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.
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Energy efficient kitchen remodel
This kitchen remodel features a new window, energy-efficient lighting, new appliances and side-wall insulation.
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.
Building an energy-smart house
Structural insulated panels
Structural insulated panels, also called SIPs, foam-core panels or stress-skin panels, are significantly more airtight than stud walls.
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.
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.
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.