About UsLearn what drives John Segars Air Control Co & why locals continue to trust our team for honest, high-quality service.

A Local HVAC Team Birmingham has Counted On Since 1984

We’ve been part of the Birmingham community for decades, and that shows in how we work. Since 1984, John Segars Air Control Co has focused on honest service, solid workmanship, and heating and cooling solutions that actually fit the homes and businesses we serve. No shortcuts, no pressure, just experience you can count on.

Bottom line, our work starts with listening. We take time to understand your space, your needs, and your goals, then recommend practical options that improve efficiency and long-term performance. It’s a straightforward approach built on trust, local pride, and doing right by our neighbors.

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Our Story: Decades of HVAC Experience, One Birmingham Company

John Segars Air Control Co didn’t appear overnight. Built in Birmingham in 1984, the company grew through steady work, long-term customers, and a reputation for doing things the right way. What started as a small local operation became a trusted HVAC provider by focusing on technical skill, consistency, and follow-through.

Today, our team continues that legacy with the same practical mindset. Though ownership has changed hands, we continue to be proudly family-owned and operated, all while adapting to new systems and standards and staying grounded in the principles that built the business in the first place.

When you work with us, you can expect:

Experienced, certified HVAC professionals who explain options clearly
Upfront pricing before work begins
Same-day service during regular business hours
Financing options through Alabama Power for qualified customers
Clean, respectful work practices inside your home or business
Reliable solutions tailored to Birmingham-area needs
A locally rooted team serving Jefferson and Shelby Counties

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Our Mission: HVAC Done Right

Our mission is to deliver reliable HVAC service built on honesty, experience, and clear communication. We focus on solving real heating, cooling, and air quality problems with practical solutions that fit each space. Every recommendation is driven by long-term performance, efficiency, and trust earned over time.

Trusted by Home & Business Owners Across Birmingham

Reliable service backed by decades of know-how.

Trust isn’t built overnight. It’s earned through consistent service, clear communication, and doing right by customers year after year. With us, every job reflects decades of hands-on HVAC experience and a straightforward approach homeowners appreciate.

Licensed & Certified Technicians

Our technicians are fully licensed, certified, and trained to work safely and professionally. We believe informed customers make better decisions, so we take time to explain options clearly.

Upfront Pricing Promise

No guesswork, no last-minute surprises, no sticker shock after the work has been done. All of our pricing is discussed before work begins, so you know exactly what to expect and why.

Same-Day Service

When scheduling allows, we offer same-day service during regular business hours. Efficient diagnostics and prepared technicians keep projects moving without unnecessary delays.

Rooted in the Birmingham Community

Not only do we work in the Birmingham area, but we live here, too! We’re proud to serve local families and businesses across Jefferson and Shelby Counties with the same care we’d expect ourselves.

Commitment to Satisfaction

Our work isn’t finished until it meets both our very high standards as well as yours. Quality workmanship and follow-through are not optional, but rather, a key part of every service call.

See Why Birmingham Homeowners Trust Us

Homeowners across Birmingham rely on John Segars Air Control Co for responsive service, fair pricing, and dependable results. Take a look at what your neighbors have shared about working with our team.