HVAC / Mechanical

Mechanical Construction, HVAC, HVAC Repair, and Engineering Services

NEMSI employee providing mechanical services at the Danbury Fair Mall.NEMSI's in-house mechanical design-build, commercial HVAC, commercial heating, and engineering and sales professionals are committed to developing and maintaining long-term relationships by providing personal attention to clients' needs. 

NEMSI has earned the distinction of being a national award-winning commercial HVAC and mechanical design-build contractor. 

Mechanical and Commercial HVAC Services Expertise

NEMSI's mechanical professionals have the knowledge and experience to satisfy even the most demanding commercial mechanical, commercial heating, and commercial HVAC repair needs. NEMSI’s experience includes:

  • Commercial air conditioning systems for all types of buildings and uses
  • Extensive experience with pharmaceutical and biotechnology laboratory clean room environments
  • Extensive experience in
    • "state-of-the-art" new office or retrofit office HVAC systems
    • warehouse HVAC systems
    • industrial, institutional, and process systems
  • Commercial sheet metal fabrication and installation capabilities
  • Resources to provide commercial HVAC, plumbing, and process piping installations
  • Conceptual budgeting to final guaranteed cost proposals
  • Complete in-house mechanical engineering
  • In-house professional engineers, registered in Connecticut and Massachusetts
  • Energy rebate audits integrated within mechanical design-build capabilities
  • Single source in-house electrical, building automation, maintenance and facilities operation resources

NEMSI’s licensed tradespeople are experienced in the full range of commercial HVAC and industrial HVAC mechanical maintenance installations. Contact us today.