Top Heating & Furnace Contractors in Dover, NH

"the guys were very nice, got right to work, and fixed the problem"

"My job was fairly complex, which is why I went directly to Heritage - I wanted to retrofit a trailer with a forced hot water heating system (replacing a hot air furnace). It required a finding a boiler from one specific manufacturer, adding the hot water baseboards throughout the trailer, and dealing with installing pipes in an uninsulated crawl space. Tyler, Mike and Dan were professional, courteous, did what they said they were going to do, explained all the new features, left the house spotless. All are very knowledgeable and skilled in their profession. I have never been anything but delighted with the quality of work performed by Heritage employees."

"Andrew set up the heating system in my new build and made himself available for any issues I had once I had moved in. Great work, especially for the price as everything is so expensive with a new build right now!"

"Knowledgable, friendly service! Cody is thorough, professional, and will always go the extra mile for his customers. I highly recommend Cody for any plumbing/HVAC needs."

"Denise was prompt in getting the services done and was more than willing to go to the store when another part was needed. We didnâ t have to wait for him to come back another day which was appreciated."

"Very professional & thorough; one of our best Home Advisor experiences"

"I was very pleased to have done business with Tim. His prompt attention to replacing my furnace in a timely fashion was very much appreciated. I sent in a bid to ServiceMagic and the very next day I received a call from Tim. He came to my home took down all the information the same day. Within less then an hour latter he had a quote for me and said he would have my heating installed the very next day. I was extremely pleased in all aspects and the professionalism of the job. I highly recomend this company for any furnace installation."

"Mr. Makos was very attentive to our unique needs and preferences for heating and air conditioning, and described very clearly his proposed solution, which has proven to be effective. He was very cordial and considerate throughout the contracting and installation process, moved to acquire the necessary equipment quickly, and installed it promptly and skillfully. He provided his service at exceptional savings, compared to other contractors. He has assured us of further consultation and checks on our system, should the need arise, at no extra charge."

"Very good service, communication and pricing. Definitely I would recommend and hire again."

"Tim removed and replaced our oil tanks. Hard working, professional, always got back to you in timely manner."

"We hired Loudon Mechanical to install Daikin mini-splits in our home. The quote was reasonable. Each person in their crew was courteous, prompt, and efficient. They completed our job in two days and left the job site clean. W are extremely pleased with Loudon Mechanical and would highly recommend this company."

About us: "At Excel HVAC, Inc., we pride ourselves on providing quality service that customers can believe in. Whether it is openings, closings or service, we can take care of all of your heating and air conditioning needs. We look forward to working with you!"

"Wonderful workmanship. Very nice people."

"Devin answered my distress call to a leaking boiler and Jake came out to fix the problem. It is my first boiler system so poor Jake got a lot of questions. He was FANTASTIC!! So professional and kind. Fixed the problem and answered all of my questions. He did not try to over sell me. I felt very comfortable with Jake's work! I am so pleased with the company all around that I signed up for the Care program and look forward to see them for annual maintenance. Thank you from the bottom of my heart Devin and Jake! William Rivera"

"They were very courteous and on time. The workers performed the installation in a single day and did a great cleaning of the house upon completion. I am enjoying the heat as we speak. Peter."