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June 7, 1973, PHOENIX, Poge 7The national energy crisis that everyone%u2019s talking about is here. Right here in your home.Air conditioners account for about 40% of the electricity used in peak summer hours.It takes fuel to make all that electricity and, as you know, the shortage of fuel is at the heart of the energy crisis. Whether you already own an air conditioner or plan to buy one, you can help save energy.. .and save money, too.Aar conditioner buyersYou have to be an extra smart shopper this summer. Keep in mind the fact that the most efficient air conditioners will give you more cool with less electricity.So buy the most efficient air conditioner you can find. Insist on knowing the Energy Efficiency Rating of the model you%u2019re interested in. If the rating number is not displayed and if the salesman doesn%u2019t know it, compute it yourself.Divide the watts into|BTU'S = e e r |.watts i/The resulting number should be between 5 and 12. The higher the number the better.Of course, more efficient models cost more.But don%u2019t be disheartened.They cost much less to operate. Suppose you spent $45 more for an efficient 10,000 BTU room-size unit. Yom/^ould save the $45 on your electric^ bills in one summer of normal use.WAnd continue saving money summer after / / summer. (You%u2019ll also save about 100 gallons of//oil that would have been used by a lessflefficient air conditioner.) About 250,000 air |Jconditioners will be purchased this summer inllCon Edison%u2019s service area.Efficient air conditioners save watts and saving watts is essential to cope with the energy crisis.A ir conditioner ownersAir conditioners are the single greatest users of electricity during peak summer hours.So using them wisely is very important.Here%u2019s an extreme case of misuse: Suppose you ran one room-size air conditioner night and day all summer long. You would be using approximately 430 gallons of oil to provide the necessary electricity compared to 130 gallons needed for normal operation. In other words, you could waste up to 300 gallons of oil, not to mention $135.00 extra on your electric bill.Your air conditioner has a direct impact on the energy crisis. That%u2019s why Con Edison again urges you to use your air conditioner wisely...and offers these watt-saving suggestions:the BTU%u2019sDon%u2019t leave your air conditioner turned on when no one is home. Avoid using the coldest settings. Use shades and blinds to keep out the hot sun.It%u2019s now national policy to conserve energy. So Save-A-Watt. Save as many watts as you can to help your countryand to save money, too. grjj< conserveenergysave-a-watt* Money and oil savings vary with the size air conditioner and its efficiency.