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August 10, 2009

Keeping Your Car Cool When the Heat is On

Temperature_gauge_artistic2 It is one of those 90-plus-degree days, hot, hazy and humid. Isn't it great to be able to get in your vehicle and enjoy the comfort your air conditioning system provides for you and your passengers?  

The Mobile Air Conditioning Society (MACS) Worldwide wants all car owners to understand how their vehicle's air conditioning system works, be able to recognize problems and optimize performance so they can enjoy maximum comfort while driving.  

 Tips to achieve the quickest interior cool-down:  

  • Hvac_shiny_2If possible, leave the windows down slightly on hot sunny days. Temperatures in a closed car can exceed 140 degrees. An A/C system works by removing heat, so the cooler the interior is to start with, the easier and faster the A/C will do its job.   When you first get in the car, roll all the windows completely down, or even better, open the doors for a short period of time. This helps the hot interior air escape quickly.  
  • Ac_knobs When you first turn the A/C on, set the controls to "MAX" and/or "REC", and use highest blower speed. This moves the greatest volume of air, re-circulates cooling air for even faster cool-down, and prevents hot outside air from entering.  As soon as you are comfortable, switch the system to "NORM" or "OUTSIDE", and select a lower fan speed. The lower the blower speed, the colder the air from the system.  
  • Applying window tint can help reduce interior temperatures. The tint does not have to be dark to reflect sunlight---- some tints have a metallic substance within them for this purpose.  Always check your local and state regulations; window tinting products may not be legal in some states or municipalities.  

Macs2-1 The Mobile Air Conditioning Society advises all consumers to take their vehicle air conditioning problems to a professional service facility that is certified in proper refrigerant recovery, recycling and recharging methods.      (Photo left: A service technician checks a mobile A/C system for leaks.)

To learn more about your vehicle's air conditioning system, contact the Mobile Air Conditioning Society (MACS) Worldwide for an informative 32-page consumer booklet, Getting to Know...Your Car's Air Conditioning and Engine Cooling System. E-mail, call 215/631-7020 x 304 or fax your request to 215/631-7017. Visit the MACS Worldwide website at .  

Sponsor Information
Mobile Air Conditioning Society Worldwide
P.O. Box 88
Lansdale, PA 19446
Phone: 215-631-7017

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