4.7 
130 *The Angi rating for Nest Installation companies in Cornwall, CT 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 Cornwall, CT 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 08, 2026
Serving Cornwall, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Troy came when he said he would be here to provide the service. He was knowledgeable and professional and provided the work in a very short time without any issues. I would hire him again."
+12
Serving Cornwall, CT and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1874
Free estimates
Emergency services offered
"Tech arrived on time, was very helpful with Install. However, I was told he would install 2 Smoke Alarms and only one was installed. But overall Tech did a professional job."
+35
Serving Cornwall, CT and surrounding areas
Approved
In business since 2001
Free estimates
Warranties offered
"Excellent overall experience. Materials used were top shelf. Install of system was done efficiently and with care. I would highly recommend William and his team."
+79
Serving Cornwall, CT and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
We're a local family-owned and operated business started in 1987 with hundreds of satisfied customers throughout Connecticut and New York. We install and maintain hosted-cloud and on-premise telephone systems and provide service for your existing telephone system.\nAdditionally, we offer telco & cable company network services, troubleshoot WiFi issues including installing wireless access points for WiFi connectivity, install data, fiber and voice cabling, security cameras and computer networks. Contact us today for a no charge, no obligation survey for all of your telecom and data needs!
+1
Serving Cornwall, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2007
Free estimates
Emergency services offered
"Wes was very personable, informative and very detailed oriented when installing our camera system. Highly recommended."
+10
Serving Cornwall, CT and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Responsive to initial inquiry -sent a value quote on the install .Scheduled the appointment - on time polite and professional. Did a great job on the project explained the operation came in on quote. Will use their services in the future."
+12
Serving Cornwall, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2009
Free estimates
Credit card accepted
"They did an amazing job. I would highly recommend them and hire them again."
+16
Serving Cornwall, CT and surrounding areas
Approved
In business since 2005
Free estimates
Credit card accepted
"Paul who installed the system provided excellent follow up when I had a problem at 6:30am, he called right back. Excellent customer service. Very supportive and cleaned up after himself. I would highly recommend him."
Serving Cornwall, CT and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
Fitz Enterprises is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work.\n \nFitz Enterprises is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.\n \nWe look forward to working with you!
+15
Serving Cornwall, CT and surrounding areas
Approved
In business since 2011
Free estimates
Credit card accepted
"Had a gas fired combi boiler installed. David was prompt, professional, and did excellent work. He even helped me out with a problem I was having with my sump pump, free of charge. Would definitely recommend All Around Mechanical to anyone in need of HVAC work."
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