almost-free-heating

9 лет назад

This video demonstrates how to modify an electric dryer to create a DIY energy-saving system. The process involves drilling holes in the dryer's vent and attaching a water-filled container to capture lint and add moisture to the air. The video highlights the potential benefits of this system, particularly during winter when the air is dry.

4 года назад

This video shows how a person heats their home using a wood boiler system. The system uses wood from their own property to heat water, which is then circulated throughout the house. The video highlights the benefits of using a wood boiler, including its efficiency and the ability to heat the home without relying on electricity or oil.

2 года назад

This video explores the potential of passive cooling using specialized coatings to reject heat without electricity. The presenter explains the principles behind this technology, including the relationship between temperature and radiation, and the importance of emissivity. They then demonstrate the construction of a large-scale heat exchanger and test its ability to cool water below ambient temperature under a clear sky.