Lochinvar Water Heater Age by Serial Number

Lochinvar water heaters and boilers represent the premium standard in commercial and high-performance residential water heating, with a heritage extending back to 1939 when Lochinvar Corporation was established in Nashville, Tennessee. Now a division of A.O. Smith Corporation, Lochinvar maintains its identity as a specialist in high-efficiency equipment designed for demanding applications. The company earned industry recognition for introducing North America's first fully modulating condensing boiler and continues to lead in efficiency innovation. Lochinvar products are specified by mechanical engineers for commercial buildings, institutions, and luxury residential projects where performance, efficiency, and reliability are paramount. Their ENERGY STAR certified portfolio and focus on sustainable technologies align with modern green building standards.

Lochinvar manufactures an extensive range of products including high-efficiency commercial gas water heaters, condensing tankless systems, pool and spa heaters, boilers, and volume water heaters. The KNIGHT series commercial boilers achieve up to 95% AFUE efficiency with fully modulating burners and stainless steel fire-tube heat exchangers. The ARMOR residential condensing water heater delivers 96% thermal efficiency in a compact footprint suitable for mechanical rooms and outdoor installations. Copper-Fin tank water heaters feature finned tube heat exchangers that provide exceptional recovery rates for high-demand commercial applications like restaurants and hotels. The NOBLE combi-boiler combines space heating and domestic hot water in a single efficient appliance. Advanced controls and building management system integration capabilities make Lochinvar ideal for sophisticated installations.

Lochinvar supports its commercial customer base with exceptional technical resources including in-house engineering support, CAD drawings, specification sheets, and submittal documents for construction projects. The company offers comprehensive training programs for contractors and service technicians through regional centers and online platforms. Warranty coverage reflects commercial-grade construction with terms varying by product line and application. Lochinvar maintains an extensive parts inventory and technical support staff who can assist with commissioning, troubleshooting, and optimization. The company's serial number systems have evolved through nine distinct formats since 1965, each tailored to specific product families, allowing trained technicians to accurately determine manufacturing dates and specifications for proper service and maintenance planning.