Top-Rated Commercial Plumbing & HVAC Contractors in Northern Virginia

Design-build installs and upgrades for schools, institutions, and commercial projects—on spec, on schedule, and built to last across Virginia. 

What We Do

Commercial Plumbing & HVAC Contractors | Elias & Son Plumbing, Manassas VA

Commercial Plumbing

Installation and upgrades of piping, water heaters, boilers, pumps, restroom fixtures, and full water distribution systems built to spec for reliable performance in commercial buildings

Manassas

Commercial HVAC

Design and installation of RTUs, AHUs, boilers, chillers, and ductwork that deliver efficient, long‑lasting climate control for new builds and renovations.

Our Expertise

Collaborating with general contractors, engineers, and building managers to deliver reliable, project‑ready mechanical systems for new construction and renovations.​

Commercial Plumbing Systems

From complex piping networks to water heaters, boilers, and fixtures, we ensure all plumbing systems are installed and maintained to the highest standards.

Commercial HVAC Systems

We specialize in the installation, maintenance, and upgrades of rooftop units (RTUs), air handling units (AHUs), boilers, chillers, and complete climate control systems.

Project-Based Contract Work

We work closely with general contractors, engineers, and building managers on new construction, renovations, and large-scale projects.

Attention to Detail & Professionalism

Every project is completed with precision, safety, and dedication to client satisfaction.

Portfolio

About Elias and Son Plumbing

Commercial Plumbing & HVAC Services Manassas VA | Elias & Son Plumbing

Trusted By Industry Leaders

Founded by Elias Pimentel, Elias & Son Plumbing began with a simple commitment: deliver commercial plumbing and HVAC work that’s precise, reliable, and built for long‑term performance. That founding vision still guides every project today as a skilled, safety‑focused team partners with general contractors, engineers, and building managers across Northern Virginia. From design‑build installs to system upgrades, each job is completed to spec, on schedule, and with the professionalism clients trust for schools, institutions, and commercial facilities—reflecting a family legacy of quality, accountability, and client satisfaction. 

Serving DMV
Since 1988

2000+

Service Calls Annually

100+

Projects Per Year

250+

Active Customers

Locations We Serve

Elias & Son Plumbing delivers commercial plumbing and HVAC services across Northern Virginia, supporting contractors, schools, institutions, and commercial facilities with code‑compliant, on‑schedule mechanical systems.

Frequently Asked Questions

What services do you provide for commercial projects?

Comprehensive design‑build, installation, and upgrades for plumbing and HVAC systems, including piping, water heaters, boilers, pumps, fixtures, RTUs, AHUs, chillers, and ductwork for new construction and renovations.

Yes—collaborative contract work with GCs, engineers, and building managers is core to project delivery, ensuring systems are installed to spec, safely, and on schedule.

Schools, institutions, and commercial facilities across Northern Virginia, with projects across broader Virginia by request depending on scope and timelines.

A 40‑mile radius from Manassas typically includes Fairfax, Arlington, Alexandria, Ashburn, Leesburg, Woodbridge, Tysons, and surrounding NOVA communities.

Yes—targeted upgrades and full replacements to improve efficiency, reliability, and lifecycle value for commercial plumbing and HVAC systems.​

 

Experienced, safety‑focused crews follow specifications, quality standards, and best practices for commercial systems, prioritizing durability and long‑term performance. 

Contact Us for Your HVAC &
Plumbing Services

Safety‑focused crews, spec‑driven installs, and durable systems for schools, institutions, and commercial facilities.