The way that door and window products qualify for tax credits has changed. Here's what you need to know.
Tax credits can offset upgrades to energy-efficient metal and asphalt roofs.
Using energy audits to set priorities for the stimulus tax credit.
The ARRA's $1,500 tax credit can be applied, in theory, to a broad array of insulation and weatherization materials and methods that are primarily designed to reduce heat loss or gain.