free-heat

7 лет назад

The video shows a solar heater built by the creator six years ago. The heater is made from a corrugated panel with aluminum air bottles and uses 12-volt fans to circulate air. The creator explains the design and materials used, and shows pictures of the construction process.

3 года назад

This video demonstrates how to use Crisco candles to heat a room during a power outage. The creator tests the effectiveness of this method over nine hours, monitoring the room temperature and safety precautions. They also address concerns about the safety of using Crisco candles and provide tips for building and using them safely.

2 месяца назад

This video demonstrates how to build a solar-powered sand heater using simple components like solar panels and a heating element. The creator tests the setup, measuring the temperature of the sand and the efficiency of the system. They also discuss the potential for using this as an emergency heat source.