Energy-Efficient Home Improvements for Every Budget

It's easy to give homeowners tips on home improvements that increase energy efficiency -- without considering the budgets available to different homeowners. On an individual, national, and international level, there can be no green revolution without a cost-effective strategy. As a homeowner, you need to devote a reasonable portion of your annual income to energy-efficient home improvements, but it need not be an oppressive weight on your finances. Take a look at these simple and effective three-step strategies for budgets of all sizes.

Here are ideas for energy-efficient home improvement at the $500, $1,000, $5,000 and $25,000 levels: