Commercial & Industrial Mechanical Contracting
A Legacy of Quality CraftsmanshipHVAC
Enhance building efficiency, comfort, and control with our HVAC design and installation services for all system types.
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Let us evaluate your plumbing needs and engineer a comprehensive, highly reliable, and code-compliant solution.
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From historic steam boilers to today’s most advanced solutions, we’ll keep your mechanical systems running smoothly.
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Building Connecticut for over 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.
See Our HistoryFeatured Projects
Yale Sterling Power Plant
New Haven, CTKnights of Columbus
New Haven, CTChurch of the Resurrection
Wallingford, CT
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.