Dear Customer - Upon placing an order for this item, you may receive a product with model no. 183 SY/183 JY. These are same models made by Voltas in different factories Installation: For requesting an installation/demo for this product once delivered, please call Voltas support directly on 18004254555 and provide the product's model name Split AC; 1.5 tons Energy Rating: 3 Star Rating 1 year warranty on product; 5 years warranty on compressor Features: Sleep mode, turbo, swing, LCD remote, lock, timer, fungus proof, glow buttons and dual temperature display The compressor run hour is considered as 70 percentage of the total hours which effectively means the AC runs for 5 hours and 36 minutes per day http://www.amazon.in/Voltas-183-SY-...bps_img_s-4_6027_384e13e0&smid=A14UQ4H17XUX90