FRESH AIR ALL YEAR ROUND

FRESH AIR all YEAR RoundIf the room is stuffy, just open the window. Well, if it’s cold — tightly close it. To do the same so that the air in the room was always warm and fresh, is almost impossible. Even stylistically it’s hard to put those words together — warm and fresh. As for the style, this irreconcilability is still possible to reconcile. But the issue is much more serious: the process of ventilation of the room is a heated the space around us. Judge for yourself: opening the window, we issued into the street the hot air and let in the room chilled. Then the window is closed, the cold outdoor air is heated to room temperature… But by that time the room becomes stuffy again, and again we open the window!

And is it possible, releasing warm air outside, away from his warmth and warm at the same time entering into the room the cold air? Of course, you can. For this purpose there are special devices-heat exchangers. True, no one yet thought of using these devices to save fuel. I think, however, that the owners of private houses who have to heat their homes for “real” money, are interested in a simple device that allows you in winter to effectively ventilate the room, while not Victoria it.
 
We offer our readers a simple heat exchanger, whose design allows you to position it in the window opening, and in a specially provided niche.
The apparatus has no moving parts and is assembled from readily available materials. The principle of operation is simple. The part that is outside and has an input (intake) and outlet openings. The air flow moving along the walls of the house, gets into the intake, and then directed by the baffles to the room, creating within a certain excess pressure. At the same time the outlets of the heat exchanger creates a vacuum and air from the room rushes at him on the street.
 
It should be noted that the channels through which cold air enters the room, and the channels through which warm air is discharged outside, interspersed, so that streams of warm and cold air move towards each other, separated only by thin plates of aluminum — a metal with high conductivity. When this cold air is heated, respectively, cooling warm.
 
Diagram of the heat exchanger
 
Diagram of the heat exchanger.
 
Heat exchanger
 
The Assembly of the heat exchanger:
 
1,3 — spacer-plate, 2 — stud M5, 4 — plate heat exchanger (aluminum, s0,5), 5 — washer 6 — nut M5.
 
Configuration even (A) odd n (B) channels of the heat exchanger

 
Configuration even (A) odd n (B) channels of the heat exchanger.
 
Heat exchanger Assembly
 
The heat exchanger Assembly.
 
Installing the heat exchanger in the window opening
 
The installation of the heat exchanger in the window opening.
 
Heat exchanger this design works well in “one-sided” apartments where all the Windows overlook one side of the house. The fact that “bilateral” apartments almost always there is a flow of air from one side of the house to the other through the tightly closed Windows, or cracks in staklenih the Windows, so the heat exchanger will operate as a conventional window.
The design of the device simple. It will require from 40 to 100 plates cut out of sheet aluminum with a thickness of 0.5 mm. assembled with four threaded M5 studs, nuts and washers. With street-side heat exchanger is closed with cover made of any sheet material, room — doors, closing the intake and outlet openings.

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