4.6 
1.5k+ *The Angi rating for Nest Installation companies in Altadena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Nest Installation needs.
*The HomeAdvisor rating for Nest Installation companies in Altadena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Nest Installation needs.
Last update on July 01, 2026
Serving Altadena, CA and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"We are very happy with the results of our door installation. The entire doorway had to be cut out and expanded to fit the standard sized doors. TME did a quick and accurate job. It looks great!"
Serving Altadena, CA and surrounding areas
Approved
In business since 1997
Free estimates
Emergency services offered
"Victor showed up on time, and was pleasant. He removed the old fan and then assembled and installed the new fan. Even overcoming a problem with a part supplied being the wrong size. Great job."
+33
Serving Altadena, CA and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"DNA replaced the water pump.My mother is very satisfied.She know have cold air again."
+26
Serving Altadena, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Warranties offered
"Just a "simple" ecobee install. Tech had a minor issue with my AC unit (it's 100%my unit) and didn't even attempt to upcharge us. Very honest and knowledgeable company. Will absolutely recommend to everyone I know."
+83
Serving Altadena, CA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Josh did a great job on my roofing repair! He showed up when he said he would, and the roof looks great! He also installed some replacement skylights and siding. He sent many pics of the job as I wasn’t able to be there when the work was performed. I will definitely use him again."
+136
Serving Altadena, CA and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Assemble a Sauna. A very complicated job. He did a wonderful job. Very thorough and complete."
+21
Serving Altadena, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Had the absolute pleasure of meeting with Joseph at my home. I had reached out for an HVAC inspection (my wife and I just got our first home). Joseph took his time, addressed my whole system, and left me with total confidence and peace of mind on my system (we were lucky and didn’t have any issues other than some cleaning and new filter needed). I would 100% recommend Canyon City Air to EVERYONE. Truly felt like he cared for my home as if it was his. Thanks, Joseph!"
Serving Altadena, CA and surrounding areas
Approved
In business since 1990
Free estimates
Credit card accepted
"Installer was very thorough and explained everything. He could even tell us how old our furnace was."
+6
Serving Altadena, CA and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"I needed my ducts cleaned out as they were extremely filthy. I called the Kool Guys and they sent someone out immediately. The workers took a video of the before and after and it was such a difference. I was very satisfied with the end results."
Serving Altadena, CA and surrounding areas
Approved
In business since 1988
Free estimates
Warranties offered
"They were very thorough and did a great job."
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