Services
Complete Mechanical Solutions for Commercial & Industrial Properties
Domco Mechanical provides comprehensive HVAC, plumbing, and mechanical contracting services for commercial and industrial properties throughout Maryland, Washington, D.C., and Northern Virginia.
Since 1998, we have supported general contractors, property owners, facility managers, developers, and businesses with mechanical solutions for new construction, renovations, tenant improvements, equipment replacements, system upgrades, and existing commercial facilities.
From individual system improvements to complete mechanical scopes, our team brings decades of experience to every project.

Commercial HVAC
Domco Mechanical provides commercial heating, ventilation, and air conditioning solutions designed around the operational requirements of each building. We work with commercial HVAC systems for new construction, renovations, equipment replacements, system modifications, and existing facilities. Our commercial HVAC capabilities include rooftop equipment, heating and cooling systems, ventilation, ductwork, equipment replacement, system modifications, and mechanical installations.
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Commercial Plumbing
From new installations to modifications of existing plumbing systems, Domco Mechanical provides commercial plumbing solutions for a wide variety of properties and construction projects. Our team works with general contractors, property professionals, and businesses to coordinate plumbing work with the other mechanical systems and trades involved in the project.
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Roof Top Units Services
Domco Mechanical provides installation, replacement, service, and upgrades for commercial rooftop HVAC units. RTUs offer an efficient solution for heating, cooling, and ventilating commercial buildings while keeping mechanical equipment consolidated on the rooftop. Our team works with rooftop systems for offices, retail properties, restaurants, hospitality facilities, industrial buildings, and other commercial environments.
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Tenant Build-Outs
Renovating an existing building often requires mechanical systems to be relocated, modified, expanded, or replaced. Domco Mechanical provides HVAC and plumbing services for commercial renovations, tenant improvements, restaurant build-outs, office renovations, retail spaces, and other commercial projects. We coordinate the mechanical scope with the requirements of the new space while considering existing equipment, piping, ductwork, plumbing, and building infrastructure.
Read MoreIndustries We Serve
Domco Mechanical has the experience to meet the unique HVAC, plumbing, and mechanical requirements of a wide range of commercial and industrial environments. From restaurants and hospitality properties to offices and specialized facilities, we understand that every building has different operational demands. Our team works with contractors, owners, and facility professionals to develop practical solutions designed around the needs of each project.
Restaurants & Food Service
HVAC, ventilation, plumbing, and mechanical solutions designed for the demanding requirements of restaurants, commercial kitchens, and food service facilities.
Hotels & Hospitality
Reliable heating, cooling, plumbing, and mechanical systems that help maintain guest comfort and keep hospitality properties operating efficiently.
Office & Commercial
Commercial HVAC and plumbing solutions for offices, tenant spaces, and commercial buildings, from system upgrades to complete mechanical installations.
Retail
Efficient HVAC, plumbing, and mechanical solutions for retail stores, shopping centers, and tenant build-outs designed around each space’s operational needs.
Industrial Facilities
Heavy-duty HVAC, plumbing, ventilation, and mechanical solutions engineered to support demanding industrial and specialized facility environments.
New Construction
Complete mechanical contracting for new commercial construction, including HVAC, plumbing, piping, ventilation, and coordinated system installations from planning through completion.





Why Choose Domco Mechanical?
Since 1998, Domco Mechanical has focused on providing dependable mechanical solutions for commercial and industrial projects throughout the DMV.
Our experience allows us to understand not only the mechanical systems themselves, but also the coordination required to successfully complete commercial construction and renovation projects.
Whether working directly with a building owner or as part of a larger construction team, we focus on quality workmanship, communication, coordination, and practical solutions designed for the needs of the project.
