Just what is auto air conditioning?

By Mike Yeager | Open Tips
There was a time when auto air conditioning was considered an extra! Judging from the time we spend on the road these days, it's no wonder that auto air conditioning is now more of a necessity. Auto air conditioning adds to the comfort of a car's passengers, but there's much more value to it than that. Auto air conditioning contributes to safe driving. On the road there are numerous occasions that require the driver's full attention. On sweltering hot days in heavy traffic, auto air conditioning can help the driver maintain his composure, and so aid in avoiding accidents.


The mechanics involved in auto air conditioning are complex. For those interested in learning how the thermodynamics works, the auto air conditioning in cars works under the same principles as any refrigeration unit. Refrigerant R-134a is used to transfer heat from the inside of the car to the outside, through either a thermostatic expansion valve, or the cycling clutch orifice tube. Older models designed to use Freon-12 are still around, but owners are being encouraged to switch them to R-134s, because of the decline in Freon availability. R-134 gives satisfactory performance, although it doesn't cool as well as Freon. Auto air conditioning is built in and around the engine of the car, so upkeep should be handled by a professional.

Resources:

If you want to buy a car part, try to search for one at Cheap Car Parts. If you want more tips on car buying, you should try Apmart's Car Buying Tips from Cheap Cars for Sale. If you want to buy a used car, try to search for one at Apmart's Cheap Used Cars for Sale. Especially you should look at Cheap Used Cars Under $4000 and Cheap Used Cars Under $5000. You often can get a functional car for that cheap. Don't forget to look at the Most Popular Cars to get an idea of what other people are buying. In case you don't want used car I suggest having a look at the Cheap New Cars.

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