National Thermal Engineer Day This day is observed every year on 24 July to show the importance of advancing the thermal engineering industry and to provide the electronics industry with innovative, high-quality, and cost-effective thermal management and its packaging solutions. As specially trained professionals, thermal engineers develop solutions to complex systems. At the same time, their focus may be on the mechanical, but thermal engineers also coordinate with other specialties. On this occasion let's pay tribute to engineers for their ultimate contributions on various themes .