Stephen Lee, professor in Carnegie Mellon’s School of Architecture, explains how to determine if installing solar panels on the roof of your home makes economic sense.

Can heat from the ground reduce home energy costs? Stephen Lee, professor in Carnegie Mellon’s School of Architecture, explains how a ground-source heating pump helps regulate the temperature indoors.

Stephen Lee, professor in Carnegie Mellon’s School of Architecture, explains how windows can affect our home energy use.

Curious how to make a big impact on your home’s energy use? Stephen Lee, professor in Carnegie Mellon’s School of Architecture, explains how home insulation makes all the difference.

Stephen Lee, professor in Carnegie Mellon’s School of Architecture, explains how the energy crisis of 1973 affected energy consumption in the United States.