Service and Maintenance of HVAC Systems

We offer a range of flexible service contracts to meet our customers needs.

Design and Installation of HVAC Systems

Our extensive engineering background and exceptional installation staff allow us to
design and install heating, ventilating, and

Engineering Surveys and Reports

We provide many services that range from Engineering Surveys to Indoor Air Quality investigations to Systems Commissioning

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Capitol Engineering Company is proud to announce and congratulate Bill Chaisson on his induction into the Boston Chapter ASHRAE Hall of Fame. Bill is a part of the inaugural class for the Boston Hall of Fame and it is much deserved. Bill was inducted into the Hall of Fame during the October ASHRAE meeting where he was presented a plaque briefly highlighting a few of his many industry accomplishments. Bill gave a brief acceptance speech where he spoke of the many changes he has seen in the industry during his long and accomplished career. Please join us in congratulating him.


Capitol Engineering Company is pleased to announce that Anthony Castelline has joined the company as a Design Engineer. Anthony recently graduated from Wentworth Institute of Technology with a Bachelors of Science in Mechanical Engineering Technology. Anthony first worked with Capitol Engineering in 2009 as a Co-Op student. Anthony will work in the design department preparing load calculations and developing CAD designs for system design and installation. Please join us in welcoming Anthony.

U.S. Green Building Council

The 'LEED Certification Mark' is a registered trademark owned by the U.S. Green Building Council and is used by permission.