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.

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Historic preservation

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

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New home comfort issues

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Our four-part series explores how to handle comfort issues in a new home.

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Building an energy-smart house

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Hear from real homeowners and builders who made energy efficiency a priority.

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Structural insulated panels

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

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Roof and attic

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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.

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Turning a barn into an energy-smart home

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

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Modular homes

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

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Talk to your utilities

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

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Habitat for Humanity

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

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