Perhaps you have ever heard that the government will help you or give you some kind of incentives if you use or install environmentally friendly or sustainable or green products in your home. You plan to upgrade your house and make it "green". You don't know the benefits that you will get from government, thus you get confuse on what kind of green technology that you need to use.
Now you can get the information that you need. North Carolina State University has run an excellent website that gives you useful information on this issue. You can visit the website here: DSIRE: Database of State Incentives for Renewables & Efficiency. It offers a comprehensive source of information on state, local, utility, and federal incentives that promote renewable energy and energy efficiency.
Therefore, if you want to make your house "green" and at the same time make use these government incentives, don't forget to visit DSIRE website first.