Panasonic is worlds top selling most favourable brand.its make products are working very likeful .now im sharing my experience on panasoanic ac 2 ton.single ton is 1000 kilogram.now comming to ac is 2 ton .come to silent working compressor.compressed to two ton capacity compressed neon gas.it is covered to the 2000 square feet surround, panasoanic service and support is so good.cooling more and sound is less.reliability satisfaction good.this brand is value for money.