4.6 
110 *The Angi rating for Boiler Installation companies in Denmark, ME 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 Denmark, ME 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 19, 2025
Serving Denmark, ME and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Very well. I felt Craig was very professional and very knowledgeable. I think the previous company did me a favor when I was told they couldn’t service my boiler any longer"
+36
Serving Denmark, ME and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"Great. They had to order the part but came back and installed it a couple of days later."
Serving Denmark, ME and surrounding areas
Approved
In business since 1992
Free estimates
Small jobs welcome
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!\n
Serving Denmark, ME and surrounding areas
In business since 2013
Emergency services offered
"Jeff was very knowledgeable and professional, moved and repaired my propane boiler when another company did not. i had struggled with this boiler not working properly for several years and in one visit he knew what was wrong and repaired it."
+1
Serving Denmark, ME and surrounding areas
In business since 1971
Free estimates
Emergency services offered
"Good in quality, professional work"
Serving Denmark, ME and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"It went well. We will use his services again, if necessary."
Serving Denmark, ME and surrounding areas
In business since 2018
Free estimates
"Install went great would recommend to anyone"
+5
Serving Denmark, ME and surrounding areas
In business since 2018
Emergency services offered
Credit card accepted
"Did a thorough cleaning, cap install and waterproof the flashing to stop waterproof. I need a new damper and they ordered it with the necessary prep work for installation."
+3
Serving Denmark, ME and surrounding areas
In business since 2022
Free estimates
Credit card accepted
Only Heat Pumps is a Maine based heat pump installation and cleaning company. We're a fully insured team of dedicated professionals with just under a decade of experience.\n\nOur goal is to provide comfort and a simple, personable relationship with our customers.\n\nWhen you work with us you can expect effective communication, honest work, and modern implementation.
+14
Serving Denmark, ME and surrounding areas
In business since 2019
Free estimates
Emergency services offered
"Very professional and quality work. Highly recommend!"
+14
From average costs to expert advice, get all the answers you need to get your job done.
The average boiler installation cost depends on size, system type, and other factors. Keep reading to learn the cost of a new boiler.
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