Business Details
50+ Years
experience
Emergency
services
Trusted Construction Contractors in Washington, D.C.
Heffron Company has established itself as a premier commercial mechanical and plumbing contractor through 103+ years of dedicated service to the Washington Metropolitan region and East Coast. Founded in 1922 as a small heating and plumbing business, the company has grown into an industry leader while maintaining core values of respect, dignity, and loyalty across four generations. Our expertise spans mechanical and plumbing systems installation for commercial offices, biotechnology facilities, power plants, and government projects, with a proven track record of completing work on time, on budget, and with exceptional attention to detail. We specialize in building long-term relationships with clients including major utility companies, general contractors, architects, and property managers. Our multidisciplinary team combines state-of-the-art technical capabilities with entrepreneurial instincts to deliver innovative solutions for complex projects. With a focus on safety, quality, and client partnership, we continue serving longstanding clients like PEPCO, Georgetown University, and the U.S.Chamber of Commerce. Our history of excellence is evidenced by awards such as the Washington Building Congress Craftsmanship Award for our work at the U.S. Department of State Headquarters. Through continuous investment in technology and personnel, we maintain our position at the forefront of mechanical contracting while honoring the traditions established by founder Joseph Heffron Company. Our coordination department utilizes BIM processes to ensure conflict-free construction, and our service department provides comprehensive maintenance solutions for critical mechanical systems. This combination of heritage, technical expertise, and client-centric approach has made Heffron Company a trusted partner for over a century.
Services
HVAC Installation
Plumbing Systems
Biotechnology Construction
Design-Build Projects
Preventative Maintenance
Details
- Year established: 1922
Highlights and features
- We offer 103+ years of specialized expertise in mechanical contracting for commercial and biotech facilities
- Our team includes 20 degreed professionals and factory-trained technicians
- We maintain a 400,000+ person-hour annual safety record with dedicated safety protocols
- Our BIM coordination department prevents construction conflicts using 3D modeling technology
- We provide comprehensive service solutions including preventative maintenance contracts for critical systems
What people say
Exceptional quality
Professional team
Reliable partners
Technical expertise
Long-term relationships
Services
HVAC Installation
Heffron Company provides comprehensive HVAC installation services for commercial and industrial facilities. Our team specializes in both new construction and retrofit projects, delivering energy-efficient systems that meet exacting specifications. With expertise in centrifugal chillers, cooling towers, and variable-air-volume systems, we ensure optimal climate control for office buildings, research facilities, and government installations across the Washington Metropolitan area.
Biotechnology Construction
We deliver specialized mechanical contracting services for biotechnology facilities along Maryland's I-270 corridor. Our experience includes GMP manufacturing facilities, clean room labs, and research centers requiring precise environmental controls. We've completed projects for industry leaders like MedImmune and Human Genome Sciences, implementing systems that meet stringent regulatory requirements while maintaining operational efficiency.
Plumbing Systems
Heffron Company's plumbing expertise spans commercial, industrial, and government projects. We install and maintain complex plumbing systems for power plants, dairy processing facilities, and institutional buildings. Our capabilities include hot water/steam boilers, condensate return systems, and specialized piping for biopharmaceutical applications, ensuring reliable performance in critical operations environments.
Design-Build Projects
Our design-build team collaborates with architects and engineers to deliver integrated mechanical solutions. Using the latest BIM technology, we coordinate HVAC and plumbing systems during pre-construction planning to optimize efficiency and reduce costs. This approach has successfully delivered projects like the George Mason University Life Sciences Center while maintaining strict budget and timeline parameters.
Preventative Maintenance
We offer comprehensive preventative maintenance programs for commercial HVAC and plumbing systems. Our service contracts cover equipment ranging from rooftop units to thermal ice storage systems, with 24/7 emergency support available. With decades of experience maintaining systems for long-term clients like Georgetown University, we ensure optimal system performance and longevity through proactive care.
People
George Dunn Jr.
Chief Executive Officer
Third-generation leader with mechanical engineering background from Georgia Tech, Harvard S.C.M.P. graduate, transformed Heffron Company into regional industry leader while maintaining family values since 1922.
Colin Dunn
President
Fourth-generation executive with MBA from Notre Dame, focused on client relationships and continuing family legacy, joined full-time in 2010 after summer field experience during high school.
Mike Hunke
Chief Financial Officer
Certified Public Accountant with construction industry finance expertise, brings 25+ years of senior leadership experience from KDB Mechanical and Lafarge North America to Heffron Company's financial operations.
Steven Johnson
Senior Vice President of Construction
25-year mechanical contracting veteran with progression from apprentice to executive, manages projects from $2M to $70M, combines field experience with strategic management training from industry programs.
Jonathan Boyd
Senior Vice President of Service
20-year HVAC industry leader with union apprenticeship background, oversees 50+ service team members, specializes in biotech and pharmaceutical facility maintenance while upholding family business values.
Questions
What types of construction projects does Heffron Company specialize in?
Heffron Company specializes in commercial mechanical and plumbing systems for office buildings, biotechnology facilities, government projects, and power generating stations across the Washington Metropolitan region and East Coast.
How long has Heffron Company been in business?
Heffron Company Company has provided mechanical contracting services since 1922, making us one of Washington D.C.'s oldest continuously operating family-owned construction firms with 103+ years of experience.
What service areas does Heffron Company cover?
While based in Kensington, MD, Heffron Company serves the entire Washington Metropolitan region including D.C., Northern Virginia, and Maryland, with project experience extending along the East Coast.
Does Heffron Company offer maintenance services for existing systems?
Yes, our service department provides preventative maintenance contracts and emergency repair services for HVAC, plumbing, and mechanical systems in commercial and industrial facilities.
What safety certifications does Heffron Company maintain?
While specific certifications aren't listed, Heffron Company emphasizes safety with annual 400,000+ person-hour safety programs and a corporate culture prioritizing worker and jobsite safety compliance.
Can Heffron Company handle complex biotechnology facility construction?
Yes, we've specialized in biotech projects since the 1980s, completing facilities for Human Genome Sciences, MedImmune, and other industry leaders with specialized mechanical systems requirements.
