Modular homes
Modular homes are built in a factory under controlled conditions, then shipped to the homesite and placed on a permanent foundation.
Historic preservation
Older homes can benefit from energy efficient remodeling techniques.
In this video: A preservation expert shares how to restore an older home economically and energy efficiently.
More from this category
Finding an energy-smart builder
An energy-smart builder will help you make the right choices for your family and lifestyle.
Building an energy-smart house
Trombe wall
Using the sun's stored energy to heat your home reduces your conventional energy consumption.
Talk to your utilities
Before you break ground on a new house, give your utility companies a call. They can help you avoid unnecessary expenses and construction delays.
Insulated concrete forms
An insulated concrete form (ICF) system eliminates the cold drafts typical of wood-frame construction.
Air quality and ventilation in new homes
New, energy-efficient homes need new solutions to circulate and ventilate the air inside the home.
Choosing energy-smart products
When building your new home, don't forget about the importance of energy-conserving products like furnaces, air conditioners and appliances.
Structural insulated panels
Structural insulated panels, also called SIPs, foam-core panels or stress-skin panels, are significantly more airtight than stud walls.