Design Build Services

Your one-stop-shop to design, engineer, install, service and retrofit the systems you need.

GMS specializes in the renovation and retrofit of mechanical systems in data centers and commercial and industrial facilities. We utilize our in-house skills and technology to minimize a project’s timeline while adhering to the customer’s budget and needs.

Since 1998, GMS has been delivering design-build, high-performance mechanical systems, commercial HVAC and plumbing systems on-time and on-budget. Our in-house professional engineer, project managers and our highly skilled and certified field technicians work to ensure the highest quality and value for our clients.

Our Design Build Team Offers

  • Single source responsibility for your project with reduced design and construction schedules
  • Existing system assessments and audits
  • Pre-construction services including 3D scanning and prefabrication
  • Engineered retrofits for applied or unitary HVAC systems
  • Specialists in high-efficiency, Variable Refrigerant Flow (VRF) systems from Mitsubishi

GMS is a certified Mitsubishi Diamond Commercial Contractor. We can help you solve the toughest HVAC challenges including occupant comfort, design and energy efficiency.

The Time for VRF is Now

The need for energy efficient HVAC systems has never been greater. As efficiency standards continue to become more stringent, VRF provides a solution that leaves conventional HVAC systems struggling to catch up.

All Types of Buildings

The needs of your building dictate the type of HVAC system you can consider. The flexibility and efficiency of VRF make it a great choice for virtually any application.
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Contact us to learn how we can help with your design build solution

Areas We Serve

Helping Maryland, Virginia, DC, Delaware and Pennsylvania properties & facilities with their mission critical HVAC, mechanical, plumbing and electrical systems since 1998.