Our Services
Commercial Plumbing
Elias & Son Plumbing delivers commercial plumbing design‑build, installation, and upgrades for schools, institutions, and commercial facilities across Northern Virginia, ensuring code‑compliant systems built to spec and delivered on schedule.
What we install
Piping systems and water distribution for multi‑story buildings
Water heaters, boilers, pumps, PRVs, and backflow devices
Restroom fixtures, carriers, interceptors, and specialty fixtures
Tenant‑fit outs, riser replacements, and core/shell buildouts
Project types
New construction, renovations, and phased upgrades
Plan‑and‑spec or design‑assist coordination with GCs and engineers
Submittals, shop drawings, inspections, and commissioning to closeout
What we install
Reliable plumbing reduces downtime, improves safety and compliance, and extends lifecycle value for NOVA commercial properties.
Commercial HVAC
Complete commercial HVAC design‑build, installation, and replacements for efficient, long‑lasting climate control in NOVA facilities, aligned with local code and project milestones.
What we install
Rooftop units (RTUs) and air handling units (AHUs)
Boilers and chillers with pumps, piping, and controls
Ductwork, VAVs, and ventilation systems for code‑required air changes
System change‑outs and efficiency upgrades for older equipment
Project types
New construction, retrofit, and occupied renovations
Equipment right‑sizing, duct design coordination, and TAB support
Start‑up, controls integration, and turnover documentation
What we install
Properly sized, spec‑accurate HVAC improves comfort, uptime, and energy performance for schools, institutions, and commercial buildings in Northern Virginia.
Why Work With Us

Experienced Team
Skilled technicians who deliver professional, high-quality work.

Project-Based Experience
Specializing in commercial contracts and collaborating closely with GCs, engineers, and building managers.

Commitment to Excellence
Every project reflects precision, safety, and client satisfaction.

Family Legacy & Values
Our history of family, vision, and professionalism guides everything we do.
Frequently Asked Questions
What commercial services do you provide?
Design‑build, installation, and upgrades for commercial plumbing and HVAC, including piping, water heaters, boilers, pumps, fixtures, RTUs, AHUs, chillers, and ductwork for new construction and renovations in Northern Virginia.
Do you work with general contractors and engineers?
Yes—project‑based contract work is core to delivery, coordinating with GCs, engineers, and building managers to install systems to spec, safely, and on schedule.
Which industries do you serve?
Schools, institutions, and commercial facilities across Northern Virginia seeking durable, code‑compliant mechanical systems installed by experienced crews.
What is included in Commercial Plumbing?
Spec‑accurate installation and upgrades for piping networks, water distribution, water heaters, boilers, pumps, and restroom fixtures to ensure reliability and compliance.
What is included in Commercial HVAC?
Design and installation of RTUs, AHUs, boilers, chillers, and ductwork, plus replacements to improve efficiency, comfort, and lifecycle performance.
Can you handle phased renovations and occupied buildings?
Yes—teams sequence work, coordinate inspections, and manage turnovers to keep operations running while meeting project milestones.
Who should contact you?
General contractors, engineers, building managers, and facility teams seeking commercial plumbing and HVAC partners in Northern Virginia.
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.
- Manassas
- Gainesville
- Haymarket
- Nokesville
- Centreville
- Chantilly
- Fairfax
- Burke
- Springfield
- Woodbridge
- Dumfries
- Triangle
- Quantico
- Stafford
- Herndon
- Reston
- Vienna
- Oakton
- Prince William County
- Fairfax County
- Arlington County
- City of Alexandria
- City of Fairfax
- Loudoun County
- Stafford County
Contact Us for Your HVAC &
Plumbing Services
Safety‑focused crews, spec‑driven installs, and durable systems for schools, institutions, and commercial facilities.