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RMI can fully service and repair your central air condition unit.  Our reliable and fully insured staff will keep your business cool and ventilated this summer.

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RMI is equipped to tackle any large scale heating or ventilation project. We helped Ararat farm extend the growing season in this heated greenhouse.

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Heating Service

Our sister company Harvest Energy will keep your heating system running smoothly and efficiently with 24/7 emergency assistant and fuel delivery service.

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Solar Thermal

RMI will evaluate and install a solar hot water system that will save energy and meet your household need.

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Wood Pellet Boilers

RMI can install a wood pellet central boiler as the primary heat in your home.

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Welcome To Rockport Mechanical, Inc.

RMI is a locally owned full service mechanical contracting firm based in Rockport, Maine.  RMI works with architects, engineers, general contractors, and homeowners to design, engineer and maintain a wide range of highly efficient mechanical systems.  We are ready to take on jobs of all sizes and specifications in the Mid-Coast Maine.  Our work can be seen in many residential new construction projects, renovations, restaurants, retail spaces, offices, apartment complexes, and schools both on the mainland and on Penobscot Bay Islands. We pride ourselves on our high quality work performed by our experienced fully licensed and insured staff. 

Our expertise includes a range of residential and commercial services:

  • Plumbing 
  • Heating
  • Climate Responsive Controls
  • Geo-Exchange Heat Pumps
  • Solid Fuels (wood boilers)
  • Water Treatment
  • Air-Conditioning
  • Solar Thermal
  • Indoor Air Quality
  • Central Vacuum
  • Radon Venting
  • Design and Engineering
  • 24/7 Emergency Service

RMI’s sister company, Harvest Energy, provides a full range of maintenance services as well as fuel delivery.  Harvest Energy is the only oil company in the region to sell a 20% blend of biofuel produced from regionally obtained sources. Our service plans will extend the life of your system and give you peace of mind through the winter knowing your heating system is operating safely and efficiently.


24/7 Emergency Service

(207) 236-4172

24/7 Emergency Support for RMI and Harvest Energy customers in good standing.

Contact us for all other inquiries.