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Originally Posted by jsummerlin48  If you look up SEER rating, which is seasonal energy efficiency rating you will find that a 18 SEER is much more efficient than a 13. Now that said, the A/C will run a lot less often also which increases the life of the unit. The A/C contractor has to install all new everything to make a high end unit work to it's proper efficiency. The unit will be moving more freon, more air through the duct and costing a whole lot less to operate. All these years you have never heard one electric company say anything about SEER rating. Hmmm they really didn't want you to know. As recently as 2006 builders were still putting in 10 Seer units. I would love to have a 18 Seer at my house. What this all ends up to is now you can buy a A/C unit twice as effeceint as your old unit. This is a one time payment for this high grade unit and you can bet the electricity price will still be going up and up, so which one do you want to be paying the future bill on when the price of electricity doubles? |
Ac will run the same amount or even longer if it is a two stage equipment. There will be the same amount of air because the fan is still sized the same.