Commercial Boiler and Water Heater Services
GL Plumbing Service is your trusted source for commercial and industrial boiler and water heater services throughout Los Angeles, the San Gabriel Valley, Orange County, and nearby cities. As a licensed mechanical and plumbing contractor with highly trained journeymen and decades of experience, we handle everything from complex boiler installations and SCAQMD-compliant low NOx burner retrofits to large-capacity water heater repairs and heater/furnace diagnostics. Our clients include hospitals, manufacturing plants, government buildings, high-rise apartment complexes, hotels, schools, and restaurants across Commerce, Beverly Hills, Glendale, Arcadia, Yorba Linda, Brea, Placentia, and beyond. We’re known for planning every job with precision, communicating clearly, and minimizing disruptions to our clients’ day-to-day operations. No job is too large or too technical—we are equipped with the training, tools, and certifications to handle high-demand mechanical systems that other contractors may turn away.
Boiler Installations, Repairs, Preventative Maintenance & Low NOx Retrofits
We provide full-service boiler support, including system design, code-compliant installations, annual inspections, and 24/7 emergency repairs. Our team works on steam and hot water boilers, commercial-grade storage tanks, and high-efficiency low NOx burners used in schools, public facilities, and food processing plants. With our A, B, and C-36 licenses, we are authorized to work on infrastructure-level systems, including tie-ins to public utility lines. We also offer SCAQMD (South Coast Air Quality Management District) low NOx burner retrofits to help facilities comply with regional emissions standards—these retrofits not only keep your facility in compliance but also improve energy efficiency and long-term reliability. In addition to installations and repairs, we provide ongoing preventative maintenance to reduce the likelihood of equipment failure, enhance safety, and extend system life. Every job is handled by a certified journeyman who has completed a 5-year apprenticeship and receives 20+ hours of safety and technical training annually.
