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About Us

Thompson Heating & Air Conditioning is a licensed family owned and operated company, providing quality service and installations in Southern California since 1980.

As a small business, we are able to take care of our customers and understand their needs on a more personal level. We strive to surpass “industry standards” every time we complete a job. We are here to bring peace of mind to you by exceeding your expectations and building total consumer confidence.

We promise that you will receive quality products and dependable service. From maintenance and repairs, to complete heating and air conditioning installations, our skilled HVAC technicians and heating and air conditioning installation crews are able to fulfill your comfort needs during every season of the year throughout Southern California.

Thompson Heating & Air Conditioning specializes in zoning, ducting, air conditioning installations, air conditioning repairs, furnace installations, furnace repairs, new construction, air purification, and high efficiency HVAC products. Thompson Heating & Air Conditioning is the first independent Trane dealer in San Diego County.

Meet the Owner

Garett & Sara Baird have served Southern California as a Thompson Heating and Air Conditioning expert for the past eight years. He was privileged to earn ownership of the company in 2012 when founder Tom Thompson chose to pass his legacy on to the next generation. Garett & Sara look forward to growing the company in the years to come, while maintaining Thompson’s time-tested dedication to innovative techniques and excellent customer service.

Garett’s favorite parts of his job are helping home and business owners understand their cooling and heating options, and seeing their satisfaction and relief when the project is completed. When he doesn’t have his boots on the ground or his head in the attic, he enjoys spending time with his family and fishing.


It took three days to complete the job and I cannot imagine how it could have been better. Throughout the entire process, Garett answered all my questions and started each day of the installation by asking me if I had more questions. I was so impressed  with Garett that by the end I wanted to adopt him. The real proof of the quality of their work came 3 days after completion when the HERS inspector came with all his measuring equipment and found the performance of the system (air leakage) was better than that required for a new house with new installation. 

-Bob and Peggy from Rancho Bernardo on Angie’s List

This was a good experience from start to finish. We are happy with our new furnace, air cleaner, ducting and thermostat and are glad we had the work done by Thompson Heating and Air Conditioning. It is a capable, responsive, and ethical company. 

-Kai from La Jolla on Angie’s List

They stayed within their bid price and were done on time exactly as promised with no mess left behind and the correct paperwork for all the rebates.  If you are going to have someone in your home working all around pick these guys, they are clean, nice, on bid, and on time. 

-Carol from Poway on Yelp

Called on the weekend, and they responded promptly, while other companies didn’t even return my call. They came that day, replaced the thermostat immediately, and charged a reasonable price. I would definitely call them again. 

-Robert from San Diego on Angie’s List

[Garett Baird] was knowledgeable, attentive and courteous, and provided me with more pertinent information than either of the other competitors ever thought to share. The promptness of the service call and installation went equally as well. They accomodated my short notice for an install date, without any problem. I would HIGHLY recommend his services to any of my friends.He is truly what a professional contractor should be! 

-Barbara from Oceanside on Angie’s List

[Garett] was able to come in lower in price than others with more personal service and no compromises on the equipment or install.

-Ron from Vista on Yelp

Had 30 year old furnace that failed a safety inspection. I felt Garett helped me through this decision making process with information and options rather than a sales like process. I really appreciated that and I felt very comfortable going ahead with Thompson heating. Everything went smoothly. The furnace works great. I am extremely happy and very appreciative for the great work that Garett and Mike did for me. 

-James from Mira Mesa on Angie’s ListWe understand you have many choices when it comes to an Air Conditioning and Home Heating contractor and we just want you to know that when you choose Thompson Heating and Air Conditioning for your Air Conditioning needs you are taking on a valued partner in making your home or building a better, more comfortable place to be in.

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