Logo for: Buckingham Routh

Commercial & Industrial Mechanical Contracting

A Legacy of Quality Craftsmanship
  • HVAC

    Enhance building efficiency, comfort, and control with our HVAC design and installation services for all system types.

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  • Plumbing

    Let us evaluate your plumbing needs and engineer a comprehensive, highly reliable, and code-compliant solution.

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  • Service

    From historic steam boilers to today’s most advanced solutions, we’ll keep your mechanical systems running smoothly.

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Est. 1854

Building Connecticut for 170 Years

Founded in 1854, The Buckingham Routh Company is today the oldest mechanical contractor in the United States. We’ve helped build the City of New Haven, Connecticut, giving it the solid infrastructure needed to forge ahead from one century to the next.

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Featured Projects

  • Yale Sterling Power Plant

    New Haven, CT
  • Knights of Columbus

    New Haven, CT
  • Church of the Resurrection

    Wallingford, CT
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Getting the Job Done Right Since 1854

As the nation’s oldest commercial heating and plumbing contractor, Buckingham Routh knows what it takes to build mechanical systems that last. With experienced tradesmen, uncompromising integrity, and dedication to excellent workmanship, we’ve helped to build Connecticut’s most iconic institutions—while building a legacy of our own.