Save 15% up to $3000 on Installation for a Limited Time

We’re OPEN & Ready To Serve Your Needs

Hamels air conditioning & Heating inc logo

The 6 Biggest HVAC Companies in San Diego

How to find the best HVAC Companies Near me

It can be overwhelming looking for the biggest or The Best HVAC & Furnace Company in San Diego, California. We at Hamel’s hear this from potential clients every day. But, with Google searches and word-of-mouth recommendations, it’s hard to know who to trust.

Hamel’s was recently voted San Diego’s Favorite Heating & Air Company in the 2021 union tribune readers poll. We’re also awaiting results on 2022 as we’ve been nominated again by the U.T. readers. However, being customer-focused, we also understand knowing your options is essential. For this reason, we have compiled a complete list of who we consider to be the biggest HVAC companies in San Diego.

The focus of this list is on the size of the company. While some of these companies may end up on our “Best of Sd HVAC List.” A company’s size does not guarantee quality as keeping that many skilled workers becomes extremely difficult. I discuss this concept extensively in the following article. Learn how to find the best local HVAC company near you.


Bill Howe Plumbing Heating and Air

bill howe heating and air
Founded – San Diego 1980
Bill Howe has been servicing HVAC in San Diego since 2007 and has evolved into one of San Diego’s largest building maintenance companies

Carini Heating & Air Conditioning

carini heating and air
Founded – San Diego 2006
Carini offers heating, air conditioning, and plumbing installation and service


ASI Hastings Heating, Air and Solar

asi the white glove guys heating and air
Founded – San Diego 1952
The White Glove Guys have been serving San Diego County since 1952.

Action Air Conditioning & Heating

action air conditioning heating and solar
Founded – San Diego 1975
Action Air Conditioning, Heating & Solar offers services for both residential and commercial heating and air conditioning systems


Guthrie and Sons Inc 

Guthrie and Sons Inc 
Founded – San Diego 2005
Offering solar and HVAC services in the San Diego area



airmaxx heating and air conditioning
Founded – San Diego 2003
HVAC services in the San Diego county area.  

Airmaxx HVAC 



We hope this information will help you make an informed decision and help to guide you through your AC and Heating options. These companies are the largest by volume and not necessarily your best options as it can become much like eating at Mc Donalds. Would you like tips on finding the best local HVAC company for you? If so, please read our How To Find The Best HVAC Company Near Me where we talk about what to avoid. Would you like to learn more about how Hamel’s Air Conditioning and Heating can help you? We’re a trusted name is San Diego focused on quality so please give us a call using the button below.

Belinda Alnassar
Belinda Alnassar
23:34 17 Jun 22
I was very happy with the professional service I received today from Mike . He was timely and very helpful answering all my questions and getting the... service done for my house. I would recommend them to more
18:30 14 Jun 22
Hamel's was gracious enough to give me a second opinion on work I needed done to the mini splits in my office. They squeezed me in on short notice,... showed up on time (early, even), and were professional throughout their visit. Although I wasn't able to book them due to obligations with my property manager, I was impressed and will be sure to use them again if/when the situation presents more
Carla Coshow
Carla Coshow
16:26 04 Mar 22
Second generation HVAC Contractor. Luke replaced the unit in my Uptown townhouse, and is estimating installation in a rental property for meI trust... this guyread more
Steve Hallman
Steve Hallman
20:34 18 Jan 22
The installation of my AC unit was done professionally and I am very satisfied with the Unit ... I will recommend Hamel A/C to my neighbors.
otto donato
otto donato
23:33 14 Jan 22
Took care of our reach in refrigerator and got it running cold again in quick order. I’ve been using Hamel’s for many years and they’ve always taken... good care of more
See All Reviews