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Complex Building Systems

Prime General Contracting
Harper is recognized as a leader in prime general contracting (engaged directly by the building owner) for mechanical, electrical and plumbing-intensive projects. As prime contractor, we provide integrated turnkey, design-build solutions using our in-house MEP engineering team.

Building Systems
Harper provides best-in-class mechanical, electrical, plumbing, controls and fire protection systems. Complex building systems we engineer, construct and serve include:

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  • Heating, Air Conditioning and Ventilation Systems
  • Sheet Metal Fabrication, Installation & Insulation
  • Heating Piping Installation
  • Boiler Systems
  • Chilled Water Systems
  • Automatic Temperature Controls

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  • Plumbing Systems
  • Steam Systems
  • Domestic Water System
  • Water Meters
  • Sanitary Piping Systems
  • Grease Traps
  • Storm Piping System
  • Sump Pits
  • Subsurface Piping
  • Plumbing Equipment
  • Plumbing Fixtures & Trim

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  • Electrical Power Service
  • Underground Duct Banks & Conduit
  • Power Centers & Circuit Breakers
  • Electrical Switchgear
  • Distribution Panels & System
  • Interior & Exterior Lighting
  • Backup Power Generators

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  • Building Automation & Management Systems
  • System Integration
  • Data Analytics
  • Energy Management Systems

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  • Fire Protection Design
  • Standpipe & Fire Pumps
  • Fire Sprinkler System
  • Wet and Dry Systems
  • Preaction Systems
  • Deluge Systems