Keeping your air conditioning running efficiently could save you hundreds of dollars every summer, but knowing when to call the repairman to get a tune-up or repair might seem more difficult than it actually is. This handy technique can save you from days or even weeks of wondering whether or not your air conditioner is working as well as it should be. Find a Thermometer and Paper The first step of this process is to get a piece of paper and find a thermometer. The piece of paper can be from a notepad or a piece of printer paper: basically,
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