CTS Services is a full-service mechanical contractor and HVAC service contractor dedicated to providing total facility services to owners and managers of commercial facilities, communication facilities, and mission critical facilities in the Baltimore/ Washington markets. We currently service over 500 customer sites providing reliable HVAC service, Mechanical installations, and bundled services. We approach each project with a “Whatever It Takes” attitude.

Our technicians are factory trained and we service all types of equipment including: Liebert, Stulz, Data Aire, McQuay, Trane, Carrier, York/JCI, and many other manufacturers. Our operation is fully automated providing 24 hour emergency services, service and maintenance contracts, and emergency equipment replacement. Our technicians utilize service tablets which allows real time dispatch and the ability for the technician to review service and maintenance history for each piece of equipment installed in your facility.

CTS Services is a factory authorized service agency for the following manufacturers:

  • Liebert/Emerson (LSPN)
  • Armstrong
  • Stulz
  • Patterson-Kelley
  • Data Aire
  • Desert-Aire
  • Daikin McQuay VRF Systems
  • AAON
  • ABB
  • Danfoss


Installation/Mechanical capabilities include:

  • Cooling Towers- Replace
    & refurbish
  • Rooftop Unit Replacements
  • Boiler Replacements
  • Variable Refrigerant Systems
  • Pumps- Replace and rebuild
  • Split Systems
  • Chiller Replacements
  • Heat Exchangers
  • Core Unit Replacements
  • VFD Installations
  • Fan Coil Replacements
  • Humidification Systems

Mission Critical Systems:

  • CRAC Units
  • Dual Cooling Units
  • Glycol Systems
  • Chilled Water Systems
  • High Density Cooling
  • Control Upgrades
  • In Row Cooling
  • Cooling Optimization
  • Critical Power Services

Mission Critical Service Offerings

  • Data Center Assessments
  • Computational Fluid Dynamics (CFD) Modeling


November of 2001 marks the official beginning of CTS Services. After merging with Mechanical Welding Services, key personnel from the former Commercial Air, Power & Cable joined forces to start CTS Services. Many of those from Commercial Air had worked together for over 20 years. Today, CTS Services has grown to a $28M company with over 100 employees. As of May 2015, CTS Services is now a part of ABM Building and Energy Solutions Group.

Quality and Determination

Our Vision

The premier provider of facilities solutions and the most sought after employer in our market dedicated to quality through customer focus and employee empowerment.

Our Mission

We are a full service mechanical contractor dedicated to exceeding customer expectations. Our mission is to maintain a customer-focused, employee-driven atmosphere, while providing diversified technical solutions. We are built on a foundation of integrity, reputation, and our desire to be the leading HVAC/mechanical contractor in our market.



Place a service request online

Authorized Factory Service Provider

24 Hour Service

CALL 800.791.7088

Featured Works:

CTS Services is a full-service mechanical contractor dedicated to providing mechanical services to owners and managers of Communication, Commercial, and Mission Critical Facilities. With over 30 years' experience, the CTS team has the knowledge and background to provide quality installations, preventive maintenance, and service for all types of mechanical systems.

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