Method and installation for ventilating a number of rooms in a building.
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Cooling method of air supplied to ventilation space in building, involves bringing supply air into indirect heat-exchanging contact with discharge air leaving from space
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Method and apparatus for cooling ventilation air to be supplied to a space
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Ventilation device for at least one room in building has housing on building exterior with at least one suction aperture and at least one blow-out aperture
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Cooled installation is for conversion of solar radiation into electrical energy and comprises frame supporting conversion components and devices for their cooling
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Installation for ventilating building comprises housing with aperture connected to building interior and aperture connected with ambiance, together with fan and drive in housing between apertures
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Building with surveillance means for monitoring ventilation and flue gases.
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Heat exchanger system.
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High efficiency heat exchanger for space heating system