
Serving Ansonia, CT and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Yes, one day install conversion from tank electric to tankless gas with water softener"





+6

*The Angi rating for Boiler Installation companies in Ansonia, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.
*The HomeAdvisor rating for Boiler Installation companies in Ansonia, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.
Last update on October 17, 2025

Serving Ansonia, CT and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Yes, one day install conversion from tank electric to tankless gas with water softener"





+6

Serving Ansonia, CT and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"Bruce and Bill of Williams and Associates Mechanical Contracting recently removed and replaced my 18 year old oil fired boiler and added an indirect fired water heater. I had been saving for this project for over a year and had been geeking out in my avid research (Thanks Internet!) of products available, reviews and costs, as well as the reputation and reliability of local heating and plumbing contractors. I knew what I wanted, I just needed to stay within my budget and find a contractor I could trust. It is therefore, my pleasure to let others know, on the same web review sites that I referred to, how overwhelming pleased I am to have worked with Bruce Williams and his team. They skillfully removed and installed the heating system in a day, took pride in their work and took the time to explain the new system and to fully answer all my questions. Bruce and Bill clearly like what they do for a living, have great people skills and work very well together. I was able to get the very best of products and still come well under budget. I cannot thank these guys enough! Honest, Professional and Reliable! My dusty, unfinished basement with my new Viessmann boiler, Carlin burner and HTP indirect fired water heater is now my favorite part of the house!"


Serving Ansonia, CT and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"Very please with the install. Vin was very professional and applied due diligence to the project. His oversight and instruction provided the reinsurance that needed. I requested four heating and AC vendors to provide proposals. Tyler was most responsive to my questions and offered me alternatives along with helpful suggestions. My next project is my boiler. I will be turning them in the future."





+172

Serving Ansonia, CT and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"Mike contacted me within minutes of my request. It was the day after the coldest day we've had and we thought we would have to wait for an appointment. I explained that we had no heat Mike told me that he could have someone over within 2-3 hours. He told me what the cost would be which was very reasonable. Joe arrived as scheduled, fixed the problem and cleaned up the area. Within 2 hours our boiler was back up and running. I would highly recommend Mike and MTL and we will be using them to service our boiler for our future needs"





+4

Serving Ansonia, CT and surrounding areas
Approved
In business since 1938
Free estimates
Emergency services offered
"Matt and his team did a fabulous job replacing and installing our oil furnace. He also helped with other issues that we were having with our heating and cooling system for years. Very conscientious, courteous and keeps a the place clean,"





+1

Serving Ansonia, CT and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"Very professional installation. Was done in a timely fashion and the crew was very professional and clean. Huge difference in the comfort of our home now."




Serving Ansonia, CT and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Big job one day removed and installed a home central AC system. A few miscommunication issues. I made a punch list of concerns and sales is working on them. Always returned my calls promptly. Waiting for manuals and installation paperwork."





+24
Serving Ansonia, CT and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"Knowledgeable and friendly from initial consultation to installation. Very happy with Air Inc."





+35

Serving Ansonia, CT and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"Perfect as I expected and more. East Coast installed a central air system and a ductless heating and calling system in my house. They were much affordable than their competitor."





+5

Serving Ansonia, CT and surrounding areas
Approved
In business since 1976
Free estimates
Emergency services offered
"Celco replaced my house boiler. It is a pleasant experience from quotation to installation. Team arrived on time. Completed the job on time. Clean up the area like nothing has happened. It is priced fairly. It is a peace of mind for using Celco. I have no reservation to recommend it."





+8
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