Built on Skill. Driven by Service.

From cooling emergencies to full system upgrades, Miller’s Central Air provides top-tier HVAC service across Central Florida. Our team is committed to delivering comfort, clarity, and dependable results every time.

Get in Touch with the Professionals

Port St. Lucie HVAC Company

Delivering Comfort & Peace of Mind for Over 25 Years

Since 1995, Miller's Central Air has supported homes and businesses throughout the Treasure Coast Region, including Port St. Lucie, Lake Placid, Okeechobee, Jensen Beach, Stuart, Vero Beach, and Lake Wales. As a family-owned and operated HVAC company, we combine longstanding experience with dependable service, clear communication, and a team of senior NATE-certified technicians who bring advanced knowledge to every job. Our goal is to help customers understand their options and feel confident in every decision they make about their indoor comfort.

From routine maintenance to unexpected breakdowns, we approach each service call with practical guidance and straightforward explanations. Whether you’re maintaining a single-family home or managing a commercial property, our team provides support tailored to your needs and Florida’s climate.

Call (863) 591-3222 today for immediate assistance. We offer same-day emergency services. Se habla español.

What We Do

Miller's Central Air offers a full range of residential and commercial HVAC services designed to support comfort, indoor air quality, and efficient system performance throughout the year. Our team handles AC and heating repairs, installations, and replacements, along with ductless mini-split systems and heat pump solutions for flexible temperature control in homes. For commercial clients, we provide system upgrades, planned maintenance programs, and reliable repair services that help support daily operations.

Indoor air quality remains a key part of our work. We offer IAQ assessments, duct cleaning, dryer vent cleaning, and insulation support to help address dust, humidity concerns, and circulation challenges. Our team also works with advanced systems, including geothermal equipment, smart thermostats, and home automation controls that offer added convenience and system management.

The Miller's Difference

Values That Matter and Drive Our Team

Satisfaction Guaranteed
We stand behind our work with a 100% satisfaction guarantee and pride in every service we deliver.
Rapid Response
When your system fails, our certified technicians arrive on time and complete the job right the first time.
Comfort Without Compromise
From routine maintenance to full system replacements, we ensure your HVAC works efficiently and effectively.
Local Experience
Family-owned and operated for decades, we bring deep expertise and a hometown commitment to every home.
Integrity First
We perform every job with honesty, transparency, and reliability, putting your comfort and trust first.

Your Climate, Perfected

Certified Heating & Cooling Services

Reviews That Speak for Themselves

Hear From Our Happy Customers About Their Cooling and Heating Experiences

“Very Pleasant & Well-Mannered!”
“He was very pleasant and well-mannered. Never will I ever use anyone else.”

- Dana D.
“Five Stars!”
“Great job and I’m a very happy customer. Will definitely use again. I will ask for Jacob; he was tremendous. Five stars!!!!”

- Michael L.
“Helpful & Professional!”
“Miller has always been responsive if we have a AC issue, even on a long holiday weekend. The technicians are friendly, helpful and professional, as well as patient to two transplants from up north (where AC is seasonal).”

- Christine F.
“Fantastic!”
“Tyler was fantastic. Thoroughly inspected and explained what was happening. Went above and beyond to fix the issue.”

- Ed D.
“Thank You!”
“My technician Tyler is pure example of this and has won my business so long as he is with Miller's. This is how you do business. Thank You,r Tyler. Your grandpa did good!!”

- Dean T.

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Serving the Heart of Florida & the Treasure Coast

Whether you’re in Port St. Lucie, traveling through Lake Placid, or located across Okeechobee, our team maintains a strong local presence that keeps service prompt and personal. Working within these communities daily helps us understand the environmental conditions that affect heating and cooling, from long cooling seasons to humidity shifts and older ductwork commonly found in many homes.

We work with trusted brands such as Trane and Mitsubishi and can assist homeowners in exploring available tax incentives, financing opportunities, and promotional programs that may apply to qualifying systems throughout the year.

A Contractor You Can Trust

At Miller's Central Air, we take pride in a transparent, honest approach to every job. Rather than relying on heavy marketing claims, we focus on building trust through courteous, professional technicians, punctual appointments, and clear explanations of available repair or replacement options. Our commitment to dependable workmanship, practical communication, and customer satisfaction has shaped the way we serve homes and businesses across the region.

Call (863) 591-3222 or send us a message online to schedule a service and get a free estimate.