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.
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.
Energy efficient kitchen remodel
This kitchen remodel features a new window, energy-efficient lighting, new appliances and side-wall insulation.
Insulated concrete forms
An insulated concrete form (ICF) system eliminates the cold drafts typical of wood-frame construction.
Turning a barn into an energy-smart home
Geodesic domes
A geodesic design uses interconnected triangles to create a strong, environmentally friendly structure.
Framing options
You have energy efficient and sustainable options when it comes to framing your new home.
New home comfort issues
Net Zero Community
Check out a new neighborhood concept and see how one builder is changing the way homes are built with a goal to use zero energy.