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There are two reasons. First the engine is running faster. The AC works by compressing the coolant gas (which heats it up), letting it cool outside the car, then letting it expand (which makes it cool) and letting it absorb heat from inside the car. The compression of the gas takes a lot of force, and that force is coming from your engine itself. Running the engine at a higher RPM gives more available energy to push that "heat cycle" along. The second reason is this: The coolent, once it is compressed and hot, must give up it's heat to the outside air. (There is nowhere else to give it!) The coolent goes through coils to help this, but it's just like any other hot object--it will cool faster if there is air blowing over it. The motion of the car helps provide this aitflow. This is why you AC works best when the car is running. It will work even better when the air is below zero--although you probably won't need it then. :)
What else can I help you with?
Why does your Ford F150 air conditioner blow hot air while driving but air is cold while idling?
Do you have the recycle air button turned off? If you do you would be sucking in hot air when you are moving but when you stop the outside air stops flowing into the air conditioner and it gets a chance to get cooler air from inside the cab and cool it more. Make sure your recycle button is lit on the dash. This closes off the outside air and just recycles the cooler air from inside the cab.
Why do your car jerk while driving when you run the air conditioner and when its not running?
the air conditioner shouldn't have anything to do with it. there could be a problem with your tires or your driving or your kid could be jumping on the seat
Does using an automobile air conditioner while driving increase fuel consumption?
yes
Why would a pt cruiser start to stall when the air conditioner is turned on while driving?
Bc is not enough air in the intake....
Why do they call it an air conditioner and not an air cooler?
The term "air conditioner" is used because it both cools and dehumidifies the air. It not only reduces the temperature but also controls the humidity levels in the air, hence the term "air conditioner". "Air cooler" might imply just reducing temperature without the dehumidifying function.
When is it advisable to run the air conditioner with the windows open, especially when the temperature outside is cooler?
It is not advisable to run the air conditioner with the windows open, even when the outside temperature is cooler. This can waste energy and reduce the efficiency of the air conditioner. It is more efficient to keep windows closed when using the air conditioner to maintain a consistent temperature inside.
What is diff between air cooler and air conditioner?
An "air cooler" or "evaporative cooler" cools air by evaporating water. The evaporation process is endothermic and therefore the temperature of the air drops. However, the relative humidity level of the air goes up. This is a common method of cooling air in very dry climates. An air conditioner cools air through a heat exchanger and does not increase the relative humidity of the air.
Can you put ice in a portable air conditioner?
No, you can not put ice into a portable air conditioner. I think you are actually referring to a portable air cooler, in which case, you can put ice into the water chamber.
What is the function of an air conditioner in regulating the temperature of a room?
An air conditioner regulates the temperature of a room by removing heat from the air inside and releasing it outside, resulting in a cooler indoor environment.
Is it OK use both air conditioner and evaporative cooler at the same time?
why wouldn't it be?
How does an air conditioner work to cool down a room?
An air conditioner cools down a room by taking in warm air, removing the heat from it using a refrigerant, and then blowing out cooler air into the room. The refrigerant absorbs the heat from the air inside the unit, then releases it outside, resulting in a cooler indoor temperature.
Why are there water droplets form on the window of an air-conditioner bus?
The interior of the bus is cooler than outside the bus because of the air conditioner. Water vapour outside in the air touches the cooler surface of the window of the bus and condenses to form water droplets on the window.
