[INQ. NO. 2607M01] TL Engineering is one of the few purely specialized cleanroom engineering firms in Korea, established by key members of the Korean branch of M+W Zander, the world’s leading cleanroom engineering company based in Germany.
TL Engineering is expanding its business scope in the fields of HVAC and energy-saving engineering based on its ‘end-to-end’ total-solution capabilities, which encompass the entire process from cleanroom design to construction and maintenance.
TL Engineering’s Heat Saver is a wastewater heat-recovery system that captures and reuses thermal energy from discharged wastewater in buildings and industrial facilities. By recovering heat that would otherwise be lost, it enables significant energy savings and reduces carbon emissions.
The system is designed without the need for a pre-filtration unit, thereby minimizing the needs for installation space and maintenance requirements. Its self-cleaning mechanism effectively prevents sludge accumulation, thus ensuring stable long-term operation. In addition, the dual heat-recovery structure simultaneously utilizes both hot- and cold-water lines, thereby maximizing overall energy efficiency.

Heat Saver has been verified through KOLAS-certified testing, achieving approximately 80% heat-recovery efficiency, and over 30% energy savings. It has been successfully applied in various sites, including sports facilities and hospitals, thus demonstrating both performance and economic feasibility.
“Our company is comprised of professional engineers with over a decade of experience specializing in cleanroom design and construction in both the electronics and pharmaceutical sectors, and we possess both expertise and competitiveness. Based on the deep trust we have built over the years, if you entrust us with a task, all our employees will dedicate themselves wholeheartedly to delivering satisfactory results. Furthermore, we are striving to become Korea’s leading specialized HVAC engineering company,” remarked the company’s CEO.

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