1. A heat exchanger comprising: a chamber adapted to contain a first composition and a certain amount of air, the conduit disposed within the chamber and configured to hold a second composition a sensor layer disposed within the chamber and configured to maintain a predetermined amount of a first composition within the chamber, wherein the first predetermined quantity of the composition corresponds to the first composition comprises from about 75% to about 95% of the height kamery.2. Heat exchanger according to Claim. 1, wherein the level of the first composition ranges from about 80% to about 90% of the height kamery.3. Heat exchanger according to Claim. 1, wherein air occupies from about 5% to about 35% of the total internal volume kamery.4. . The heat exchanger according to claim 1, wherein the level sensor is at least one of: a capacitive level sensor, a grounded level sensor, radar directed radar, an ultrasonic sensor, hydrostatic pressure, differential pressure sensor, and a radiometric detector kombinatsii.5. Heat exchanger according to Claim. 1, which is aseptic holodilnikom.6. Heat exchanger according to Claim. 1, wherein the first refrigerant composition is a food grade selected from the group consisting of water, propylene glycol, ethylene glycol, salt brine, synthetic hydrocarbon-based chemicals from a family polyalphaolefin purified refrigerant based on plant extracts and their kombinatsii.7. Heat exchanger according to Claim. 1, wherein the second composition is a food produktom.8. Heat exchanger according to Claim. 1, wherein the second composition comprises kusochki.9. heat exchange1. Теплообменник, содержащий:камеру, выполненную с возможностью содержания первой композиции и некоторого количества воздухатрубопровод, расположенный внутри камеры и выполненный с возможностью содержания второй композиции идатчик уровня, расположенный внутри камеры и выполненный с возможностью поддержания заданного количества первой композиции внутри камеры, в котором зад
