Which type of masonry unit is particularly useful for creating energy-efficient buildings?

Lightweight CMUs, or Concrete Masonry Units, are particularly useful for creating energy-efficient buildings due to their enhanced thermal performance and lower density. These units are typically made with lighter aggregates, which not only reduces their overall weight but also improves their insulation properties. The lower density of lightweight CMUs contributes to lower thermal conductivity, thereby minimizing heat loss during winter and reducing heat gain during summer. This results in energy savings for heating and cooling, making lightweight CMUs an excellent choice for sustainable building practices.

In addition to thermal efficiency, lightweight CMUs can also improve the overall performance of a building by reducing the load on structural systems, which can lead to cost savings in foundation design and construction. Their effective use in energy-efficient designs aligns well with modern building codes and sustainability requirements.