Passive house design has become quite popular in Germany. Passive house is basically a house that uses a variety of methods to achieve very low energy usage. Common techniques that are often used in passive homes include having windows facing the sun, superinsulation, and airtight construction. Below example of passive house that has been designed by German company WeberHaus. These house can use up to 90% less energy than a conventional house. Check out WeberHaus to learn more. via
