Geodesic domes
A geodesic design uses interconnected triangles to create a strong, environmentally friendly structure.
Turning a barn into an energy-smart home
A century-old barn gets the ultimate makeover - with lots of energy-smart technology.
In this video: A contractor and homeowner share how they turned their vision for a barn house into a unique, energy efficient home.
More from this category
Insulated concrete forms
An insulated concrete form (ICF) system eliminates the cold drafts typical of wood-frame construction.
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.
Energy rater and performance consultant
An energy rater can help make your new home more energy-efficient through every stage of the construction process.
Historic preservation
A preservation expert shares how to restore an older home economically and energy efficiently.
Energy efficient kitchen remodel
This kitchen remodel features a new window, energy-efficient lighting, new appliances and side-wall insulation.
Building an energy-smart house
Trombe wall
Using the sun's stored energy to heat your home reduces your conventional energy consumption.
Finding an energy-smart builder
An energy-smart builder will help you make the right choices for your family and lifestyle.