Heat stress represents an escalating occupational hazard for construction workers, with climate change intensifying extreme temperatures while urban heat island effects and machinery-generated radiant heat create additional thermal burdens. Modern technological solutions such as wearable physiological monitors, networked environmental sensors, and artificial intelligence analytics now enable real-time identification of heat exposure risks coupled with individualized protective measures. These integrated systems support proactive worksite safety through continuous tracking of core biometric indicators, hydration status, and localized thermal conditions, complemented by predictive algorithms that optimize work-rest regimens to prevent heat-related health incidents. Parallel investment in comprehensive worker education programs remains equally vital, ensuring proper recognition of heat illness symptoms and implementation of adaptive behavioral strategies. The development and deployment of such evidence-based countermeasures demand sustained collaboration across industry stakeholders, research institutions, and regulatory bodies to establish practical, scalable protections that preserve both workforce health and operational efficiency. This multidimensional approach demonstrates how concurrent advances in sensor technology, data science, and occupational training collectively contribute to building more thermally resilient construction workplaces.