Can concrete outdoor seating incorporate phase-change materials for temperature regulation?

Concrete outdoor seating is a staple in urban landscapes due to its durability and low maintenance. However, its thermal properties often make it uncomfortable in extreme weather—too hot in summer and too cold in winter. Integrating phase-change materials (PCMs) into concrete could revolutionize outdoor furniture by regulating temperature passively.

PCMs absorb or release heat as they change states (solid to liquid and vice versa), stabilizing surface temperatures. When embedded in concrete seating, they can mitigate heat absorption during the day and release warmth at night, enhancing comfort year-round. Research shows that PCM-enhanced concrete can reduce surface temperatures by up to 10°C in hot climates, making it a promising solution for sustainable urban design.

Challenges include ensuring material compatibility and cost-effectiveness, but advancements in microencapsulation techniques are addressing these hurdles. As cities prioritize climate-resilient infrastructure, PCM-infused concrete seating could become a smart, eco-friendly choice for public spaces.