4.5 
291 *The Angi rating for Boiler Installation companies in Fairfax, OH 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 Fairfax, OH 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 September 15, 2026
Serving Fairfax, OH and surrounding areas
Approved
In business since 1928
Free estimates
Emergency services offered
"Austin C. provided a professional, knowledgeable, and quality installation of my water heater."
Serving Fairfax, OH and surrounding areas
Approved (Corporate)
In business since 1954
Emergency services offered
Customers say: Quick response
"Service technician was very professional. He took time to show me what had to be fixed and explained how it would improve furnace performance. He took the time to make certain I was satisfied with the outcome. He tested the systems to check they were in good working order. Finally we have excellent customer service."
Serving Fairfax, OH and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Response time was incredible fast and a service appt was scheduled that was early and convenient for my husband to be present. Donnie and John texted their arrival time. They were prompt and professional. They accessed the furnace and located the problem. Within a few hours problem solved, and house was warming. I highly recommend this service."
+1
Serving Fairfax, OH and surrounding areas
In business since 2011
Free estimates
Emergency services offered
"I have used Chilly Heating and Cooling for years for seasonal tuneups, maintenance and whole system replacements. Sam's prices are fair, he is trustworthy, he arrives on time and always conducts himself in a respectful and professional manner. He is my go to guys for all HVAC matters."
+72
Serving Fairfax, OH and surrounding areas
In business since 1995
Free estimates
"EXCELLENT EXPERIENCE. THEY MADE SURE I KNEW EXACTLY WHAT I WAS GETTING, WHAT IT INVOLVED, AND HOW IT WORKED, BEFORE THEY EVER SHOWED UP. THEY WERE RECOMMENDED BY BOTH ANGIE'S LIST AND OUR HVAC COMPANY ADAM'S"
Serving Fairfax, OH and surrounding areas
In business since 1997
Credit card accepted
"Provider did a good job install sump pump. Also installed new back flow valve.
"
+6
Serving Fairfax, OH and surrounding areas
In business since 1978
Free estimates
Emergency services offered
"well done, correct function and replace of poorly welded coils from factory installation - still under warranty."
+7
Serving Fairfax, OH and surrounding areas
In business since 2006
Free estimates
Credit card accepted
"Installation right on the day after inspection of need. Fantastic experience! Todd and Dennis are wonderful guys. Use this company!"
+2
Serving Fairfax, OH and surrounding areas
In business since 1990
Free estimates
Emergency services offered
"These guys were amazing. They were the first ones to call after I submitted a request on Angie's List, and they came out the same afternoon. They did everything they could to keep the price of the repair down, including calling the furnace manufacturer to see if some of the parts were covered by warranty. Then they were willing to work with me when it ended up costing a bit more than I expected (something that was out of their control.) They lent me a few heaters to put in my kids' rooms overnight since the parts place had closed for the day by the time they knew what they needed. The level of care I received from this company was incredible - not something I expected at all. I'm really happy to have worked with them, and I most definitely will be giving them my business in the future!"
+12
Serving Fairfax, OH and surrounding areas
In business since 2018
Free estimates
"Dalton put my water heater in. He did such a great job. He showed up on time and was very professional. I would absolutely hire again !"
+3
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