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Mansfield Heating & AC Services

Giving You the Best Indoor Climate

Whether it’s hot and humid or freezing cold, Massachusetts residents know that only a highly efficient HVAC system can keep them comfortable indoors. And when their heater or AC breaks down, they also know that they can rely on Dempsey Energy for quality solutions. From minor issues such as loud noises while operating or uneven temperatures to major problems including systems that refuse to turn on, our technicians can handle them all.

With over 25 years of experience, we have helped countless customers in the area get the best indoor climate in their homes or commercial place. Let us help you, too.

For all your heating and air conditioning needs in Mansfield or nearby, call us at (617) 997-4310!

Servicing All System Makes & Models

At Dempsey Energy, our technicians are highly trained and experienced. We even participate in additional training to make sure we can provide you with the solution you need.

Get in touch with us if you need repair, maintenance, and replacement services for any of the following systems:

While we service all HVAC system brands and models, our technicians recommend only industry-leading brands, such as Lennox, LG, Fujitsu, Amana, Goodman, and Mitsubishi, when it comes to new installations.

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Emergency Heating or Cooling? Call Us!

There is no telling when a heating or cooling problem will occur. Your heater may just stop working in the middle of a cold, winter night. The airflow on your AC may suddenly become insufficient while you have guests at home. Whatever emergency situation you are in, know that our technicians are on-call 24 hours a day, 7 days a week. We can restore comfort in your home or business quickly.

To request heating or AC services in Mansfield or the surrounding areas, call us at (617) 997-4310!

Why Choose Dempsey?

  • Licensed & Certified
    Techs for Your Protection

  • Free Estimates
    on Installations

  • Emergency
    Services Available

  • Offering a Wide
    Range of Services