4.6 
977 *The Angi rating for Nest Installation companies in Duarte, 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 Duarte, 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 14, 2026
Serving Duarte, CA and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Marco is amazing. Installed my sink and was kind, thorough and I would hire him again."
+21
Serving Duarte, 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 Duarte, 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 Duarte, 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 Duarte, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"Very knowledgeable, professional, and great customer service! Penguin, serviced our central AC & Heat and they explained everything to us before performing the work. They also replaced our moldy insulation in our attic. They packed and transported the old moldy insulations, ensuring that the mold does not spread, and they left our house free of any mess. I'd recommend Penguin Heating and Air to anybody in need of AC/Heat service, repair, or installation."
+6
Serving Duarte, CA and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
"Ray was very responsive and professional since my first contact with him. He came out early the next day to diagnose my broken AC and walked me through the testing stages and explained what he was doing, how it works, and why. He tried several methods to get the system up and running but ultimately, we had to replace the old unit. Since we were in a 100 degree heatwave, Ray was mindful of our situation and came early the next day to install the new unit within an hour. Very fortunate to have a seasoned professional like Ray to help us amidst the heat and Covid. I would highly recommend him to anyone looking for central AC work."
+2
Serving Duarte, CA and surrounding areas
Approved
In business since 1988
Free estimates
Warranties offered
"They were very thorough and did a great job."
Serving Duarte, CA and surrounding areas
Approved
In business since 1990
Free estimates
Credit card accepted
"Very responsive company and I am very satisfied with their installation of my AC system."
+6
Serving Duarte, CA and surrounding areas
Approved
In business since 1996
Emergency services offered
Warranties offered
"Reviewed the problem quickly and then commenced to fix it. Very impressed."
Serving Duarte, CA and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"Unit wasn?t heating, James repaired the heater and the system has been working great since then, James was very knowledgeable, kind and professional."
+11
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