1125 Glenna Street San Angelo TX 76901


We’re committed to providing you with the highest level of service, so you’ll always be happy that you chose us. 


Air Conditioning is a trade that most people aren't familiar with. Here at Duncan Mechanical, we promise to never unfairly take advantage of someone who needs our services. We pride ourselves on our honesty and integrity and we firmly believe that you'll see the difference when you choose our company. We've also been family- owned and operated for over 30 years. 


We may not be related, but you’ll feel like we’re family.

Our Team

We’re committed to providing you with professional service and an installation that you can be proud of. 


Our staff members are highly skilled and have years of experience and certifications. But, their dedication to making sure your needs are met doesn't come from that, it comes from within, And it's embraced and appreciated by all of our staff. 


Get to know our experienced technicians. They’ve got the skills, and a desire to help. 

We pride ourselves in being the MOST experienced and well trained Air conditioning and heating company in San Angelo and the surrounding area.

Our staff combined have over 100 years experience working on everything from Mitsubishi mini splits to large scale industrial chillers.

We also offer building automation solutions for the most complex building systems to seamlessly integrate into your facility.

Long-term Business




We offer financing options for new air conditioning and heating systems. Please call today for details  on options for financing equipment.

(325) 944-8372