ATMAC Mechanical is a complete mechanical services and construction contractor. Whether you need new construction, commercial plumbing and HVAC, emergency building service, or renovation, ATMAC is Service at Work. We started the business servicing air conditioning and refrigeration equipment in 1952. Now, ATMAC Mechanical is known for plumbing, process piping, and HVAC equipment & duct installation. Our expert technicians and plumbers get the job done right - the first time. Building Engineers and Facility Managers trust ATMAC Mechanical to solve system issues and keep the equipment running without expensive problems. They depend on our years of experience to keep rooftop units and complex chiller & boiler systems working the way they should. We are Service at Work.