The homes of the future will come with remarkably low heating bills. At least that's the hope of a Portland-based nonprofit group showcasing 13 super-energy efficient homes in four Northwest states. The question is: can you afford to buy one of these houses?
The model homes are scattered among many of the big cities in Oregon, Washington, Idaho, and Montana. The houses don't look unusual from the outside. But all have been designed to use at least 30 percent less energy.
