{ "item_title" : "Technical Note 1667", "item_author" : [" U. S. Department of Commerce "], "item_description" : "A linear fit method of rating residential-type air conditioning systems was evaluated based on performance predictions and laboratory testing of one two-speed matched system and two mixed systems (matched two-speed condensing unit, matched indoor coil blower, and two mixed coil blowers). The individual evaporators and the condensing unit were seperately tested using water heated/cooled condensing/evaporating units over a range of evaporator refrigerant saturation temperatures, evaporator superheats, and liquid refrigerant temperatures.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/49/599/280/1495992802_b.jpg", "price_data" : { "retail_price" : "16.99", "online_price" : "16.99", "our_price" : "16.99", "club_price" : "16.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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