92.3% would refer friends and family to us

5 stars Customer since 2013

very professional and knowledge technician

5 stars Customer since 2016

Our tech is always amazing, prompt and does a stellar job.

4 stars Customer since 2016

The tech was very nice and got the job done quickly

5 stars Customer since 2016

Brandon is a great tech, great attitude, clean, fast, really nice work. We will be using you guys more in the future.

5 stars Customer since 2017

We had a slab leak that was handled with speed and a creative solution that saved hundreds of dollars.

5 stars Customer since 2017

Professional and experienced technicians. Great attitude. Excellent work ethic. Top notch management support and supervision. We had a 12 hour difficult installation on a roof of a 16 story building. By night time, the building had hot water. Awesome teamwork. Thank You.

5 stars Verified customer

Great service, and very knowledgeable.

4 stars Customer since 2016

I always receive great service from ATS, however on the last appointment there was delay in service and I was not given a call to inform me of delays in service the tech arrived after 5:00pm and had to come to my apartment to let me know he was on site to do the work. Joel is a great technician and I was glad it was someone that I had prior experience with before, and he apologized for the lateness of the hour and explained why. He did the work and got us back up and cool in the community offices, without delay. Just information updates when techs are running late would be appreciated.

5 stars Verified customer

Great work and especial honest with you

5 stars Customer since 2017

Great communication and service. Living in another state it's nice to have a vendor you can trust to service the home and make our tenant happy. They are honest, fast and keeper both myself and the tenant in the loop the entire time. Great pricing too! I would highly recommend them!

Scott and Angie Lauters

Also in El Cajon


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They were efficient and I got into my appointment on time, with no waiting for the staff nor the doctor. The doctor worked hard to finish as much as possible this visit, so that I would not need to set multiple appointments in the future, and I appreciate that.
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5 stars 1272 reviews

97% would refer friends and family to us