New air conditioner offers, electricity saving, with replacement of the old one. The difference is 850 and depends on the company and size. Window air conditioners Z-Dress AC, size 24, difference 1250 Z-Dress AC, size 18, difference 850 Istinghaus AC, size 18, difference 900 Fischer window AC, size 18, difference 850 Basic AC, size 18, difference 850 Escar AC, size 18, difference 850 W.Bix AC, size 18, difference 800 Kelon AC, size 18, difference 850 Gree AC, size 18, difference 1150 Gree AC, size 24, difference 1600 7 years warranty, five years compressor, and two years Includes free delivery and installation within Mecca Call (phone number appears when you press the contact button)