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Air-blending heating system

Air-blending heating system Matrix Fan Air in Demister Interior Mixing flap

In an air-blending heater the matrix is at a constant temperature - warm air from it is mixed with cool air as temperature-controlled flaps open and close.

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    How car heating and ventilation systems work

    Modern cars are designed to have a constant through-flow of fresh air that keeps the interior atmosphere pleasant even with all the windows shut. The incoming air can be heated by the engine to keep the windows clear of mist and the car interior at a chosen temperature. Read more

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