When the temperatures rise and the apartment becomes a sauna, the temptation is obvious to resort to air conditioning. But it is also different and much more energy -saving. A simple trick with frozen water bottles is intended to help lower the room temperature. What sounds like an internet gag has substance physically. And in many cases it works better than you think.
What is behind the trick
Heat periods put living space on the test. The temperatures are stuck, especially in cities, and it hardly cools down at night. Those who have no air conditioning or consciously do without it are often dependent on simple means. The so-called bottle trick is one of the more popular variants: frozen PET bottles should help to cool rooms noticeably. The principle behind it is understandable. Ice needs energy to melt – this energy removes its surroundings. If the bottle is set up, the air cools down right around it. Heavy, colder air sinks down, warm air rises.
How well does it really work?
How much the temperature actually drops depends on several factors – such as the size of the room, insulation, the outside temperature and the amount of ice cream. According to a report by Merkur.de, a cooling of up to three degrees can be cooled in smaller rooms. This is not enough to lock the summer heat completely, but can make a difference – for example when falling asleep or working in the home office. In combination with a fan, the effect becomes more noticeable. The air volume that comes into contact with the cold bottle increases, and the cooler air is better distributed in the room. As FOCUS.de notes, this creates a provisional but functional cooling effect, and without high electricity costs.
Save electricity without loss of comfort
Climate systems are considered effective, but they drive up energy consumption. The bottle trick comes with a fraction of the electricity requirement. A freezer compartment also consumes energy, but the difference is clear compared to mobile air conditioners. The technology portal Tom’s Guide refers to the so -called “Cool Room” approach: instead of cooling entire apartments, a single room is specifically prepared – with darkening, fan and bottle trick. This saves electricity and specifically ensures relief where it is most needed.
Even more effective with simple means
If you focus on a room, you can combine the bottle trick well with other measures. A well thought -out ventilation strategy, for example, makes a big difference: When all windows and shutters remain closed during the day, the interior heats up much more slowly. In the evening or in the early morning, when it is cooler outside, it should then be ventilated vigorously.
Moist towels in front of open windows or fans can also help. The resulting evaporation cold looks similar to sweating, according to the Woman & Home of the air, it deprives warmth. Another often underestimated factor are electrical devices. TVs, laptops, lamps and chargers handle constant warmth. Anyone who reduces or consciously uses them prevents additional heating of the room.
Editor finance.net