Altern. energy

One of the serious drawbacks of installing air solar collectors is that for supplying hot air from them to the room, it is necessary to make holes in the wall of the house. therefore

The author of this collector model did not want to make complex communications from pipes for heating indoor air. However, he was interested in the idea of ​​using air solar collectors. Therefore he

The author of this air collector set the main goal of saving on heating a house in the spring and autumn. Considering that if you focus on the combination of the collector with the exterior of the house and do it

It is necessary to install an air solar collector from the south side of the house. This is its main drawback, since it is difficult to make such an air collector that would fit under

Probably almost everyone in childhood burned inscriptions and drawings on a tablet or tried to make a fire with a magnifying glass. As you know, this is possible due to the fact that the magnifying

Probably many are very skeptical about the possibility of cooking in a solar oven. For most people, the very possibility of cooking using solar

Making a solar furnace out of cardboard is the cheapest and easiest option for such designs. Such solar ovens are lightweight, easy to fold and take up little space. Therefore similar

I already wrote an article on how to make a parabolic solar furnace based on a satellite dish.Such a furnace showed excellent performance and efficiency. However, not everyone has unnecessary

Another example of the use of solar energy for cooking. This time, the author decided to make a solar furnace with a wooden structure in order to feel the full benefit of using

People who harvest dried vegetables, fruits, nuts, herbs, seeds and other things know how complicated this process is. It’s not enough just to lay out the supplies on a baking sheet and wait until they are

Another interesting model of a dryer for vegetables and fruits based on solar energy. This dryer is different from what was described in the previous article, a more improved convention and the fact that in

Dehydrator means dehydrator, i.e. this device is designed to dry fruits and vegetables. Also using a dehydrator to prepare various raw food dishes, in

To make useful things with the proper approach is possible from almost any material. The author decided to prove this by creating a solar furnace from mud, clay and straw. At the same time, a decent

Vertical wind turbines are gaining more and more popularity. The main advantages of the vertical design is the good efficiency and reliability of the product. Also,