Walsh Mechanical Contractors, Inc. has been providing New York City and Long Island with no nonsense, professional and reliable service since 1989.  Since then, we’ve acquired a reputation for getting the job done right the first time faster than other companies.  Walsh Mechanical is a signed contractor with the Steamfitters United Association local 638.  We specialize in HVAC service and installation for schools and apartment buildings but are happy to customize our service to meet most any demand.