4.6 
1.4k+ *The Angi rating for Nest Installation companies in San Dimas, 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 San Dimas, 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 21, 2026
Serving San Dimas, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"Danny did an excellent job all the way thru. Fit my budget and did the install very timely and system is up and fully running same day. Highly recommend their services!"
+67
Serving San Dimas, CA and surrounding areas
Approved
In business since 1978
Free estimates
Emergency services offered
"Showed up when they sar, diagnosed the problem quickly. As we have a heat pump we have had many issues with repairs, even with the company that installed it!"
+3
Serving San Dimas, 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 San Dimas, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Calls back within minutes. Quote was great. Installed within a few days and left the house in clean condition. Very professionall. The AC unit works great"
Serving San Dimas, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"Was my consultant and advisor in the new repair system for my home"
+6
Serving San Dimas, CA and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"Very easy to work with; explained A/C problems in laymans terms; fixed problem. Very satisfied with service provided."
+9
Serving San Dimas, CA and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Great HVAC installation- professional, on time, and everything works perfectly. The team was friendly, efficient, and left everything clean. Highly recommend!"
+12
Serving San Dimas, CA and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
"Ray is very professional, and provided options for my air conditioning unit replacement. Ray went out of his way to replace a small gas line leak that he found. He also drove to Anaheim early on Saturday morning to pick up a part that was needed for the AC unit, and came over to install it so that I would have the air conditioner available for the upcoming heat wave this week. He and his team were on time, and considerate during the installation process. I highly recommend RS Air Conditioning & Heating."
+2
Serving San Dimas, 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 San Dimas, CA and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Great value because the cost for the job was very reasonable and the install was smooth and works great"
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