Hi dears I explain air conditioner blue star my friend using this ac last 3years so it is very exllent cooling prosses high performance full cooling home and it is wonderfull ac converter high pressure to low cooling pressure process is very nice full ac cooler before on ac very sweat but after ac on just with in a mint cool body it is very exllent ac converter so I recommended try this converter happy at home in the prosses is very exllent good converter please use this device bedroom highly performance it’s very very exllent blue star converter so please use this .awsm u feel like georgious