DDG Virginia Engineering, PC

HVAC, energy management, and sustainable design for commercial and government buildings, covering systems from central plants to high-efficiency alternatives.

• HVAC Systems

  Heating, ventilation, and air conditioning systems designed for optimal comfort and energy efficiency.

  • CAV & VAV Systems
  • Chilled Water, Condenser Water, & DX Systems
  • Chilled Beam Systems
  • Dedicated Outside Air Systems
  • Energy Recovery Systems
  • Geothermal Systems
  • Variable Refrigerant Volume Systems
• Central Plant Design
• Energy Management & Automation Control Systems
• HVAC System Evaluation Studies & Reports

Systems design for power distribution, custom illumination, and emergency backup power across commercial and public facilities.

• Power Distribution Systems
• Lighting Design & Field Studies

  Comprehensive illumination solutions including computerized modeling and field studies.

  • Interior and Exterior Lighting
  • Lighting Control & Dimming Systems
  • Computer-Aided Modeling
  • Lighting System Field Studies
• Emergency & Standby Power Systems

  Backup power solutions including generator and uninterruptible power supply system design.

  • Generator Systems
  • Uninterruptible Power Supply Systems
• Electrical Utility Services
• Electrical System Evaluation Studies & Reports

Design of safe, high-performing, and code-compliant plumbing systems for domestic, sanitary, and specialty applications.

• Domestic Water Systems
• Sanitary Waste & Vent Systems
• Specialty Plumbing Systems

Project support from design through completion, ensuring field execution matches drawings and specifications.

Facility assessment services supporting tenants, landlords, and investors with transaction due diligence and capital planning.

• Property Condition Assessments
• Tenant MEP Evaluations
• Landlord MEP Evaluations
• Lease Due Diligence
• Capital Planning Evaluations