4.7 
2.8k+ *The Angi rating for Nest Installation companies in O Fallon, MO 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 O Fallon, MO 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 May 27, 2026
Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 1998
Free estimates
Warranties offered
"great, on time, expert installation, reasonable price."
+19
Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Emergency services offered
Small jobs welcome
"The Steven Brand did a very professional and thorough job. They removed my kitchen cabinet and old stove top to create a space for a 30 inch stove."
+1
Serving O Fallon, MO and surrounding areas
Approved
In business since 2017
Free estimates
Customers say: Quick response
"Jacob and Cody have been amazing to work with. We originally hired them to repair our stairs and have since contracted with them to install our kitchen tile floor, install electric in our kitchen island and to repair some of our drywall. Their team is very professional, their estimates are accurate and they do quality work. We plan to hire them again when we remodel our bathrooms."
+11
Serving O Fallon, MO and surrounding areas
Approved
Customers say: True professional
"Did an excellent job on my flooring and vanity instal. He also did a few extras that I added on and was very reasonably priced. . He corrected a couple of issues I had from previous jobs not done correctly. Will definitely hire again."
Serving O Fallon, MO and surrounding areas
Approved
In business since 1980
Free estimates
Emergency services offered
"New element installed in less than 30 min."
Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"Wonderful experience with Gas Guru!s! My husband and I would highly recommend them! The owner was very nice, polite and did a great job on our gas fireplace."
Serving O Fallon, MO and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"Adam is an excerpt trcnician! About two years ago, I had aTrane hhvac syatem installed by an inferior company, which was never installed properly.. The system never worked properly and even after three tecnicoans looked at it. It still did not work correctly.. I expiaimed everything to Adam as I had done with the other techs, After about two hours Adam had diagnosed the system and found the problem! He found a wire that the initil installers left diacoonectef,!! He simply. Connected the wite, and now the system works liike as it supposed to!!!. I can not say no enough about Adm! He is the ultimate professsional!!!!"
Serving O Fallon, MO and surrounding areas
Approved
In business since 2015
Free estimates
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
Serving O Fallon, MO and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"Perfectly done. Patrick was wonderful"
+9
Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"Excellent in all area was very professional let you know progress and everything going on. I will definetly hire him for all my next projects he is awesome!!!!!!!!!!!"
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