Commercial Plumbing & HVAC

D&D Mechanical, Inc. can handle any commercial or industrial plumbing challenge, including HVAC and medical gas systems. Our team has extensive experience on commercial plumbing & HVAC projects from large commercial and industrial facilities to general repairs and maintenance.

Our project team can handle every aspect of a project, from estimating, detailing, project management, installation, start-up and commissioning.


Whether your plumbing projects require the use of materials such as Copper, Plastics, Cast Iron, Carbon Steel or Stainless Steel you can rest assured that D&D Mechanical, Inc is multi-faceted and has the expertise and experience to take care of your commercial plumbing & HVAC requirements. Our services include:

• Gas line installation and repair
• New construction plumbing
• Replacement and repair of water heaters and boilers
• Backflow certification, repair and installation
• Medical Gases
• Water systems
• Plumbing systems


D&D Mechanical, Inc. has extensive experience on HVAC projects of all sizes. Our HVAC Division is staffed with a team of exceptional craftsman that bring a vast array of experience and skill in the installation of the Hydronic HVAC Systems.

Our skilled craftsman handle installation and refurbishment in a manner that will respond to your priorities and concerns by communicating, avoiding delays and completing complex tasks on schedule.


• Fan Coils and Blowers
• Air Handling Units
• Unit Heaters
• Cooling Towers
• Industrial Ventilation
• Chillers
• Chilled Water Piping & Circulation Systems

Medical Gas Services

D & D Mechanical is trained and certified in Medical Gas Installation. Our Medical Gas craftsmen perform work in accordance with the American National Standard for Health Care Facilities (ANSI-NFPA 99). All systems are maintained oxygen clean and then purged with nitrogen prior to close. All Medical Gas systems must be certified by an independent third party inspector. D & D Mechanical understands the great significance placed on the capabilities of the people involved with these systems and the importance of proper understanding of the current codes, standards, and procedures.