Domco Mechanical

Commercial HVAC, Heating & Plumbing in the DMV

35+ Years of Experience | Commercial & Industrial | Serving the DMV

Contact Us

Established Since 1996

More than three decades of experience working on mechanical projects throughout the Washington metropolitan area.

Commercial & Industrial Focus

Our business is built around the requirements of commercial construction, facilities, and mechanical systems.

DMV Coverage

Based in Laurel, Maryland and strategically positioned to serve projects throughout Maryland, Washington, D.C., and Northern Virginia.

logo
Commercial Plumbing
Established Since 1996

Why Work With Domco Mechanical?

Three decades of experience working on mechanical projects throughout the Washington metropolitan area.

Some of our Solutions in the DMV

Our Services

Domco Mechanical provides comprehensive HVAC, plumbing, and mechanical contracting solutions for commercial and industrial properties throughout Maryland, Washington, D.C., and Northern Virginia. From new construction and tenant build-outs to equipment replacement, system upgrades, renovations, and ongoing service, our experienced team is equipped to handle demanding mechanical projects of all sizes. We work closely with general contractors, property managers, building owners, and facility professionals to deliver reliable solutions that meet the specific requirements of each property and project.

service-image

Commercial HVAC

Design-assist, installation, and replacement of heating, cooling, and ventilation systems for offices, retail, schools, and multifamily buildings.

Read More
service-image

Roof Top Units

New installs, change-outs, and crane-lift coordination with minimal disruption to occupied buildings.

Read More
service-image

Commercial Plumbing

Domestic water, sanitary, and storm piping for new construction and tenant fit-outs.

Read More
Our Solutions

Industries 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.

HVAC Specialist

We are CoolAir, specialize in providing top-notch heating, ventilation, and air conditioning services tailored to your unique needs.

Jeffery Mussman
Founder & CEO
Our Specialize

From Chilling Challenges to Heating Solutions

Welcome to CoolAir, your trusted partner for all your HVAC needs. With years of industry experience and a commitment to excellence, we specialize in providing top-quality heating, ventilation, and air conditioning services tailored to your unique requirements. From installation and repair to maintenance and upgrades, our skilled technicians are dedicated to delivering reliable solutions that ensure your comfort and satisfaction.

850 +
Projects Completed
100 %
Customer Satisfication
Do you have

Any Questions

It's recommended to schedule HVAC maintenance at least once a year, ideally before the start of the heating or cooling season. Regular maintenance helps improve efficiency, prevent breakdowns, and prolong the lifespan of your system.
HVAC filters should typically be replaced every 1 to 3 months, depending on factors such as filter type, indoor air quality, and usage. Clogged or dirty filters can restrict airflow and reduce system efficiency.
Yes, we use only high-quality, genuine parts to ensure the best performance and longevity of your device after the repair.
Absolutely. All our repairs come with a warranty to give you peace of mind. The specific warranty duration may vary depending on the type of repair and the device.
You can get a quote by visiting our website or contacting our customer service. We provide transparent pricing with no hidden fees.
Latest Post

Stay update with us

Qui culpa qui consequat officia cillum quis irure aliquip ut dolore sit eu culpa ut irure nisi occaecat dolore adipisicing do pariatur.

Hello world!

Welcome to WordPress. This is your first post. Edit or delete it, then start writing!

Read More

The Ultimate AC Servicing Checklist for a Cool Home

Quis sunt quis do laboris eiusmod in sint dolore sit pariatur consequat commodo aliqua nulla ad dolor aliquip incididunt voluptate est aliquip adipisicing...

Read More

Keep Your AC in Top Shape: Expert Servicing Advice

Quis sunt quis do laboris eiusmod in sint dolore sit pariatur consequat commodo aliqua nulla ad dolor aliquip incididunt voluptate est aliquip adipisicing...

Read More
24 Hours & Emergencies

Brands we working with