Comments on: If your air condition is in 90 degree weather for 5 hours before running with the sun beating down on it? http://topairconditioning.com/air-condition-units/if-your-air-condition-is-in-90-degree-weather-for-5-hours-before-running-with-the-sun-beating-down-on-it/112/ The cool site on air condition units... Sun, 03 Jul 2011 19:06:16 +0000 hourly 1 http://wordpress.org/?v=3.1.3 By: Peter http://topairconditioning.com/air-condition-units/if-your-air-condition-is-in-90-degree-weather-for-5-hours-before-running-with-the-sun-beating-down-on-it/112/comment-page-1/#comment-261 Peter Sat, 28 Mar 2009 09:24:24 +0000 http://topairconditioning.com/air-condition-units/if-your-air-condition-is-in-90-degree-weather-for-5-hours-before-running-with-the-sun-beating-down-on-it/112/#comment-261 <a href="">Efren</a> It could be that the AC you're using is undersized at 90 degrees but OK at 78. It also depends on how much exposure to the sun you have in that particular room. The ice build-up is probably due to low freon, or a clogged filter screen. Remove the screens (front of the unit) and clean them at least weekly. You'll be amazed at the improvement in performance AND the lower electric bill. Efren

It could be that the AC you’re using is undersized at 90 degrees but OK at 78. It also depends on how much exposure to the sun you have in that particular room. The ice build-up is probably due to low freon, or a clogged filter screen. Remove the screens (front of the unit) and clean them at least weekly. You’ll be amazed at the improvement in performance AND the lower electric bill.

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