Trombe wall
Using the sun's stored energy to heat your home reduces your conventional energy consumption.
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
Energy efficient kitchen remodel
This kitchen remodel features a new window, energy-efficient lighting, new appliances and side-wall insulation.
Finding an energy-smart builder
An energy-smart builder will help you make the right choices for your family and lifestyle.
Habitat for Humanity
Habitat for Humanity is an organization that provides simple, sturdy homes. Learn how energy efficiency is a key factor in building these homes.
Geodesic domes
A geodesic design uses interconnected triangles to create a strong, environmentally friendly structure.
Aging in place
New home comfort issues
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.