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    See What Our Customers Are Saying

    “Paul and his installation team made this a wonderful experience. Everyone was very professional and excellent to deal with. The installation happened very quickly and we are thrilled to know we have a quality product that serves us well in the years to come. We would highly recommend this company.”
    – Jill Kanwische

    “I went through the rebate program and Paul explained every step and I got back a bunch of money I didn’t even realize I was eligible for. They installed furnace, A/C, and tankless hot water heater. They all coordinated together for a great experience. I would definitely use Guaranteed Comfort again and we love our Lennox system!”
    -Jane Berthiaume

    “Very good experience from sales to service. Installers were clean, polite and professional all the way. No issues at all. Highly recommended”
    – M. Tomlin

    “Highly recommend these guys! Professional staff and great service. I purchased Furnace /AC/Tankless water heater/garage heater and fireplace from Guaranteed and they did a great job with all of them.”
    – B. Bechard

    “I’ve had Guaranteed Comfort do several jobs for me over the years. Chris is honest and reliable he has always taken care of me and my customers. Top notch company!”
    – G. Quinn

    “Excellent workmanship and very professional service from Paul and team! Would definitely recommend and use Guaranteed in the future.”
    – T. Rycroft

    “Knowledgeable and friendly to work with. From initial contact, to quoting phase, to completed job. We’ll definitely use them again.”
    – M. Mio

    “Paul and his team were amazing from the very first contact. Installation was done in a timely manner and they were all very clean, professional and pleasant. I would highly recommend them!”
    – Lynne P. (Google Review)

    “I have always used Guaranteed Comfort for our home’s heating and cooling needs and have never been disappointed. This winter our aging furnace quit on one of the coldest days of the year. Chris was out quickly and set up space heaters until he could install the new furnace the following day. We were so happy with the way things were handled and the new furnace works great. Chris didn’t leave our home until everything was inspected and his guys cleaned up after themselves. A very professional, knowledgeable, courteous and trustworthy company.”
    – Lawrence D. (Google Review)

    “Very professional in the interaction from the initial sales contact, the scope of work review and the installation. Would recommend Guaranteed Comfort to others.”
    – John D. (Google Review)

    “Last year, I called Guaranteed Comfort Heating and Cooling in to diagnosis why there was no cold air coming out of our A/C unit? Knowing this was a very hot summer and with numerous calls coming into their office, Chris was able to come out and diagnosis the problem within 2 days. We had a leak in the system and basically the entire unit needed to be replaced. Chris took the time to explain the programs offered at the time and what my best options would be. Chris then stated that it could be up to two weeks for installation for both the A/C Unit and a new Furnace. I explained that I had family arriving with a new grandson within the week and asked what could be done to speed the process. To say the least, Chris and his team arrived within the week to install the complete unit. Many thanks go out to the installers and Chris for their expertise and customer service.”
    – Randy K. (Google Review)

    “Best customer service around-friendly, honest and helpful-competitive and fair pricing.”
    – Constance H. (Facebook Review)