Which material has the greatest thermal storage capacity?

Brick is recognized for its high thermal mass, meaning it can absorb, store, and release heat effectively. This thermal storage capacity is attributed to its density and specific heat capacity. When exposed to heat, brick can absorb a significant amount of thermal energy, which then can be released slowly over time, helping to regulate temperatures in buildings and enhance energy efficiency.

While vinyl, wood, and glass have their own distinct properties, they do not match brick's ability to store thermal energy effectively. Vinyl is lightweight and has a low thermal mass, making it unsuitable for significant thermal storage. Wood, while it does have some thermal capacity, pales in comparison to brick, particularly under similar conditions. Glass primarily serves as a barrier for light and heat transfer rather than a medium for thermal storage. Thus, brick stands out for its capacity to moderate temperature fluctuations and contribute to energy efficiency in HVAC systems.