We had a positive experience with them and their work. They were very helpful and attentive when we needed them.
About Dempsey Energy
Dempsey Energy offers reliable and efficient solutions for heating, air conditioning, and plumbing in Mansfield and Massachusetts. With over 25 years of experience, their team quickly identifies common issues and provides solutions to get systems working smoothly again. Customers appreciate their prompt, professional, and courteous service, including emergency visits. Technicians are known for their honesty, expertise, and respectful attitude, often installing new replacement systems with care. Recent reviews highlight their friendly and knowledgeable staff, who handle tasks like hot water tank maintenance and annual AC checks efficiently. They also swiftly respond to problems like leaking water heaters, helping schedule repairs and replacements promptly. Dempsey Energy remains a trusted choice for heating and HVAC needs, with many customers satisfied with the professionalism and quality of service provided.
Reviews
Technician very knowable, answered all my questions.
Robert Eugene
And really knew his stuff, I'm glad to have him and dempey energy for heating sevice
I had my AC system replaced and Charlie and David were fantastic. They worked all day from 9am til 5pm. The area was cleaned spotless when they were done. They thoroughly checked to confirm everything worked before leaving and made sure any questions I had were answered.
Photos

Hours
Good to know
- online estimates
- on-site services
- accepts credit cards
Location
575 East Washington Street Unit East, North Attleborough, MA 02760
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