers benefit from the highest level of expertise and competence in HVAC installation, maintenance, and service. We offer a 90-day labor warranty for all repairs because we want you to have confidence in our technicians' skills.

Give us a call today and see for yourself the difference in our technicians, from how we comprehensively diagnose issues to our speedy repairs and how we're here for you when you need it most.


What factors affect the cost of your furnace repair?

  • Part repairs & replacements: A thorough furnace diagnostic will determine which system part is causing issues. From there, your HVAC technician will repair or replace the part or suggest a total system replacement. At Mills, we prioritize our customers' budgets and always try to fix the part before offering any replacement.
  • System warranties: Parts warranties tend to last around ten years, while labor warranties typically last less than a year. To help our customers save as much money on a repair as possible, we'll help you check whether your system is still under warranty.
  • System age: Older furnaces typically need specialty parts for outdated systems, increasing the labor time and cost of the parts. Sometimes a complete system replacement will be necessary. However, that is typically our last resort for recommendations. If you need one, we'll provide excellent financing options to make a system replacement more affordable.

Honest diagnostics by helpful NATE-certified professionals

For just $99, we'll send a licensed, NATE-certified technician to your home to thoroughly diagnose your furnace. We'll walk you through the repair options that are available to you and answer all of your questions along the way. Need to finance your repair? We can help with that; we provide financing for up to 6 months on qualifying parts and repairs.

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Repair or Replace?

Which Is Right for Me?

Furnaces keep your home warm and cozy during the winter. A heating system can last up to 20 years with proper maintenance and care. By its 15th birthday, you should start watching for signs that it may need a replacement.

We'll assist you in considering a replacement system if:

  • Your manufacturer's part warranty is invalid now
  • Your furnace needs repairs more than once a year now
  • Your energy bills have spiked without a change in usage

Compare repair vs. replacement pricing

Repair:$99 to $1,500+ per repair
InstallStarting at $6,500
Schedule free in‑home estimate


Our furnace repair process in four steps

  • We book your repair visit

    We want your furnace repair experience to be as smooth as possible with us. To start, it takes just seconds to book an appointment with us. You can call us or book online.

  • We diagnose your issue for just $99

    One of our friendly service furnace technicians will arrive at your home and introduce themselves. They will then diagnose your furnace and discover how they can help you get your heating back up and running. We'll provide you with honest advice and fair prices for all repairs needed.

  • We resolve your repair efficiently

    We aim for exceptional quality repairs for every heating job. You can expect our NATE-certified professionals to complete your furnace repairs to the highest of industry standards. Usually, we can repair your system in just one visit, although sometimes, a follow-up visit is needed. No matter how long it takes us to resolve your repair to meet our meticulous standards, you won't pay more than our fixed-price quote.

  • We protect your repair with an industry-best 90-day warranty

    We care about our customers' long-term satisfaction, which is why we protect your repair after we leave for up to 90 days and provide a 100% Satisfaction Guarantee. If something goes wrong, we'll fix it at no cost to you.

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Furnace is like new now.

“We have had Mills as our heating and air repair folks for years, and they have always been there for us in a timely manner. Great service. Our compressor had intermittent starting issues; I called Mills and made an appointment for repair and maintenance/inspection of the system and furnace. Alan arrived. He was courteous and friendly. I told him the specifics, and he troubleshot the issue as a pair of capacitors and replaced them. The system was like new. He checked the rest of the system, the furnace, and the drain lines; all good to go for the winter! 👍 Alan was great; he has serviced our system before, is a good professional, knows his stuff, and represents Mills outstandingly. You folks have been there for us after every hurricane, checking the systems as fast as you can get to us. You guys do a great job, from your dispatch folks to your trainees. Thanks so much!!! I highly recommend Mills 👍👍”

—Bill P. | Emerald Coast Homeowner
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

Schedule a Furnace Repair with Us Today