Skip to content


M. Nelson Barnes will get it done right.

M. Nelson Barnes & Sons, Inc.

What We Do

Experienced professionals to handle all your Mechanical and Sheetmetal contracting needs.


• Commercial plumbing systems, fixtures and equipment installations of all kinds

• Medical Gas Systems and equipment installations

• Specialty Water Systems

• Laboratory Water and Lab Gas Systems and equipment installations

Heating, Ventilation & Air Conditioning (HVAC)

• Installations and replacements of Boilers, Chillers, Cooling Towers and Air Handling Equipment

• Chilled Water, Condenser Water, Heating Water and Steam Piping

• Installation of sheetmetal, ductwork, hoods and air distribution system specialties