Complete AC Installation Services
Whether you're building a new home or upgrading your outdated unit, our experienced technicians guide you through every step of the air conditioning installation process. We perform full load calculations to determine the right size unit for your space and budget, helping you avoid underpowered systems or oversized energy hogs.
We install all major brands and specialize in high-efficiency central air systems, ductless mini-splits, and heat pump technology. Our installations include:
- Customized system sizing and design
- Professional ductwork installation or sealing
- Smart thermostat integration
- Post-installation testing and air balancing
With John Segars Air, you’ll get dependable cooling performance and lower utility bills from day one.
Air Conditioning Repair Done Right
If your AC is blowing warm air, short cycling, or making strange noises, our team is just a call away. We handle all types of cooling system issues, from refrigerant leaks and compressor failure to sensor malfunctions and airflow restrictions. Our vans are stocked with common parts, enabling us to make same-day repairs in most cases.
Thermostat Repair
We repair and calibrate smart and traditional thermostats for reliable climate control.
Unit Diagnostics
Our technicians diagnose refrigerant issues, blocked coils, and compressor problems quickly.
Airflow Correction
We restore airflow and ensure your entire duct system works efficiently and evenly.
Preventative Maintenance & Tune-Ups
Preventative AC maintenance saves you money and extends the life of your unit. Our affordable seasonal tune-ups include system inspections, coil cleaning, refrigerant level checks, electrical testing, and filter replacement. We catch minor issues before they become costly breakdowns, ensuring your system is ready when temperatures rise.
We offer flexible service agreements for homeowners and businesses throughout the Birmingham metro area, giving you peace of mind and priority scheduling year-round.
Serving the Entire Birmingham Metro
From downtown Birmingham to Homewood, Hoover, Trussville, and Mountain Brook, John Segars Air is proud to serve the metro area with fast, dependable air conditioning service. Our team is licensed, insured, and trained to handle both residential and light commercial HVAC systems.
No matter the brand or complexity, we have the tools and knowledge to keep your space cool and comfortable.
Why Choose John Segars Air Control Co?
- Over 25 years of HVAC experience in Alabama
- Licensed and insured technicians
- 24/7 emergency AC repair service available
- Upfront pricing with no hidden fees
- Financing options for new installations
We treat your home like our own—with respect, cleanliness, and attention to detail. When you work with John Segars Air Control Co, you're getting more than an HVAC contractor. You're getting a local partner committed to your comfort and satisfaction.
Frequently Asked Questions
How do I know if I need a new AC system?
If your system is over 10–15 years old, frequently needs repairs, or struggles to cool your home evenly, it may be time to consider replacement.
Do you offer emergency AC repair?
Yes, we provide 24/7 emergency air conditioning repair throughout the Birmingham area for urgent cooling needs.
How often should I service my air conditioner?
We recommend servicing your AC system once a year—ideally in the spring—before heavy use begins.
Can you help with energy-efficient upgrades?
Absolutely. We install Energy Star-rated systems, smart thermostats, and offer SEER-efficient upgrade options tailored to your home’s needs.