A Portion of All AGL Proceeds Support Charitable Causes


Heating Repair & Service Specialists

With over 100 years of combined experience in heating installation, maintenance, and repair projects, our highly knowledgeable and honest comfort specialists are ready to help you with any HVAC challenge. Equipped with universal HVAC parts always in our trucks, our technicians come prepared to provide you and your home with industry-leading customer service. We will always walk you through the best solutions for your needs after diagnosing the problem and provide an estimate before doing any repair services. Because we understand the importance of doing the right thing. 

We strive to provide affordable comfort to all of our Charleston neighbors, so we keep our repair prices low by charging just $88 dollars for diagnostic visits. And to give back to the community that we grew up in, we donate 10% of all proceeds from diagnostic services to our local charities. Need a recommendation on which to choose? Give our staff a call today!

Save more on repairs and monthly expenses with routine maintenance on your heating and ventilation system. Your HVAC system should matter more when it’s working!

View our Preventative Maintenance Checklist

Let’s Get Started



Contact Us Now

Available with approved credit on select systems. Call for Details.


Our Customer Stories

"Our technician was extremely polite, professional, and personable! He updated me on his progress during his work and cleaned up after himself! This was our first experience with AGL and we were very impressed, knowing we made the right decision to go with them!"

- Hayley

"I have truly been impressed with Ricky's professionalism, honesty, and recommendations through this entire process from start to finish. The crew came in and did the installation in one day and had to come back a 2nd date to touch-up a few remaining items, but Ricky ensured the crew were on point! "

"If you are looking for a new HVAC company or looking to install a TRANE product, look no further than AGL Heating & Cooling... you won't be disappointed!"

- Matthew

Recent News

Why Your AC Won’t Turn On

Heating & Air Conditioning Tax Credit

The Process of Replacing Your HVAC System