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Reply to "The A/C on a hot day"
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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Does your A/C work well even on a hot day? I don't know if something is wrong with our A/C because the temparature inside the house is 76, or it is just what you expect on a hot day like this. Our A/C has been working fine except on a super hot day.[/quote] Your AC is generally only capable of reducing temps by a max of 20 degrees below what is outside.[/quote] This is not true. The industry standard -- and required by code in 26 states -- is to size equipment according to Manual J of the Air Conditioning Contractors of America. The manual specifies that equipment be sized to keep the inside at 75F when it is the "design temperature" outside. Design temperature by county can be found in this document: https://www.energystar.gov/ia/partners/bldrs_lenders_raters/downloads/County%20Level%20Design%20Temperature%20Reference%20Guide%20-%202015-06-24.pdf Design temperature for the District of Columbia is 92F. [/quote]
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