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

Modular homes

Modular home assembly in a factory

Modular homes are built in a factory under controlled conditions, then shipped to the homesite and placed on a permanent foundation.

learn more

Trombe wall

Trombe wall on the interior of a home

Using the sun's stored energy to heat your home reduces your conventional energy consumption.

learn more

Talk to your utilities

Utility worker with an electric meter

Before you break ground on a new house, give your utility companies a call. They can help you avoid unnecessary expenses and construction delays.

learn more

Geodesic domes

Geodesic dome home

A geodesic design uses interconnected triangles to create a strong, environmentally friendly structure.

learn more

Structural insulated panels

Cross section of a structural insulated panel

Structural insulated panels, also called SIPs, foam-core panels or stress-skin panels, are significantly more airtight than stud walls.

learn more

Habitat for Humanity

Volunteers joining hands

Habitat for Humanity is an organization that provides simple, sturdy homes. Learn how energy efficiency is a key factor in building these homes.

learn more

Insulated concrete forms

Insulated concrete forms in the ground

An insulated concrete form (ICF) system eliminates the cold drafts typical of wood-frame construction.

learn more

Historic preservation

Boy and grandmother on front porch

A preservation expert shares how to restore an older home economically and energy efficiently.

learn more

Turning a barn into an energy-smart home

Megan standing in front of the barn home

A century-old barn gets the ultimate makeover - with lots of energy-smart technology.

learn more