Self-Sufficient Living: Inside Hamburg's Passive Housing

The video discusses the characteristics of passive buildings, which are designed to be energy-efficient by consuming no more than 15 kilowatt hours per square meter annually. These buildings utilize geothermic and solar energy, making them self-sufficient. However, the technology required for passive buildings can be costly, offsetting some of the savings. The video also highlights the use of technology, such as an iPad, to manage energy consumption effectively, leading to reduced costs compared to traditional living spaces.

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