How to storage apples and pears to keep them longer fresh?

How to storage apples and pears to keep them longer fresh?

Traditional chiller room can keep apples and pears  fresh within 4-6 months under temperature -2~0 ℃,humidity 85%-90%, but pls note the Evaporator fin space at least 8MM.  With a controlled atmosphere room, can keep them fresh longer to 8-12 months. 

A controlled atmosphere is an agricultural storage method in which the concentrations of oxygen, carbon dioxide and nitrogen, as well as the temperature and humidity of a storage room are regulated. Both dry commodities and fresh fruit and vegetables can be stored in controlled atmospheres. In controlled atmosphere room conditions is: room temperature -0.5-1℃,humidity 90%-95%,O2:2%-5%, CO2:3%-5%. Controlled room can inhibite fruits's biological respiration,reduce nutrient loss and pathogen.