Trusted HVAC Solutions for Comfort in Every Season

Serving Birmingham, Pelham, Alabaster, and the surrounding areas since 1989.

Providing Reliable HVAC Services in Central Alabama

Mainline Heating & Air Conditioning has been keeping families comfortable across Jefferson and Shelby counties for more than 35 years. Since day one, our team has delivered dependable air conditioning, heating, indoor air quality, and generator solutions that homeowners can count on year-round.

From quick AC repairs to new duct installations to preventative maintenance work, we deliver professional service that stands the test of time. When it comes to creating a safe, comfortable, and energy-efficient home, our goal is to provide unmatched HVAC services that fit your needs and your budget.

Get dependable service from Alabama’s trusted HVAC experts.

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Our HVAC Company Serves Properties in Birmingham and Beyond

Mainline Heating & Air Conditioning offers a complete lineup of heating, cooling, indoor air quality, and generator services for commercial, residential, and new construction needs. Our experienced technicians are committed to providing solutions that improve performance, efficiency, and long-term comfort.

Air Conditioning

Stay cool during Alabama’s hottest months with our professional AC repair, replacement, and installation services. We also provide maintenance plans and thermostat installations to keep your system running efficiently.

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Heating

From furnace and heat pump repairs to complete system installations, our heating services keep your home warm when temperatures drop. Emergency repairs and maintenance plans are available for added peace of mind.

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Indoor Air Quality

Breathe cleaner air with advanced solutions like humidifiers, dehumidifiers, duct cleaning, UV lights, and air purification systems. Improve airflow and reduce allergens with professional care.

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Generators

Protect your home from unexpected outages with dependable generator installation and service. Stay powered up when you need it most with our reliable solutions.

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Request a Free Estimate Today

Comfort begins with the right HVAC partner. Mainline Heating & Air Conditioning makes it easy to schedule repairs, replacements, and new installations. Fill out the form below and our friendly team will be in touch quickly to discuss your service needs.

Your Comfort, Our Commitment

Higher standards of quality to benefit your budget and your life.

Mainline Heating & Air Conditioning is a trusted partner for commercial and residential property owners throughout Birmingham and surrounding communities. Our approach is built on a simple philosophy: educate customers on their options, provide honest guidance, and deliver reliable HVAC solutions that last.

From routine maintenance to advanced system upgrades, our team is dedicated to keeping your home comfortable and energy-efficient. By combining decades of experience with the latest technology, we continue to set the standard for quality service across Alabama.

Improve Your Home and Your Daily Life

Your home deserves heating and cooling systems that deliver reliable comfort in every season. Mainline Heating & Air Conditioning provides expert repairs, replacements, and maintenance services tailored to your needs. Reach out today and let our team restore comfort and efficiency to your home.

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Improve Your Home and Your Daily Life

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Happy Customers Over 40 Years in Central Alabama

"Mainline has always been prompt and does a great job. We have been with them for over 10 years. Most recent work was to our vent system. The maintenance agreement is certainly worth its weight in gold. Rain or shine, call Mainline."

Mark J.

"Kevin and his team installed a heat pump system for us. He did everything he could to make it right and we greatly appreciate it. Installation went great and he communicated with us through the whole process, competitive pricing. We can already tell a HUGE difference with the new system! Would definitely recommend Mainline Heating and Air Conditioning Inc."

Megan R.

"Professional and knowledgeable and was able to teach me something about my whole house generator system. I feel confident the system will work and who to call if it breaks. I was unaware of the periodic maintenance that was needed. He showed me how to setup the weekly automatic test on the system to start up and run for 15…

George Y.

"Louis did a great job repairing our heating system. He was pleasant, and efficient. I give him a 5. Thanks, Louis."

John K.

"The best HVAC service. If I could give them 10 star I would. Kevin is the best he is quick to response, he will make sure your concerns are address, punctual, and always quality work. . Dena, at their office is also great, she is prompt, courteous and very professional. Daniel their tech. best , he is punctual, he is…

B. Patel

"A great group of people who truly care for their customers and provide quality service to all! I referred one of my customers to this team and they took excellent care of them. Thank you all!"

Lauren H.

Why Homeowners Choose Mainline Heating & Air Conditioning

Thousands of families across Central Alabama have trusted Mainline for their heating and cooling needs. Customers value our fast response times, friendly service, and deep knowledge of HVAC systems.

Our technicians are trained to handle everything from emergency AC repair to complete system replacements, always focusing on delivering the right solution for your home. By offering clear communication, reliable service, and a strong track record of satisfied customers, we continue to be one of Alabama’s most respected HVAC companies.

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Make the Most of Your Mainline Experience

Additional resources created to help homeowners & professionals alike.

Specials

Find seasonal discounts and promotions on HVAC services and products.

Financing

Flexible financing options make it easier to invest in your HVAC system.

Blog

Read helpful articles about maintenance, air quality, energy savings, and more.

Careers

Join the Mainline team and grow your career in a supportive environment.