Business Details
Emergency
services
Trusted HVAC and Plumbing Solutions Since 1895
Since 1895, W. L. Gary has been a trusted provider of mechanical solutions in the Washington, D.C. metropolitan area. Our team of certified professionals brings over 125 years of combined experience in delivering HVAC, plumbing, and mission-critical services tailored to commercial and industrial clients. We prioritize safety, innovation, and community engagement, ensuring every project meets the highest standards of quality and reliability. Our commitment to proactive maintenance and energy-efficient solutions helps clients reduce costs and extend equipment lifespans.As a licensed and insured contractor in DC, Maryland, and Virginia, we offer 24/7 emergency services to minimize downtime. Our partnerships with leading manufacturers and adherence to rigorous safety protocols underscore our dedication to excellence. We believe in transparent communication, ethical practices, and fostering a culture where both employees and clients thrive. With a legacy built on trust and technical expertise, we continue to evolve while staying true to our founding principles of integrity and service.
Services
HVAC Service
Plumbing Service
Hydro-Jetting
Backflow Prevention
VRF/VRV Systems
Mission Critical
Maintenance Agreements
Energy Services
Emergency Repairs
Commercial Refrigeration
Highlights and features
- We offer 125 years of specialized expertise in HVAC and plumbing systems.
- Our team provides 24/7 emergency service with rapid response times.
- Certified technicians trained by leading manufacturers like Carrier and Daikin.
- Customized energy-efficient solutions to reduce operational costs.
- Proven safety program with weekly toolbox meetings and job site evaluations.
Associations and certifications
- MSCA Green Star Contractor
Services
HVAC Service
Our HVAC service ensures optimal performance of commercial heating, ventilation, and air conditioning systems through maintenance, repairs, and installations. We specialize in energy-efficient solutions for diverse equipment, including chillers, boilers, and VRF systems. With factory-trained technicians and 24/7 emergency support, we minimize downtime while enhancing tenant comfort and operational efficiency.
Plumbing Service
We address complex plumbing challenges with rapid response and advanced diagnostics, including hydro-jetting and video inspections. Our services cover backflow prevention, drain cleaning, and system upgrades for commercial facilities. Certified Journeymen and Master Mechanics ensure code compliance and long-term reliability, supported by 24-hour emergency availability.
VRF/VRV Systems
We design, install, and maintain energy-efficient VRF/VRV systems tailored to modern buildings' heating and cooling needs. Partnering with Daikin and Mitsubishi, our certified technicians optimize system performance for simultaneous heating and cooling, reducing energy consumption. This technology integrates seamlessly with existing infrastructure for enhanced sustainability.
Mission Critical
Our mission-critical services ensure uninterrupted operation of sensitive facilities through 24/7 staffing, UPS systems, and data center monitoring. We provide tailored solutions for HVAC, plumbing, and fire suppression systems in environments requiring zero downtime, backed by proactive maintenance and emergency response protocols.
Hydro-Jetting
Hydro-jetting removes blockages and buildup in sewer lines using high-pressure water, restoring flow capacity without damaging pipes. Our portable and tow-behind equipment handles complex systems, including vertical stacks and suspended pipes. We recommend periodic maintenance to prevent costly rehabilitation and ensure compliance with sanitation standards.
Questions
Do you offer 24/7 emergency HVAC and plumbing services?
Yes, our team provides round-the-clock emergency support to address urgent mechanical issues and minimize operational disruptions.
Which areas do you serve?
We operate in Washington, D.C., Maryland, and Northern Virginia, with a fabrication shop and field offices strategically located for rapid response.
Are your technicians certified?
Our Journeymen, Master Mechanics, and specialists hold certifications from manufacturers like Carrier and Daikin, ensuring expertise in modern systems.
What HVAC systems do you support?
We service all major HVAC equipment, including VRF/VRV, chillers, boilers, CRAC units, and rooftop systems, with planned maintenance agreements available.
How can I schedule a service call?
Contact us at 202-723-0676 or via email to request immediate assistance or schedule preventive maintenance at your convenience.
Do you provide energy efficiency solutions?
Yes, our energy services identify savings opportunities through system audits, retrofits, and VRF/VRV installations to reduce utility costs.
