4.6 
1.1k+ *The Angi rating for Nest Installation companies in Fontana, 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 Fontana, 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 December 28, 2025
Serving Fontana, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"100% recommend very professional, after installation they clean up everything too highly recommended"
+263
Serving Fontana, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"They did a great job installing my new thermostat."
+67
Serving Fontana, CA and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Monty does excellent work. I needed a window AC installed which involved some custom fitting and mounting. I have a sliding window from left to right instead of up and down so to do a clean install was more involved than a traditional up down sliding window. I believe Monty went above and beyond to make sure the work was quality and addressed all my concerns. He made sure the whole installation was well sealed off using generous amounts of silicone.I highly recommend him for any handyman work you might need accomplished."
+21
Serving Fontana, CA and surrounding areas
Approved
In business since 2012
Offers commercial services
Customers say: True professional
"I hired them to complete the install on a mini split system. I did all the installation on equipment, Copper lines and running the electrical. I just need them to pressure check the system and create a vacuum within the system. They replied quickly, were on time, and were professional. I would hire again."
Serving Fontana, CA and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
"Ulises took the time to explain everything he was doing! Great service"
+4
Serving Fontana, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2012
Free estimates
Customers say: Quick response
"Adrian was very thorough in explaining what the problems could be and how to address each one by process of elimination"
+4
Serving Fontana, CA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Robert and Michael installed a whole new air system in our addition. They went above and beyond finding the right system and making sure in was properly installed."
Serving Fontana, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"I have a tankless water heater that was giving an error code and i had no hot water! The tech that came out was very nice and knowledgeable. Im glad to report i now have hot water again. As a side note I talked with the tech about water treatment options and a RO system and as long as my husband agrees I will be having them install both items!!"
Serving Fontana, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Awesome service, very happy with everything. 5 stars"
Serving Fontana, CA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Excellent service, very fair price. Rafael and his crew did great installing our new ac system."
+32
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