Historic preservation
Older homes can benefit from energy efficient remodeling techniques.
In this video: A preservation expert shares how to restore an older home economically and energy efficiently.
More from this category
Trombe wall
Using the sun's stored energy to heat your home reduces your conventional energy consumption.
Air quality and ventilation in new homes
New, energy-efficient homes need new solutions to circulate and ventilate the air inside the home.
Decoding building requirements
Learn about some of the changes for new homes built today. An expert highlights some of the things to consider when building a new home.
Geodesic domes
A geodesic design uses interconnected triangles to create a strong, environmentally friendly structure.
Roof and attic
Your roof and attic play the most crucial role in your home's energy efficiency system, reducing your energy costs during the winter and summer.
Green home construction
More builders are offering sustainable choices in new home construction. Find out what's available and how it impacts the earth and the bottom line.
Building an energy-smart house
Insulated concrete forms
An insulated concrete form (ICF) system eliminates the cold drafts typical of wood-frame construction.