• Home
  • About
    • Testimonials
    • Our Community
    • Blog
  • Services
    • System Replacement
    • Service Maintenance Contracts
  • Departments
    • Service Department
    • Design Department
    • Sheet Metal Fabrication
    • Commercial Department
    • New Construction
  • Photos
    • Before & After Photos
  • FAQ
  • FREE Estimate
  • Contact
  • Job Application
  • Promotions


Located in the heart of Waldorf, Maryland – TMS, Inc. has provided quality HVAC service for residents of the Maryland, Virginia Metropolitan Area for over thirty years.



Trumbull Mechanical Services serves a variety of markets. We tackle tract housing with the same vigorous workmanship the company was founded on and have expanded out breadth in the marketplace to include custom housing and after warranty service to the homeowner on all brands of equipment.

877-523-2600 (Toll Free)

301-843-7477 (MD)

703-591-1676 (VA)

Trumbull Mechanical Services, Inc.
28R Industrial Park Dr.
Waldorf, MD 20602

Promotions & Specials


Our Design Is Your Comfort

301-843-7477 (MD)

703-591-1676 (VA)


© Copyright 2014, Trumbull Mechanical Services, Inc.
Calvert Design Group, Inc.