Historic preservation
A preservation expert shares how to restore an older home economically and energy efficiently.
Air quality and ventilation in new homes
New, energy-efficient homes need new solutions to circulate and ventilate the air inside the home.
In newer homes, energy-efficient building practices are used to avoid drafts, but these air tight homes can result in uncomfortable air quality and ventilation.
See our Air Quality section for more information.
In this video: An industry expert discusses green technologies that improve air quality in new construction.
More from this category
New home comfort issues
Energy rater and performance consultant
An energy rater can help make your new home more energy-efficient through every stage of the construction process.
Insulated concrete forms
An insulated concrete form (ICF) system eliminates the cold drafts typical of wood-frame construction.
Trombe wall
Using the sun's stored energy to heat your home reduces your conventional energy consumption.
Geodesic domes
A geodesic design uses interconnected triangles to create a strong, environmentally friendly structure.
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.
Modular homes
Modular homes are built in a factory under controlled conditions, then shipped to the homesite and placed on a permanent foundation.
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.