Commercial Heating, Cooling & Ventilation Solutions
Domco Mechanical provides comprehensive commercial HVAC services for businesses, commercial properties, and industrial facilities throughout Maryland, Washington, D.C., and Northern Virginia.
Since 1998, our team has worked with commercial heating, cooling, and ventilation systems for new construction, renovations, tenant build-outs, equipment replacements, and existing facilities. We understand that reliable HVAC is essential to maintaining comfortable indoor environments, protecting operations, and keeping commercial properties functioning efficiently.
Whether your project requires a complete HVAC installation, rooftop unit replacement, system modification, or heating and cooling upgrade, Domco Mechanical brings decades of commercial mechanical experience to the job.








Complete Commercial HVAC Solutions
Commercial HVAC systems must meet the unique requirements of the building, its occupants, and its daily operations. Domco Mechanical provides HVAC solutions for projects ranging from individual equipment replacements to complete mechanical installations.
Our team works with general contractors, building owners, property managers, developers, and facility professionals to coordinate HVAC work with the overall needs of the property and project.
Commercial HVAC Installation
Professional installation of heating, cooling, ventilation, ductwork, and related HVAC equipment for commercial properties, renovations, build-outs, and new construction.
Commercial Cooling
Cooling solutions designed for commercial environments, including equipment installation, replacement, system modifications, and upgrades to help maintain reliable indoor temperatures.
HVAC Equipment Replacement
Replacement and upgrading of aging or inefficient commercial HVAC equipment with systems appropriate for the building's current operational requirements.
Ventilation & Ductwork
Installation and modification of commercial ventilation and duct systems designed to properly distribute conditioned air and support the ventilation requirements of the facility.
Commercial Heating
Heating system installation, replacement, and upgrades for commercial and industrial properties, including rooftop heating equipment, furnaces, boilers, and associated mechanical systems.
Rooftop Units (RTU)
Installation, replacement, service, and upgrades for commercial rooftop HVAC units used to provide heating, cooling, and ventilation for a wide range of commercial buildings.

Commercial Properties We Serve
Restaurants & Food Service
HVAC and ventilation solutions designed around the demanding operating conditions of restaurants, commercial kitchens, and food service facilities.
Hotels & Hospitality
Heating, cooling, and ventilation systems that help maintain comfortable environments for guests, employees, and common areas.
Offices & Commercial Buildings
Commercial HVAC solutions for office buildings, tenant spaces, multi-use properties, and other professional environments.
Retail & Tenant Spaces
HVAC installation and modifications for retail stores, shopping environments, tenant improvements, and commercial build-outs.
Industrial Facilities
Heating, cooling, ventilation, and mechanical solutions designed around the operational requirements of industrial facilities.
New Construction
Complete commercial HVAC installation and coordination for new construction projects throughout the DMV.
- Let's Discuss Your Commercial HVAC Project
Whether you need to replace rooftop equipment, upgrade an existing heating and cooling system, complete a commercial renovation, or need an experienced HVAC contractor for new construction, Domco Mechanical is ready to discuss your project.
