Achieve Comfort with Our HVAC Solutions

We're Your Reliable HVAC Company based in Alexandria 

Speak With Us

Contact Us

Contact Us

 All fields marked with an asterisk * are required  

Red banner:

Enhance Your Home's Comfort Today

Discover Expert HVAC Services in the Alexandria area

For over 135 years, Thomas J. Fannon & Sons has been a cornerstone in Alexandria, providing top-notch HVAC services. You’ll find our family-owned business committed to delivering free estimates, ensuring you receive the best value. Our team is ready to install and service air conditioning systems, heat pumps, and gas equipment. Alexandria residents trust us for our expert HVAC services, professionalism, and attention to detail.


Whether you're in need of routine maintenance or a complete system overhaul, our experts are here to help. We proudly serve Alexandria and surrounding areas, ensuring your home remains comfortable year-round.


Contact us today to schedule your free estimate and experience unparalleled service in Alexandria.

A vintage scene depicts Fannon fuel company buildings. A green truck sits in front of the storefront with a coal plant in the background.

Air Conditioning

Heat Pumps

Gas Heating

Ductless Mini Splits

Our Most Popular Services

At Thomas J. Fannon & Sons, we offer a range of HVAC services designed to keep your home comfortable.

Our experienced team is dedicated to providing solutions that meet your needs. Explore our comprehensive service offerings:



Discover how our services can enhance your home’s comfort by contacting us today.

A technician explains a furnace to a couple in a garage setting. The technician points at the unit while the couple listens attentively.
Family-Owned Excellence Since 1885
Dedicated to professionalism and attention to detail
Three white air conditioning units on a rooftop, lined up, with large fans visible.

Why Thomas J. Fannon & Sons

Thomas J. Fannon & Sons is deeply rooted in Alexandria's community, understanding the unique climate and needs of our clients. Our commitment to excellence and customer satisfaction sets us apart. Whether it's the sweltering summers or chilly winters, our solutions ensure your home remains a haven of comfort.


We pride ourselves on our history and the trust we've built over generations. Our approach combines tradition with modern techniques, ensuring you receive the best service possible.


Schedule a consultation with us to see why Alexandria residents choose Thomas J. Fannon & Sons for their HVAC needs.