W. L. Gary Company Service

Plumbing and HVAC Services in Washington, DC

In need of plumbing, heating, air conditioning, or commercial refrigeration services? W. L. Gary Company offers an extensive range of plumbing and HVACR services.

Whether you are in need of plumbing, heating, or cooling services, the W. L. Gary service team has you covered.  We have been serving customers in Washington, DC, Maryland, and Northern Virginia with plumbing and HVAC solutions for over 100 years.

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Plumbing and HVAC Maintenance Agreements

HVAC and Plumbing equipment constitutes a major part of the investment you have in your building.  The money spent on energy to run this equipment is typically one of the largest cost centers of a business.  With proper planned maintenance you can not only extend the life of that equipment, but you can also save energy, which saves money, and helps reduce costly unscheduled down time.  Learn about the Maintenance Contracts we offer.

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Plumbing and HVAC Energy Efficiency Services

HVAC and water efficiency play a crucial role in a building’s overall efficiency.  W. L. Gary Company’s service team can help reduce unnecessary energy and water usage and, consequently, increase net operating income.  Explore ways we focus on Energy Efficiency.

Contact W. L. Gary Company today – 202.723.0676

W. L. Gary Plumbing and HVAC Service Team

Gary Company service fleet and team

Our qualified team of plumbers and steamfitters can diagnose and repair any issue, no matter the size. From snaking a toilet to video inspecting sewer lines and from changing filters to retrofitting entire heating and air conditioning systems, you can rely on us to identify and solve the mechanical situations in your building.

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Helpful Plumbing and HVAC
Tips and Insights 

 We’d like to share industry news and tips and tricks for HVAC and plumbing maintenance and efficiency with you. Explore our blog

Plumbing and HVAC Services
Success Stories

Case Studies of Plumbing and HVAC Servics Our clients seek our assistance because they know we will find a solution for the challenge they are facing. Learn how we have helped our customers.


Spring Cleanup

Clean all leaves, grass, and other debris away from outdoor AC unit in order to promote proper airflow and maintain efficiency.  This is critical to keep an eye on during the growing season to prevent grass and weeds from blocking air flow.

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Sealing off workspace

A Permanent Solution During Operational Hours

Key Characteristics: Problem drains and sewer line; Providing solution while not disrupting business; Video inspection Challenge: A local hotel was having problems with drains and a sewer line in their kitchen.  Although another company had been providing maintenance for the drains, the hotel needed a permanent solution without loss of business. Solution: W. L. Gary…

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